Low Carbon Steel Expandable Tubular
A low carbon steel expandable tubular (10, 100, 200).
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This application claims the benefit of the filing date of U.S. provisional patent application Ser. No. 60/600,679, attorney docket number 25791.194, filed on Aug. 11, 2004, the disclosure which is incorporated herein by reference.
This application is a continuation-in-part of one or more of the following: (1) PCT application US02/04353, filed on Feb. 14, 2002, attorney docket no. 25791.50.02, which claims priority from U.S. provisional patent application Ser. No. 60/270,007, attorney docket no. 25791.50,-filed on Feb. 20, 2001; (2) PCT application US 03/00609, filed on Jan. 9, 2003, attorney docket no. 25791.71.02, which claims priority from U.S. provisional patent application Ser. No. 60/357,372, attorney docket no. 25791.71, filed on Feb. 15, 2002; and (3) U.S. provisional patent application Ser. No. 60/585,370, attorney docket number 25791.299, filed on Jul. 2, 2004, the disclosures of which are incorporated herein by reference.
This application is related to the following co-pending applications: (1) U.S. Pat. No. 6,497,289, which was filed as U.S. patent application Ser. No. 09/454,139, attorney docket no. 25791.03.02, filed on Dec. 3, 1999, which claims priority from provisional application 60/111,293, filed on Dec. 7, 1998, (2) U.S. patent application Ser. No. 09/510,913, attorney docket no. 25791.7.02, filed on Feb. 23, 2000, which claims priority from provisional application 60/121,702, filed on Feb. 25, 1999, (3) U.S. patent application Ser. No. 09/502,350, attorney docket no. 25791.8.02, filed on Feb. 10, 2000, which claims priority from provisional application 60/119,611, filed on Feb. 11, 1999, (4) U.S. Pat. No. 6,328,113, which was filed as U.S. patent application Ser. No. 09/440,338, attorney docket number 25791.9.02, filed on Nov. 15, 1999, which claims priority from provisional application 60/108,558, filed on Nov. 16, 1998, (5) U.S. patent application Ser. No. 10/169,434, attorney docket no. 25791.10.04, filed on Jul. 1, 2002, which claims priority from provisional application 60/183,546, filed on Feb. 18, 2000, (6) U.S. patent application Ser. No. 09/523,468, attorney docket no. 25791.11.02, filed on Mar. 10, 2000, which claims priority from provisional application 60/124,042, filed on Mar. 11, 1999, (7) U.S. Pat. No. 6,568,471, which was filed as patent application Ser. No. 09/512,895, attorney docket no. 25791.12.02, filed on Feb. 24, 2000, which claims priority from provisional application 60/121,841, filed on Feb. 26, 1999, (8) U.S. Pat. No. 6,575,240, which was filed as patent application Ser. No. 09/511,941, attorney docket no. 25791.16.02, filed on Feb. 24, 2000, which claims priority from provisional application 60/121,907, filed on Feb. 26, 1999, (9) U.S. Pat. No. 6,557,640, which was filed as patent application Ser. No. 09/588,946, attorney docket no. 25791.17.02, filed on Jun. 7, 2000, which claims priority from provisional application 60/137,998, filed on Jun. 7, 1999, (10) U.S. patent application Ser. No. 09/981,916, attorney docket no. 25791.18, filed on Oct. 18, 2001 as a continuation-in-part application of U.S. Pat. No. 6,328,113, which was filed as U.S. patent application Ser. No. 09/440,338, attorney docket number 25791.9.02, filed on Nov. 15, 1999, which claims priority from provisional application 60/108,558, filed on Nov. 16, 1998, (11) U.S. Pat. No. 6,604,763, which was filed as application Ser. No. 09/559,122, attorney docket no. 25791.23.02, filed on Apr. 26, 2000, which claims priority from provisional application 60/131,106, filed on Apr. 26, 1999, (12) U.S. patent application Ser. No. 10/030,593, attorney docket no. 25791.25.08, filed on Jan. 8, 2002, which claims priority from provisional application 60/146,203, filed on Jul. 29, 1999, (13) U.S. provisional patent application Ser. No. 60/143,039, attorney docket no. 25791.26, filed on Jul. 9, 1999, (14) U.S. patent application Ser. No. 10/1 11,982, attorney docket no. 25791.27.08, filed on Apr. 30, 2002, which claims priority from provisional patent application Ser. No. 60/162,671, attorney docket no. 25791.27, filed on Nov. 1, 1999, (15) U.S. provisional patent application Ser. No. 60/154,047, attorney docket no. 25791.29, filed on Sep. 16, 1999, (16) U.S. provisional patent application Ser. No. 60/438,828, attorney docket no. 25791.31, filed on Jan. 9, 2003, (17) U.S. Pat. No. 6,564,875, which was filed as application Ser. No. 09/679,907, attorney docket no. 25791.34.02, on Oct. 5, 2000, which claims priority from provisional patent application Ser. No. 60/159,082, attorney docket no. 25791.34, filed on Oct. 12, 1999, (18) U.S. patent application Ser. No. 10/089,419, filed on Mar. 27, 2002, attorney docket no. 25791.36.03, which claims priority from provisional patent application Ser. No. 60/159,039, attorney docket no. 25791.36, filed on Oct. 12, 1999, (19) U.S. patent application Ser. No. 09/679,906, filed on Oct. 5, 2000, attorney docket no. 25791.37.02, which claims priority from provisional patent application Ser. No. 60/159,033, attorney docket no. 25791.37, filed on Oct. 12, 1999, (20) U.S. patent application Ser. No. 10/303,992, filed on Nov. 22, 2002, attorney docket no. 25791.38.07, which claims priority from provisional patent application Ser. No. 60/212,359, attorney docket no. 25791.38, filed on Jun. 19, 2000, (21) U.S. provisional patent application Ser. No. 60/165,228, attorney docket no. 25791.39, filed on Nov. 12, 1999, (22) U.S. provisional patent application Ser. No. 60/455,051, attorney docket no. 25791.40, filed on Mar. 14, 2003, (23) PCT application US02/2477, filed on Jun. 26, 2002, attorney docket no. 25791.44.02, which claims priority from U.S. provisional patent application Ser. No. 60/303,711, attorney docket no. 25791.44, filed on Jul. 6, 2001, (24) U.S. patent application Ser. No. 10/311,412, filed on Dec. 12, 2002, attorney docket no. 25791.45.07, which claims priority from provisional patent application Ser. No. 60/221,443, attorney docket no. 25791.45, filed on Jul. 28, 2000, (25) U.S. patent application Ser. No. 10/______, filed on Dec. 18, 2002, attorney docket no. 25791.46.07, which claims priority from provisional patent application Ser. No. 60/221,645, attorney docket no. 25791.46, filed on Jul. 28, 2000, (26) U.S. patent application Ser. No. 10/322,947, filed on Jan. 22, 2003, attorney docket no. 25791.47.03, which claims priority from provisional patent application Ser. No. 60/233,638, attorney docket no. 25791.47, filed on Sep. 18, 2000, (27) U.S. patent application Ser. No. 10/406,648, filed on Mar. 31, 2003, attorney docket no. 25791.48.06, which claims priority from provisional patent application Ser. No. 60/237,334, attorney docket no. 25791.48, filed on Oct. 2, 2000, (28) PCT application US02/04353, filed on Feb. 14, 2002, attorney docket no. 25791.50.02, which claims priority from U.S. provisional patent application Ser. No. 60/270,007, attorney docket no. 25791.50, filed on Feb. 20, 2001, (29) U.S. patent application Ser. No. 10/465,835, filed on Jun. 13, 2003, attorney docket no. 25791.51.06, which claims priority from provisional patent application Ser. No. 60/262,434, attorney docket no. 25791.51, filed on Jan. 17, 2001, (30) U.S. patent application Ser. No. 10/465,831, filed on Jun. 13, 2003, attorney docket no. 25791.52.06, which claims priority from U.S. provisional patent application Ser. No. 60/259,486, attorney docket no. 25791.52, filed on Jan. 3, 2001, (31) U.S. provisional patent application Ser. No. 60/452,303, filed on Mar. 5, 2003, attorney docket no. 25791.53, (32) U.S. Pat. No. 6,470,966, which was filed as patent application Ser. No. 09/850,093, filed on May. 7, 2001, attorney docket no. 25791.55, as a divisional application of U.S. Pat. No. 6,497,289, which was filed as U.S. patent application Ser. No. 09/454,139, attorney docket no. 25791.03.02, filed on Dec. 3, 1999, which claims priority from provisional application 60/111,293, filed on Dec. 7, 1998, (33) U.S. Pat. No. 6,561,227, which was filed as patent application Ser. No. 09/852,026, filed on May. 9, 2001, attorney docket no. 25791.56, as a divisional application of U.S. Pat. No. 6,497,289, which was filed as U.S. patent application Ser. No. 09/454,139, attorney docket no. 25791.03.02, filed on Dec. 3, 1999, which claims priority from provisional application 60/111,293, filed on Dec. 7, 1998, (34) U.S. patent application Ser. No. 09/852,027, filed on May 9, 2001, attorney docket no. 25791.57, as a divisional application of U.S. Pat. No. 6,497,289, which was filed as U.S. patent application Ser. No. 09/454,139, attorney docket no. 25791.03.02, filed on Dec. 3, 1999, which claims priority from provisional application 60/111,293, filed on Dec. 7, 1998, (35) PCT Application US02/25608, attorney docket no. 25791.58.02, filed on Aug. 13, 2002, which claims priority from provisional application 60/318,021, filed on Sep. 7, 2001, attorney docket no. 25791.58, (36) PCT Application US02/24399, attorney docket no. 25791.59.02, filed on Aug. 1, 2002, which claims priority from U.S. provisional patent application Ser. No. 60/313,453, attorney docket no. 25791.59, filed on Aug. 20, 2001, (37) PCT Application US02/29856, attorney docket no. 25791.60.02, filed on Sep. 19, 2002, which claims priority from U.S. provisional patent application Ser. No. 60/326,886, attorney docket no. 25791.60, filed on Oct. 3, 2001, (38) PCT Application US02/20256, attorney docket no. 25791.61.02, filed on Jun. 26, 2002, which claims priority from U.S. provisional patent application Ser. No. 60/303,740, attorney docket no. 25791.61, filed on Jul. 6, 2001, (39) U.S. patent application Ser. No. 09/962,469, filed on Sep. 25, 2001, attorney docket no. 25791.62, which is a divisional of U.S. patent application Ser. No. 09/523,468, attorney docket no. 25791.11.02, filed on Mar. 10, 2000, which claims priority from provisional application 60/124,042, filed on Mar. 11, 1999, (40) U.S. patent application Ser. No. 09/962,470, filed on Sep. 25, 2001, attorney docket no. 25791.63, which is a divisional of U.S. patent application Ser. No. 09/523,468, attorney docket no. 25791.11.02, filed on Mar. 10, 2000, which claims priority from provisional application 60/124,042, filed on Mar. 11, 1999, (41) U.S. patent application Ser. No. 09/962,471, filed on Sep. 25, 2001, attorney docket no. 25791.64, which is a divisional of U.S. patent application Ser. No. 09/523,468, attorney docket no.25791.11.02, filed on Mar. 10, 2000, which claims priority from provisional application 60/124,042, filed on Mar. 11, 1999, (42) U.S. patent application Ser. No. 09/962,467, filed on Sep. 25, 2001, attorney docket no. 25791.65, which is a divisional of U.S. patent application Ser. No. 09/523,468, attorney docket no. 25791.11.02, filed on Mar. 10, 2000, which claims priority from provisional application 60/124,042, filed on Mar. 11, 1999, (43) U.S. patent application Ser. no. 09/962,468, filed on Sep. 25, 2001, attorney docket no. 25791.66, which is a divisional of U.S. patent application Ser. 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No. 10/074,703, attorney docket no. 25791.74, filed on Feb. 12, 2002, which is a divisional of U.S. Pat. No. 6,568,471, which was filed as patent application Ser. No. 09/512,895, attorney docket no. 25791.12.02, filed on Feb. 24, 2000, which claims priority from provisional application 60/121,841, filed on Feb. 26, 1999, (50) U.S. patent application Ser. No. 10/074,244, attorney docket no. 25791.75, filed on Feb. 12, 2002, which is a divisional of U.S. Pat. No. 6,568,471, which was filed as patent application Ser. No. 09/512,895, attorney docket no. 25791.12.02, filed on Feb. 24, 2000, which claims priority from provisional application 60/121,841, filed on Feb. 26, 1999, (51) U.S. patent application Ser. No. 10/076,660, attorney docket no. 25791.76, filed on Feb. 15, 2002, which is a divisional of U.S. Pat. No. 6,568,471, which was filed as patent application Ser. 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No. 10/418,688, attorney docket no. 25791.257, which was filed on Apr. 18, 2003, as a division of U.S. utility patent application Ser. No. 09/523,468, attorney docket no. 25791.11.02, filed on Mar. 10, 2000, which claims priority from provisional application 60/124,042, filed on Mar. 11, 1999, (122) PCT patent application serial number PCT/US04/06246, attorney docket no. 25791.238.02, filed on Feb. 26, 2004, (123) PCT patent application serial number PCT/US04/08170, attorney docket number 25791.40.02, filed on Mar. 15, 2004, (124) PCT patent application serial number PCT/US04/08171, attorney docket number 25791.236.02, filed on Mar. 15, 2004, (125) PCT patent application serial number PCT/US04/08073, attorney docket number 25791.262.02, filed on Mar. 18, 2004, (126) PCT patent application serial number PCT/US04/07711, attorney docket number 25791.253.02, filed on Mar. 11, 2004, (127) PCT patent application serial number PCT/US2004/009434, attorney docket number 25791.260.02, filed on Mar. 26, 2004, (128) PCT patent application serial number PCT/US2004/010317, attorney docket number 25791.270.02, filed on Apr. 2, 2004, (129) PCT patent application serial number PCT/US2004/010712, attorney docket number 25791.272.02, filed on Apr. 6, 2004, (130) PCT patent application serial number PCT/US2004/010762, attorney docket number 25791.273.02, filed on Apr. 6, 2004, (131) PCT patent application serial number PCT/2004/011973, attorney docket number 25791.277.02, filed on Apr. 15, 2004, (132) U.S. provisional patent application Ser. No. 60/495,056, attorney docket number 25791.301, filed on Aug. 14, 2003, and (133) U.S. provisional patent application Ser. No. 60/585,370, attorney docket number 25791.299, filed on Jul. 2, 2004, the disclosures of which are incorporated herein by reference.
BACKGROUND OF THE INVENTIONThis invention relates generally to oil and gas exploration, and in particular to forming and repairing wellbore casings to facilitate oil and gas exploration.
SUMMARY OF THE INVENTIONAccording to one aspect of the present invention, an expandable tubular member is provided, wherein the carbon content of the tubular member is less than or equal to 0.12 percent; and wherein the carbon equivalent value for the tubular member is less than 0.21.
According to another aspect of the present invention, an expandable tubular member is provided, wherein the carbon content of the tubular member is greater than 0.12 percent; and wherein the carbon equivalent value for the tubular member is less than 0.36.
According to another aspect of the present invention, a method for manufacturing an expandable member used to complete a structure by radially expanding and plastically deforming the expandable member includes forming the expandable member from a steel alloy comprising a weight percentage of carbon of less than about 0.08%.
According to another aspect of the present invention, an expandable member for use in completing a wellbore by radially expanding and plastically deforming the expandable member at a downhole location in the wellbore includes a steel alloy comprising a weight percentage of carbon of less than about 0.08%.
According to another aspect of the present invention, a structural completion includes one or more radially expanded and plastically deformed expandable members positioned within the wellbore; wherein one or more of the radially expanded and plastically deformed expandable members are fabricated from a steel alloy comprising a weight percentage of carbon of less than about 0.08%.
According to another aspect of the present invention, a method for manufacturing an expandable member used to complete a structure by radially expanding and plastically deforming the expandable member includes forming the expandable member from a steel alloy comprising a weight percentage of carbon of less than about 0.20% and a charpy V-notch impact toughness of at least about 6 joules.
According to another aspect of the present invention, an expandable member for use in completing a structure by radially expanding and plastically deforming the expandable member includes a steel alloy comprising a weight percentage of carbon of less than about 0.20% and a charpy V-notch impact toughness of at least about 6 joules.
According to another aspect of the present invention, a structural completion includes one or more radially expanded and plastically deformed expandable members; wherein one or more of the radially expanded and plastically deformed expandable members are fabricated from a steel alloy comprising a weight percentage of carbon of less than about 0.20% and a charpy V-notch impact toughness of at least about 6 joules.
According to another aspect of the present invention, a method for manufacturing an expandable member used to complete a structure by radially expanding and plastically deforming the expandable member includes forming the expandable member from a steel alloy comprising the following ranges of weight percentages:
-
- C, from about 0.002 to about 0.08;
- Si, from about 0.009 to about 0.30;
- Mn, from about 0.10 to about 1.92;
- P, from about 0.004 to about 0.07;
- S, from about 0.0008 to about 0.006;
- Al, up to about 0.04;
- N, up to about 0.01;
- Cu, up to about 0.3;
- Cr, up to about 0.5;
- Ni, up to about 18;
- Nb, up to about 0.12;
- Ti, up to about 0.6;
- Co, up to about 9; and
- Mo, up to about 5.
According to another aspect of the present invention, an expandable member for use in completing a structure by radially expanding and plastically deforming the expandable member includes a steel alloy comprising the following ranges of weight percentages:
-
- C, from about 0.002 to about 0.08;
- Si, from about 0.009 to about 0.30;
- Mn, from about 0.10 to about 1.92;
- P, from about 0.004 to about 0.07;
- S, from about 0.0008 to about 0.006;
- Al, up to about 0.04;
- N, up to about 0.01;
- Cu, up to about 0.3;
- Cr, up to about 0.5;
- Ni, up to about 18;
- Nb, up to about 0.12;
- Ti, up to about 0.6;
- Co, up to about 9; and
- Mo, up to about 5.
According to another aspect of the present invention, a structural completion includes one or more radially expanded and plastically deformed expandable members; wherein one or more of the radially expanded and plastically deformed expandable members are fabricated from a steel alloy comprising the following ranges of weight percentages:
-
- C, from about 0.002 to about 0.08;
- Si, from about 0.009 to about 0.30;
- Mn, from about 0.10 to about 1.92;
- P, from about 0.004 to about 0.07;
- S, from about 0.0008 to about 0.006;
- Al, up to about 0.04;
- N, up to about 0.01;
- Cu, up to about 0.3;
- Cr, up to about 0.5;
- Ni, up to about 18;
- Nb, up to about 0.12;
- Ti, up to about 0.6;
- Co, up to about 9; and
- Mo, up to about 5.
According to another aspect of the present invention, a method for manufacturing a tubular member used to complete a wellbore by radially expanding the tubular member at a downhole location in the wellbore includes forming a steel alloy comprising a concentration of carbon between approximately 0.002% and 0.08% by weight of the steel alloy.
According to another aspect of the present invention, an expandable tubular member is fabricated from a steel alloy having a concentration of carbon between approximately 0.002% and 0.08% by weight of the steel alloy.
According to another aspect of the present invention, a method for manufacturing an expandable tubular member used to complete a wellbore completion within a wellbore that traverses a subterranean formation by radially expanding and plastically deforming the expandable tubular member within the wellbore includes forming the expandable tubular member from a steel alloy comprising a charpy energy of at least about 90 ft-lbs; forming the expandable member from a steel alloy comprising a charpy V-notch impact toughness of at least about 6 joules; forming the expandable member from a steel alloy comprising the following ranges of weight percentages:
-
- C, from about 0.002 to about 0.08;
- Si, from about 0.009 to about 0.30;
- Mn, from about 0.10 to about 1.92;
- P, from about 0.004 to about 0.07;
- S, from about 0.0008 to about 0.006;
- Al, up to about 0.04;
- N, up to about 0.01;
- Cu, up to about 0.3;
- Cr, up to about 0.5;
- Ni, up to about 18;
- Nb, up to about 0.12;
- Ti, up to about 0.6;
- Co, up to about 9; and
- Mo, up to about 5;
forming the expandable tubular member with a ratio of the of an outside diameter of the expandable tubular member to a wall thickness of the expandable tubular member ranging from about 12 to 22; and strain aging the expandable tubular member prior to the radial expansion and plastic deformation of the expandable tubular member within the wellbore.
According to another aspect of the present invention, an expandable tubular member for use in completing a wellbore completion within a wellbore that traverses a subterranean formation by radially expanding and plastically deforming the expandable tubular member within the wellbore includes a steel alloy having a charpy energy of at least about 90 ft-lbs; a steel alloy having a charpy V-notch impact toughness of at least about 6 joules; and a steel alloy comprising the following ranges of weight percentages:
-
- C, from about 0.002 to about 0.08;
- Si, from about 0.009 to about 0.30;
- Mn, from about 0.10 to about 1.92;
- P, from about 0.004 to about 0.07;
- S, from about 0.0008 to about 0.006;
- Al, up to about 0.04;
- N, up to about 0.01;
- Cu, up to about 0.3;
- Cr, up to about 0.5;
- Ni, up to about 18;
- Nb, up to about 0.12;
- Ti, up to about 0.6;
- Co, up to about 9; and
- Mo, up to about 5;
wherein a ratio of the of an outside diameter of the expandable tubular member to a wall thickness of the expandable tubular member ranging from about 12 to 22; and wherein the expandable tubular member is strain aged prior to the radial expansion and plastic deformation of the expandable tubular member within the wellbore.
According to another aspect of the present invention, a wellbore completion positioned within a wellbore that traverses a subterranean formation includes one or more radially expanded and plastically deformed expandable tubular members positioned within the wellbore completion; wherein one or more of the radially expanded and plastically deformed expandable tubular members are fabricated to from a steel alloy comprising a charpy energy of at least about 90 ft-lbs; a steel alloy comprising a charpy V-notch impact toughness of at least about 6 joules; and a steel alloy comprising the following ranges of weight percentages:
-
- C, from about 0.002 to about 0.08;
- Si, from about 0.009 to about 0.30;
- Mn, from about 0.10 to about 1.92;
- P, from about 0.004 to about 0.07;
- S, from about 0.0008 to about 0.006;
- Al, up to about 0.04;
- N, up to about 0.01;
- Cu, up to about 0.3;
- Cr, up to about 0.5;
- Ni, up to about 18;
- Nb, up to about 0.12;
- Ti, up to about 0.6;
- Co, up to about 9; and
- Mo, up to about 5;
wherein at least one of the expandable members comprises a ratio of the of an outside diameter of the expandable member to a wall thickness of the expandable member ranging from about 12 to 22; wherein an outer portion of the wall thickness of at least one of the radially expanded and plastically deformed expandable comprises tensile residual stresses; and wherein at least one of the expandable tubular member is strain aged prior to the radial expansion and plastic deformation of the expandable tubular member within the wellbore.
Referring initially to
As illustrated in
As illustrated in
As illustrated in
In an exemplary embodiment, at least a portion of at least a portion of at least one of the first and second expandable tubular members, 12 and 14, are radially expanded into intimate contact with the interior surface of the preexisting structure 16.
In an exemplary embodiment, as illustrated in
In an exemplary embodiment, as illustrated in
In an exemplary embodiment, as illustrated in
Referring to
As illustrated in
As illustrated in
As illustrated in
In an exemplary embodiment, at least a portion of at least a portion of at least one of the first and second expandable tubular members, 102 and 108, are radially expanded into intimate contact with the interior surface of the preexisting structure 110.
In an exemplary embodiment, as illustrated in
In an exemplary embodiment, as illustrated in
Referring to
As illustrated in
As illustrated in
As illustrated in
In an exemplary embodiment, the anisotropy ratio AR for the first and second expandable tubular members is defined by the following equation:
AR=In(WTf/WTo)/In(Df/Do);
-
- where AR=anisotropy ratio;
- where WTf=final wall thickness of the expandable tubular member following the radial expansion and plastic deformation of the expandable tubular member;
- where WTi=initial wall thickness of the expandable tubular member prior to the radial expansion and plastic deformation of the expandable tubular member;
- where Df=final inside diameter of the expandable tubular member following the radial expansion and plastic deformation of the expandable tubular member; and
- where Di=initial inside diameter of the expandable tubular member prior to the radial expansion and plastic deformation of the expandable tubular member.
In an exemplary embodiment, the anisotropy ratio AR for the first and/or second expandable tubular members, 204 and 204, is greater than 1.
In an exemplary exoperimental embodiment, the second expandable tubular member 204 had an anisotropy ratio AR greater than 1, and the radial expansion and plastic deformation of the second expandable tubular member did not result in any of the openings, 204a, 204b, 204c, and 204d, splitting or otherwise fracturing the remaining portions of the second expandable tubular member. This was an unexpected result.
Referring to
In an exemplary embodiment, as illustrated in
In an exemplary embodiment, one or more of the expandable tubular members, 12, 14, 24, 26, 102, 104, 106, 108, 202 and/or 204, have the following characteristics:
In an exemplary embodiment, one or more of the expandable tubular members, 12, 14, 24, 26, 102, 104, 106, 108, 202 and/or 204, are characterized by an expandability coefficient f:
-
- i. f=r×n
- ii. where f=expandability coefficient;
- 1. r=anisotropy coefficient; and
- 2. n=strain hardening exponent.
In an exemplary embodiment, the anisotropy coefficient for one or more of the expandable tubular members, 12, 14, 24, 26, 102, 104, 106, 108, 202 and/or 204 is greater than 1. In an exemplary embodiment, the strain hardening exponent for one or more of the expandable tubular members, 12, 14, 24, 26, 102, 104, 106, 108, 202 and/or 204 is greater than 0.12. In an exemplary embodiment, the expandability coefficient for one or more of the expandable tubular members, 12, 14, 24, 26, 102, 104, 106, 108, 202 and/or 204 is greater than 0.12.
In an exemplary embodiment, a tubular member having a higher expandability coefficient requires less power and/or energy to radially expand and plastically deform each unit length than a tubular member having a lower expandability coefficient. In an exemplary embodiment, a tubular member having a higher expandability coefficient requires less power and/or energy per unit length to radially expand and plastically deform than a tubular member having a lower expandability coefficient.
In several exemplary experimental embodiments, one or more of the expandable tubular members, 12, 14, 24, 26, 102, 104, 106, 108, 202 and/or 204, are steel alloys having one of the following compositions:
In exemplary experimental embodiment, as illustrated in
In an exemplary experimental embodiment, a sample of an expandable tubular member composed of Alloy A exhibited the following tensile characteristics before and after radial expansion and plastic deformation:
In exemplary experimental embodiment, as illustrated in
In an exemplary experimental embodiment, a sample of an expandable tubular member composed of Alloy B exhibited the following tensile characteristics before and after radial expansion and plastic deformation:
In an exemplary experimental embodiment, samples of expandable tubulars composed of Alloys A, B, C, and D exhibited the following tensile characteristics prior to radial expansion and plastic deformation:
In an exemplary embodiment, one or more of the expandable tubular members, 12, 14, 24, 26, 102, 104, 106, 108, 202 and/or 204 have a strain hardening exponent greater than 0.12, and a yield ratio is less than 0.85.
In an exemplary embodiment, the carbon equivalent Ce, for tubular members having a carbon content (by weight percentage) less than or equal to 0.12%, is given by the following expression:
Ce=C+Mn/6+(Cr+Mo+V+Ti+Nb)/5+(Ni+Cu)/15
where Ce=carbon equivalent value;
-
- a. C=carbon percentage by weight;
- b. Mn=manganese percentage by weight;
- c. Cr=chromium percentage by weight;
- d. Mo=molybdenum percentage by weight;
- e. V=vanadium percentage by weight;
- f. Ti=titanium percentage by weight;
- g. Nb=niobium percentage by weight;
- h. Ni=nickel percentage by weight; and
- i. Cu=copper percentage by weight.
In an exemplary embodiment, the carbon equivalent value Ce, for tubular members having a carbon content less than or equal to 0.12% (by weight), for one or more of the expandable tubular members, 12, 14, 24, 26, 102, 104, 106, 108, 202 and/or 204 is less than 0.21.
In an exemplary embodiment, the carbon equivalent Ce, for tubular members having more than 0.12% carbon content (by weight), is given by the following expression:
Ce=C+Si/30+(Mn+Cu+Cr)/20+Ni/60+Mo/15+V/10+5*B
where Ce=carbon equivalent value;
-
- a. C=carbon percentage by weight;
- b. Si=silicon percentage by weight;
- c. Mn=manganese percentage by weight;
- d. Cu=copper percentage by weight;
- e. Cr=chromium percentage by weight;
- f. Ni=nickel percentage by weight;
- g. Mo=molybdenum percentage by weight;
- h. V=vanadium percentage by weight; and
- i. B=boron percentage by weight.
In an exemplary embodiment, the carbon equivalent value Ce, for tubular members having greater than 0.12% carbon content (by weight), for one or more of the expandable tubular members, 12, 14, 24, 26, 102, 104, 106, 108, 202 and/or 204 is less than 0.36.
In several exemplary embodiments, the first and second tubular members described above with reference to
Referring to
Referring to
In several exemplary embodiments, one or more of the expandable tubular members, 12, 14, 24, 26, 102, 104, 106, 108, 202, 204 and/or 3502, prior to a radial expansion and plastic deformation, include a microstructure that is a combination of a hard phase, such as martensite, a soft phase, such as ferrite, and a transitionary phase, such as retained austentite. In this manner, the hard phase provides high strength, the soft phase provides ductility, and the transitionary phase transitions to a hard phase, such as martensite, during a radial expansion and plastic deformation. Furthermore, in this manner, the yield point of the tubular member increases as a result of the radial expansion and plastic deformation. Further, in this manner, the tubular member is ductile, prior to the radial expansion and plastic deformation, thereby facilitating the radial expansion and plastic deformation. In an exemplary embodiment, the composition of a dual-phase expandable tubular member includes (weight percentages): about 0.1% C, 1.2% Mn, and 0.3% Si.
In an exemplary experimental embodiment, as illustrated in
In an exemplary experimental embodiment, as illustrated in
In an exemplary embodiment, the expandable tubular member 3602a is then heated at a temperature of 790° C. for about 10 minutes in step 3604.
In an exemplary embodiment, the expandable tubular member 3602a is then quenched in water in step 3606.
In an exemplary experimental embodiment, as illustrated in
In an exemplary embodiment, the expandable tubular member 3602a is then radially expanded and plastically deformed using one or more of the methods and apparatus described above. In an exemplary embodiment, following the radial expansion and plastic deformation of the expandable tubular member 3602a, the yield strength of the expandable tubular member is about 95 ksi.
In an exemplary experimental embodiment, as illustrated in
In an exemplary experimental embodiment, as illustrated in
In an exemplary embodiment, the expandable tubular member 3702a is then heated at a temperature of 790° C. for about 10 minutes in step 3704.
In an exemplary embodiment, the expandable tubular member 3702a is then quenched in water in step 3706.
In an exemplary experimental embodiment, as illustrated in
In an exemplary embodiment, the expandable tubular member 3702a is then radially expanded and plastically deformed using one or more of the methods and apparatus described above. In an exemplary embodiment, following the radial expansion and plastic deformation of the expandable tubular member 3702a, the yield strength of the expandable tubular member is about 130 ksi.
In an exemplary experimental embodiment, as illustrated in
In an exemplary experimental embodiment, as illustrated in
In an exemplary embodiment, the expandable tubular member 3802a is then heated at a temperature of 790° C. for about 10 minutes in step 3804.
In an exemplary embodiment, the expandable tubular member 3802a is then quenched in water in step 3806.
In an exemplary experimental embodiment, as illustrated in
In an exemplary embodiment, the expandable tubular member 3802a is then radially expanded and plastically deformed using one or more of the methods and apparatus described above. In an exemplary embodiment, following the radial expansion and plastic deformation of the expandable tubular member 3802a, the yield strength of the expandable tubular member is about 97 ksi.
In several exemplary embodiments, the teachings of the present disclosure are combined with one or more of the teachings disclosed in FR 2 841 626, filed on Jun. 28, 2002, and published on Jan. 2, 2004, the disclosure of which is incorporated herein by reference.
In an exemplary embodiment, the tubular members include one or more of the following characteristics: high burst and collapse, the ability to be radially expanded more than about 40%, high fracture toughness, defect tolerance, strain recovery @150 F, good bending fatigue, optimal residual stresses, and corrosion resistance to H2S in order to provide optimal characteristics during and after radial expansion and plastic deformation.
In an exemplary embodiment, the tubular members are fabricated from a steel alloy having a charpy energy of at least about 90 ft-lbs in order to provided enhanced characteristics during and after radial expansion and plastic deformation of the expandable tubular member.
In an exemplary embodiment, the tubular members are fabricated from a steel alloy having a weight percentage of carbon of less than about 0.08% in order to provide enhanced characteristics during and after radial expansion and plastic deformation of the tubular members.
In an exemplary embodiment, the tubular members are fabricated from a steel alloy having reduced sulfur content in order to minimize hydrogen induced cracking.
In an exemplary embodiment, the tubular members are fabricated from a steel alloy having a weight percentage of carbon of less than about 0.20% and a charpy-V-notch impact toughness of at least about 6 joules in order to provide enhanced characteristics during and after radial expansion and plastic deformation of the tubular members.
In an exemplary embodiment, the tubular members are fabricated from a steel alloy having a low weight percentage of carbon in order to enhance toughness, ductility, weldability, shelf energy, and hydrogen induced cracking resistance.
In several exemplary embodiments, the tubular members are fabricated from a steel alloy having the following percentage compositions in order to provide enhanced characteristics during and after radial expansion and plastic deformation of the tubular members:
In an exemplary embodiment, the ratio of the outside diameter D of the tubular members to the wall thickness t of the tubular members range from about 12 to 22 in order to enhance the collapse strength of the radially expanded and plastically deformed tubular members.
In an exemplary embodiment, the outer portion of the wall thickness of the radially expanded and plastically deformed tubular members includes tensile residual stresses in order to enhance the collapse strength following radial expansion and plastic deformation.
In several exemplary experimental embodiments, reducing residual stresses in samples of the tubular members prior to radial expansion and plastic deformation increased the collapse strength of the radially expanded and plastically deformed tubular members.
In several exemplary experimental embodiments, the collapse strength of radially expanded and plastically deformed samples of the tubulars were determined on an as-received basis, after strain aging at 250 F for 5 hours to reduce residual stresses, and after strain aging at 350 F for 14 days to reduce residual stresses as follows:
As indicated by the above table, reducing residual stresses in the tubular members, prior to radial expansion and plastic deformation, significantly increased the resulting collapse strength—post expansion.
An expandable tubular member has been described, wherein the carbon content of the tubular member is less than or equal to 0.12 percent; and wherein the carbon equivalent value for the tubular member is less than 0.21. In an exemplary embodiment, the tubular member comprises a wellbore casing.
An expandable tubular member has been described, wherein the carbon content of the tubular member is greater than 0.12 percent; and wherein the carbon equivalent value for the tubular member is less than 0.36. In an exemplary embodiment, the tubular member comprises a wellbore casing.
A method for manufacturing an expandable member used to complete a structure by radially expanding and plastically deforming the expandable member has been described that includes forming the expandable member from a steel alloy comprising a weight percentage of carbon of less than about 0.08%.
An expandable member for use in completing a wellbore by radially expanding and plastically deforming the expandable member at a downhole location in the wellbore has been described that includes a steel alloy comprising a weight percentage of carbon of less than about 0.08%.
A structural completion has been described that includes one or more radially expanded and plastically deformed expandable members positioned within the wellbore; wherein one or more of the radially expanded and plastically deformed expandable members are fabricated from a steel alloy comprising a weight percentage of carbon of less than about 0.08%.
A method for manufacturing an expandable member used to complete a structure by radially expanding and plastically deforming the expandable member has been described that includes forming the expandable member from a steel alloy comprising a weight percentage of carbon of less than about 0.20% and a charpy V-notch impact toughness of at least about 6 joules.
An expandable member for use in completing a structure by radially expanding and plastically deforming the expandable member has been described that includes a steel alloy comprising a weight percentage of carbon of less than about 0.20% and a charpy V-notch impact toughness of at least about 6 joules.
A structural completion has been described that include one or more radially expanded and plastically deformed expandable members; wherein one or more of the radially expanded and plastically deformed expandable members are fabricated from a steel alloy comprising a weight percentage of carbon of less than about 0.20% and a charpy V-notch impact toughness of at least about 6 joules.
A method for manufacturing an expandable member used to complete a structure by radially expanding and plastically deforming the expandable member has been described that includes forming the expandable member from a steel alloy comprising the following ranges of weight percentages:
-
- C, from about 0.002 to about 0.08;
- Si, from about 0.009 to about 0.30;
- Mn, from about 0.10 to about 1.92;
- P, from about 0.004 to about 0.07;
- S, from about 0.0008 to about 0.006;
- Al, up to about 0.04;
- N, up to about 0.01;
- Cu, up to about 0.3;
- Cr, up to about 0.5;
- Ni, up to about 18;
- Nb, up to about 0.12;
- Ti, up to about 0.6;
- Co, up to about 9; and
- Mo, up to about 5.
An expandable member for use in completing a structure by radially expanding and plastically deforming the expandable member has been described that includes a steel alloy comprising the following ranges of weight percentages:
-
- C, from about 0.002 to about 0.08;
- Si, from about 0.009 to about 0.30;
- Mn, from about 0.10 to about 1.92;
- P, from about 0.004 to about 0.07;
- S, from about 0.0008 to about 0.006;
- Al, up to about 0.04;
- N, up to about 0.01;
- Cu, up to about 0.3;
- Cr, up to about 0.5;
- Ni, up to about 18;
- Nb, up to about 0.12;
- Ti, up to about 0.6;
- Co, up to about 9; and
- Mo, up to about 5.
A structural completion has been described that includes one or more radially expanded and plastically deformed expandable members; wherein one or more of the radially expanded and plastically deformed expandable members are fabricated from a steel alloy comprising the following ranges of weight percentages:
-
- C, from about 0.002 to about 0.08;
- Si, from about 0.009 to about 0.30;
- Mn, from about 0.10 to about 1.92;
- P, from about 0.004 to about 0.07;
- S, from about 0.0008 to about 0.006;
- Al, up to about 0.04;
- N, up to about 0.01;
- Cu, up to about 0.3;
- Cr, up to about 0.5;
- Ni, up to about 18;
- Nb, up to about 0.12;
- Ti, up to about 0.6;
- Co, up to about 9; and
- Mo, up to about 5.
A method for manufacturing a tubular member used to complete a wellbore by radially expanding the tubular member at a downhole location in the wellbore has been described that includes forming a steel alloy comprising a concentration of carbon between approximately 0.002% and 0.08% by weight of the steel alloy. In one exemplary embodiment, the method includes forming the steel alloy with a concentration of niobium comprising between approximately 0.015% and 0.12% by weight of the steel alloy. In one exemplary embodiment, the method includes forming the steel alloy with low concentrations of niobium and titanium; and limiting the total concentration of niobium and titanium to less than approximately 0.6% by weight of the steel alloy.
An expandable tubular member has been described that is fabricated from a steel alloy having a concentration of carbon between approximately 0.002% and 0.08% by weight of the steel alloy.
A method for manufacturing an expandable tubular member used to complete a wellbore completion within a wellbore that traverses a subterranean formation by radially expanding and plastically deforming the expandable tubular member within the wellbore has been described that includes forming the expandable tubular member from a steel alloy comprising a charpy energy of at least about 90 ft-lbs; forming the expandable member from a steel alloy comprising a charpy V-notch impact toughness of at least about 6 joules; forming the expandable member from a steel alloy comprising the following ranges of weight percentages:
-
- C, from about 0.002 to about 0.08;
- Si, from about 0.009 to about 0.30;
- Mn, from about 0.10 to about 1.92;
- P, from about 0.004 to about 0.07;
- S, from about 0.0008 to about 0.006;
- Al, up to about 0.04;
- N, up to about 0.01;
- Cu, up to about 0.3;
- Cr, up to about 0.5;
- Ni, up to about 18;
- Nb, up to about 0.12;
- Ti, up to about 0.6;
- Co, up to about 9; and
- Mo, up to about 5;
forming the expandable tubular member with a ratio of the of an outside diameter of the expandable tubular member to a wall thickness of the expandable tubular member ranging from about 12 to 22; and strain aging the expandable tubular member prior to the radial expansion and plastic deformation of the expandable tubular member within the wellbore.
An expandable tubular member for use in completing a wellbore completion within a wellbore that traverses a subterranean formation by radially expanding and plastically deforming the expandable tubular member within the wellbore has been described that includes a steel alloy having a charpy energy of at least about 90 ft-lbs; a steel alloy having a charpy V-notch impact toughness of at least about 6 joules; and a steel alloy comprising the following ranges of weight percentages:
-
- C, from about 0.002 to about 0.08;
- Si, from about 0.009 to about 0.30;
- Mn, from about 0.10 to about 1.92;
- P, from about 0.004 to about 0.07;
- S, from about 0.0008 to about 0.006;
- Al, up to about 0.04;
- N, up to about 0.01;
- Cu, up to about 0.3;
- Cr, up to about 0.5;
- Ni, up to about 18;
- Nb, up to about 0.12;
- Ti, up to about 0.6;
- Co, up to about 9; and
- Mo, up to about 5;
wherein a ratio of the of an outside diameter of the expandable tubular member to a wall thickness of the expandable tubular member ranging from about 12 to 22; and wherein the expandable tubular member is strain aged prior to the radial expansion and plastic deformation of the expandable tubular member within the wellbore.
A wellbore completion positioned within a wellbore that traverses a subterranean formation has been described that includes one or more radially expanded and plastically deformed expandable tubular members positioned within the wellbore completion; wherein one or more of the radially expanded and plastically deformed expandable tubular members are fabricated from:
-
- a steel alloy comprising a charpy energy of at least about 90 ft-lbs;
- a steel alloy comprising a charpy V-notch impact toughness of at least about 6 joules; and
- a steel alloy comprising the following ranges of weight percentages:
- C, from about 0.002 to about 0.08;
- Si, from about 0.009 to about 0.30;
- Mn, from about 0.10 to about 1.92;
- P, from about 0.004 to about 0.07;
- S, from about 0.0008 to about 0.006;
- Al, up to about 0.04;
- N, up to about 0.01;
- Cu, up to about 0.3;
- Cr, up to about 0.5;
- Ni, up to about 18;
- Nb, up to about 0.12;
- Ti, up to about 0.6;
- Co, up to about 9; and
- Mo, up to about 5;
wherein at least one of the expandable members comprises a ratio of the of an outside diameter of the expandable member to a wall thickness of the expandable member ranging from about 12 to 22; wherein an outer portion of the wall thickness of at least one of the radially expanded and plastically deformed expandable comprises tensile residual stresses; and wherein at least one of the expandable tubular member is strain aged prior to the radial expansion and plastic deformation of the expandable tubular member within the wellbore.
It is understood that variations may be made in the foregoing without departing from the scope of the invention. For example, the teachings of the present illustrative embodiments may be used to provide a wellbore casing, a pipeline, or a structural support. Furthermore, the elements and teachings of the various illustrative embodiments may be combined in whole or in part in some or all of the illustrative embodiments. In addition, one or more of the elements and teachings of the various illustrative embodiments may be omitted, at least in part, and/or combined, at least in part, with one or more of the other elements and teachings of the various illustrative embodiments.
Although illustrative embodiments of the invention have been shown and described, a wide range of modification, changes and substitution is contemplated in the foregoing disclosure. In some instances, some features of the present invention may be employed without a corresponding use of the other features. Accordingly, it is appropriate that the appended claims be construed broadly and in a manner consistent with the scope of the invention.
Claims
1. An expandable tubular member, wherein the carbon content of the tubular member is less than or equal to 0.12 percent; and wherein the carbon equivalent value for the tubular member is less than 0.21.
2. The tubular member of claim 1, wherein the tubular member comprises a wellbore casing.
3. An expandable tubular member, wherein the carbon content of the tubular member is greater than 0.12 percent; and wherein the carbon equivalent value for the tubular member is less than 0.36.
4. The tubular member of claim 3, wherein the tubular member comprises a wellbore casing.
5. A method for manufacturing an expandable member used to complete a structure by radially expanding and plastically deforming the expandable member, comprising:
- forming the expandable member from a steel alloy comprising a weight percentage of carbon of less than about 0.08%.
6. An expandable member for use in completing a wellbore by radially expanding and plastically deforming the expandable member at a downhole location in the wellbore, comprising:
- a steel alloy comprising a weight percentage of carbon of less than about 0.08%.
7. A structural completion, comprising:
- one or more radially expanded and plastically deformed expandable members positioned within the wellbore;
- wherein one or more of the radially expanded and plastically deformed expandable members are fabricated from a steel alloy comprising a weight percentage of carbon of less than about 0.08%.
8. A method for manufacturing an expandable member used to complete a structure by radially expanding and plastically deforming the expandable member, comprising:
- forming the expandable member from a steel alloy comprising a weight percentage of carbon of less than about 0.20% and a charpy V-notch impact toughness of at least about 6 joules.
9. An expandable member for use in completing a structure by radially expanding and plastically deforming the expandable member, comprising:
- a steel alloy comprising a weight percentage of carbon of less than about 0.20% and a charpy V-notch impact toughness of at least about 6 joules.
10. A structural completion, comprising:
- one or more radially expanded and plastically deformed expandable members;
- wherein one or more of the radially expanded and plastically deformed expandable members are fabricated from a steel alloy comprising a weight percentage of carbon of less than about 0.20% and a charpy V-notch impact toughness of at least about 6 joules.
11. A method for manufacturing an expandable member used to complete a structure by radially expanding and plastically deforming the expandable member, comprising:
- forming the expandable member from a steel alloy comprising the following ranges of weight percentages: C, from about 0.002 to about 0.08; Si, from about 0.009 to about 0.30; Mn, from about 0.10 to about 1.92; P, from about 0.004 to about 0.07; S, from about 0.0008 to about 0.006; Al, up to about 0.04; N, up to about 0.01; Cu, up to about 0.3; Cr, up to about 0.5; Ni, up to about 18; Nb, up to about 0.12; Ti, up to about 0.6; Co, up to about 9; and Mo, up to about 5.
12. An expandable member for use in completing a structure by radially expanding and plastically deforming the expandable member, comprising:
- a steel alloy comprising the following ranges of weight percentages: C, from about 0.002 to about 0.08; Si, from about 0.009 to about 0.30; Mn, from about 0.10 to about 1.92; P, from about 0.004 to about 0.07; S, from about 0.0008 to about 0.006; Al, up to about 0.04; N, up to about 0.01; Cu, up to about 0.3; Cr, up to about 0.5; Ni, up to about 18; Nb, up to about 0.12; Ti, up to about 0.6; Co, up to about 9; and Mo, up to about 5.
13. A structural completion, comprising:
- one or more radially expanded and plastically deformed expandable members;
- wherein one or more of the radially expanded and plastically deformed expandable members are fabricated from a steel alloy comprising the following ranges of weight percentages: C, from about 0.002 to about 0.08; Si, from about 0.009 to about 0.30; Mn, from about 0.10 to about 1.92; P, from about 0.004 to about 0.07; S, from about 0.0008 to about 0.006; Al, up to about 0.04; N, up to about 0.01; Cu, up to about 0.3; Cr, up to about 0.5; Ni, up to about 18; Nb, up to about 0.12; Ti, up to about 0.6; Co, up to about 9; and Mo, up to about 5.
14. A method for manufacturing a tubular member used to complete a wellbore by radially expanding the tubular member at a downhole location in the wellbore comprising: forming a steel alloy comprising a concentration of carbon between approximately 0.002% and 0.08% by weight of the steel alloy.
15. The method of claim 14, further comprising forming the steel alloy with a concentration of niobium comprising between approximately 0.015% and 0.12% by weight of the steel alloy.
16. The method of claim 14, further comprising: forming the steel alloy with low concentrations of niobium and titanium; and limiting the total concentration of niobium and titanium to less than approximately 0.6% by weight of the steel alloy.
17. An expandable tubular member fabricated from a steel alloy having a concentration of carbon between approximately 0.002% and 0.08% by weight of the steel alloy.
18. A method for manufacturing an expandable tubular member used to complete a wellbore completion within a wellbore that traverses a subterranean formation by radially expanding and plastically deforming the expandable tubular member within the wellbore, comprising:
- forming the expandable tubular member from a steel alloy comprising a charpy energy of at least about 90 ft-lbs;
- forming the expandable member from a steel alloy comprising a charpy V-notch impact toughness of at least about 6 joules;
- forming the expandable member from a steel alloy comprising the following ranges of weight percentages: C, from about 0.002 to about 0.08; Si, from about 0.009 to about 0.30; Mn, from about 0.10 to about 1.92; P, from about 0.004 to about 0.07; S, from about 0.0008 to about 0.006; Al, up to about 0.04; N, up to about 0.01; Cu, up to about 0.3; Cr, up to about 0.5; Ni, up to about 18; Nb, up to about 0.12; Ti, up to about 0.6; Co, up to about 9; and Mo, up to about 5;
- forming the expandable tubular member with a ratio of the of an outside diameter of the expandable tubular member to a wall thickness of the expandable tubular member ranging from about 12 to 22; and
- strain aging the expandable tubular member prior to the radial expansion and plastic deformation of the expandable tubular member within the wellbore.
19. An expandable tubular member for use in completing a wellbore completion within a wellbore that traverses a subterranean formation by radially expanding and plastically deforming the expandable tubular member within the wellbore, comprising:
- a steel alloy having a charpy energy of at least about 90 ft-lbs;
- a steel alloy having a charpy V-notch impact toughness of at least about 6 joules; and
- a steel alloy comprising the following ranges of weight percentages: C, from about 0.002 to about 0.08; Si, from about 0.009 to about 0.30; Mn, from about 0.10 to about 1.92; P, from about 0.004 to about 0.07; S, from about 0.0008 to about 0.006; Al, up to about 0.04; N, up to about 0.01; Cu, up to about 0.3; Cr, up to about 0.5; Ni, up to about 18; Nb, up to about 0.12; Ti, up to about 0.6; Co, up to about 9; and Mo, up to about 5;
- wherein a ratio of the of an outside diameter of the expandable tubular member to a wall thickness of the expandable tubular member ranging from about 12 to 22; and
- wherein the expandable tubular member is strain aged prior to the radial expansion and plastic deformation of the expandable tubular member within the wellbore.
20. A wellbore completion positioned within a wellbore that traverses a subterranean formation, comprising:
- one or more radially expanded and plastically deformed expandable tubular members positioned within the wellbore completion;
- wherein one or more of the radially expanded and plastically deformed expandable tubular members are fabricated from:
- a steel alloy comprising a charpy energy of at least about 90 ft-lbs;
- a steel alloy comprising a charpy V-notch impact toughness of at least about 6 joules; and
- a steel alloy comprising the following ranges of weight percentages: C, from about 0.002 to about 0.08; Si, from about 0.009 to about 0.30; Mn, from about 0.10 to about 1.92; P, from about 0.004 to about 0.07; S, from about 0.0008 to about 0.006; Al, up to about 0.04; N, up to about 0.01; Cu, up to about 0.3; Cr, up to about 0.5; Ni, up to about 18; Nb, up to about 0.12; Ti, up to about 0.6; Co, up to about 9; and Mo, up to about 5;
- wherein at least one of the expandable members comprises a ratio of the of an outside diameter of the expandable member to a wall thickness of the expandable member ranging from about 12 to 22;
- wherein an outer portion of the wall thickness of at least one of the radially expanded and plastically deformed expandable comprises tensile residual stresses; and
- wherein at least one of the expandable tubular member is strain aged prior to the radial expansion and plastic deformation of the expandable tubular member within the wellbore.
Type: Application
Filed: Aug 11, 2005
Publication Date: Oct 23, 2008
Applicant: ENVENTURE GLOBAL TECHNOLOGY, LLC (Houston, TX)
Inventors: David Paul Brisco (Duncan, OK), Brock Wayne Watson (Carrollton, TX), Mark Shuster (Voorburg), Malcolm Gray (Houston, TX), Grigoriy Grinberg (Sylvania, OH), Scott Costa (Katy, TX), Russell Wasson (Bourbon, MO)
Application Number: 11/573,465
International Classification: E21B 43/00 (20060101); E21B 17/00 (20060101);