Split Ring Type Suspension Means Patents (Class 285/123.4)
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Patent number: 11906099Abstract: A method of sealing the interstice in double-walled pipe includes the steps of applying a first sealing piece to an inner pipe of the double-walled pipe, wherein the first sealing piece covers a portion of the circumference of the inner pipe; and applying a second sealing piece to the inner pipe of the double-walled pipe, wherein the second sealing piece covers the remainder of the circumference of the inner pipe. The method further includes the step of attaching the first sealing piece to the second sealing piece forming a sealer; wherein the sealer is disposed in an annular space located between the inner pipe and an outer pipe. A sealer configured to seal an opening between pipes in a double-walled pipe includes a first sealing piece having a rounded cross-section with an attachment portion configured to engage a corresponding attachment portion disposed on a second sealing piece.Type: GrantFiled: March 21, 2019Date of Patent: February 20, 2024Assignee: PHOENIX ENVIRONMENTAL, INC.Inventors: Casey Joe Smith, Blake A. Bowers, Michael B. Goodwin, Makena Hale
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Patent number: 11598471Abstract: A seal assembly for a pipeline plug may include a pressure head including a forcing face. The seal assembly may include a primary tapered ring including an expansion face. The expansion face may abut the forcing face. The seal assembly may include primary seal ring. The seal assembly may include a squeezer assembly, the squeezer assembly including at least one seal face, the seal face abutting the primary seal ring. The seal assembly may include a secondary tapered ring, the secondary tapered ring including a wedge squeezer face, the wedge squeezer face abutting a wedge face of the squeezer assembly. The seal assembly may include a bowl, the bowl including a wedge face, the wedge face in abutment with an expansion face of the secondary tapered ring.Type: GrantFiled: July 30, 2021Date of Patent: March 7, 2023Assignee: SAFE ISOLATIONS LLCInventors: Paul Giles, Humon Glenn Fardsalehi
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Patent number: 11111749Abstract: A system for positioning an inner tubular within an outer tubular. The outer tubular is inserted in a wellbore and has a first central axis. The inner tubular defines an inner passage of the outer tubular and is inserted in a wellbore. The inner tubular has a second central axis that is offset from and parallel to the first central axis. A flange is attached at an uphole end of the outer tubular and encircles an outer circumference of the inner tubular. The flange has a third central axis that is in-line with the second central axis. A wellhead housing is positioned at an uphole end of the flange and encircles the outer circumference of the inner tubular. A casing hanger is positioned within the wellhead housing and has an interference with the wellhead housing. The casing hanger is frictionally attached to the inner tubular.Type: GrantFiled: May 14, 2019Date of Patent: September 7, 2021Assignee: Saudi Arabian Oil CompanyInventors: Sajid Hussain, Victor Jose Bustamante Rodriguez
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Patent number: 9151134Abstract: A seal assembly (10) is provided for sealing between an interior surface (14) on a wellhead (12) and a tapered exterior surface (18) on a hanger (16). A unitary seal body (20) includes an upper portion for engagement with a force tool and a lower portion for sealing with the wellhead and the hanger. A first locking ring (24) is movable radially inward for securing the sealing assembly to the hanger, and a second locking ring (22) is movable radially outward for securing the seal assembly to the wellhead. An actuation member (60) including a plurality of downward extending fingers passing through slots in the seal body move downward through a portion of the body to force the first and second locking rings into engagement with the wellhead and the hanger.Type: GrantFiled: July 8, 2011Date of Patent: October 6, 2015Assignee: Dril-Quip, Inc.Inventors: Larry E. Reimert, Denise A. M. Antunes, Andrew J. Grohmann, Bruce J. Witwer
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Patent number: 9140092Abstract: A wellhead completion assembly has a head connected to surface casing. A rotatable flange or the like can be used to connect various components to a threaded end of the head. A casing hanger installs in the head, and the hanger's upper end extends beyond the head's top edge. This exposed end has an external threaded connection to connect to various wellhead components using a rotatable flange or the like. For example, a locking ring can threadably connect to the head's threaded end to support the hanger in the head. Then, a rotatable flange can threadably connect to the hanger's exposed end so that another component, such as a completion spool or gate valve, can nippled up directly to the hanger. When the hanger is fluted, a pack-off assembly can allow testing off inner and outer sealing integrity via a test port accessible through an opening in the locking ring.Type: GrantFiled: July 26, 2010Date of Patent: September 22, 2015Assignee: Weatherford Technology Holdings, LLCInventors: Brandon Matthew Cain, Todd Travis, Michael L. Bilyeu, Gordon Ronnie Altman, Steve Willard, Carl Edwin Davidson, Robert Scott Menard
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Patent number: 8590942Abstract: The connected structure includes a plurality of vacuum double pipes and a joint connecting the plurality of vacuum double pipes. Each vacuum double pipe includes an inner pipe and an outer pipe, and a vacuum passage is formed between the inner pipe and the outer pipe. The vacuum passage is open at both ends in an extension direction of the inner pipe and sealed between the both ends. The joint includes an inner pipe joint portion having inner pipe connectors and an outer pipe joint portion having outer pipe connectors. The joint evacuation passage connects the vacuum passages and is sealed between the outer pipe connectors.Type: GrantFiled: March 28, 2011Date of Patent: November 26, 2013Assignees: CKD Corporation, Mirapro Co., Ltd.Inventors: Masayuki Kouketsu, Hiroshi Itafuji, Shinji Hayakawa, Yasushi Kohno
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Patent number: 8328242Abstract: Various novel connectors are provided. In one embodiment, the connector includes a collar configured to receive first and second components. In this embodiment, the connector may also include a load ring configured to be received in a groove of the second component and to move into and out of engagement with the collar when the second component is received by the collar. The connector of this illustrative embodiment may also include a cotter configured for installation to the second component and to inhibit disengagement of the load ring from the collar. In some embodiments, engagement of the load ring and the collar effects securing of the first and second components to one another. Other devices, systems, and methods related to connectors are also disclosed.Type: GrantFiled: January 8, 2009Date of Patent: December 11, 2012Assignee: Cameron International CorporationInventors: Kirk P. Guidry, Dennis P. Nguyen, Joseph R. Wilhelmi, Terry L. Shinn
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Patent number: 8148649Abstract: The present invention concerns a lead-through, especially a cabinet lead-through used in connection with dishwashers. The lead-through has two parts, a body and a cover. Both the body and the cover have part openings forming cylindrical openings when the cover is received on the body. The cylindrical openings formed may e.g. receive tubes for water and wastewater and an electric cable.Type: GrantFiled: October 31, 2007Date of Patent: April 3, 2012Inventor: Stellan Eriksson
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Patent number: 7900706Abstract: A wellhead housing has a bore with a support shoulder, a ramp surface extending upward and outward from the support shoulder, and a recess extending upward from the ramp. A split, resilient load ring is carried in an initial position in the recess. A retractable and axially movable latch ring is carried in the recess above the load ring. A casing hanger has a profile that engages the latch ring as the casing hanger moves downwardly in the bore, causing the latch ring to move downward and pushing the load ring to the set position.Type: GrantFiled: April 21, 2006Date of Patent: March 8, 2011Assignee: Vetco Gray Inc.Inventor: David L. Ford
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Patent number: 7640974Abstract: Spool apparatus for use in an underground well having casing, comprising a body sized for travel in the well casing, the body defining a well fluid flow duct having a downward facing entrance and a sidewardly facing exit, there being a lower connection for coupling the body to lower well pipe to pass fluid into the body via the entrance, and an upper connection for coupling the body to upper carrier structure used for raising and lowering the body in the well casing, and there being means to latch connect the body to the well casing in a position for well fluid delivery from the body via the exit.Type: GrantFiled: April 27, 2005Date of Patent: January 5, 2010Inventor: Herbert W. Hoeptner, III
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Patent number: 7150323Abstract: A wellhead housing has a bore with a support shoulder, a ramp surface extending upward and outward from the support shoulder, and a recess extending upward from the ramp. A split, resilient load ring is carried in an initial position in the recess. A retractable and axially movable latch ring is carried in the recess above the load ring. A casing hanger has a profile that engages the latch ring as the casing hanger moves downwardly in the bore, causing the latch ring to move downward and pushing the load ring to the set position.Type: GrantFiled: July 26, 2005Date of Patent: December 19, 2006Assignee: Vetco Gray Inc.Inventor: David L. Ford
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Patent number: 7040407Abstract: In a subsea wellhead assembly, a collet ring assembly is used with a hanger for suspending a string of conduit in a subsea wellhead assembly. The ring assembly includes a collet that extends around an outer surface of the hanger. The collet has an upper portion that rotates radially between locked and unlocked positions. The ring assembly has a protruding lower portion extending radially outward from the hanger for engaging an interior surface of the wellhead assembly, which causes the upper portion of the collet to rotate radially outward to engage the interior surface of the wellhead assembly in a locked position. The ring assembly includes a back-up ring that engages the interior of the collet, which the collet rotates around between its locked and unlocked positions.Type: GrantFiled: September 5, 2003Date of Patent: May 9, 2006Assignee: Vetco Gray Inc.Inventors: Charles E. Jennings, Alireza Shirani
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Patent number: 7025145Abstract: A pre-tensioning arrangement for inner and outer elongate concentric members includes a load member which is axially movable in an actuating direction relative to the inner member and has an outer surface which tapers in the actuating direction, a laterally expansible ring which is engaged by the load member in an inclined engagement zone during the actuating movement, and an engagement zone between the laterally expansible ring and the outer member, the engagement zones providing a mechanical advantage between the movement of the load member and movement of the outer member.Type: GrantFiled: June 28, 2002Date of Patent: April 11, 2006Assignee: Aker Kvaerner Subsea LimitedInventor: Robert Emmerson
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Patent number: 6905148Abstract: A connector for securing tubular members or conduits in sealed end to end relationship is disclosed. A split ring biased to an unlocked position is carried on the pin connection member in a recess. After the connection is made, the split ring is expanded through a window in the box connection member and locked in place. Alternative embodiments showing a split ring biased to a locked position and a split ring with an articulated joint are shown. A fourth embodiment that allows preloading of the split ring is shown also.Type: GrantFiled: February 3, 2004Date of Patent: June 14, 2005Assignee: Cooper Cameron CorporationInventors: Dennis P. Nguyen, Delbert E. Vanderford, Jr.
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Patent number: 6695356Abstract: A connector for securing tubular members or conduits in sealed end to end relationship is disclosed. A split ring biased to an unlocked position is carried on the pin connection member in a recess. After the connection is made, the split ring is expanded through a window in the box connection member and locked in place. Alternative embodiments showing a split ring biased to a locked position and a split ring with an articulated joint are shown. A fourth embodiment that allows preloading of the split ring is shown also.Type: GrantFiled: November 19, 2001Date of Patent: February 24, 2004Inventors: Dennis P. Nguyen, Delbert E. Vanderford, Jr.
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Patent number: 6609734Abstract: A connector for the connection of pressure vessels utilizing toroidal surfaces to achieve a maximum of contact area sliding parallel to motion of locking segment when achieving high preload to minimize high stress contact points and the resultant wear when subjected to multiple operations and orientation means to cause any wear to be repeatedly in the same area such that selected critical areas will not be subjected to high contact stress wear.Type: GrantFiled: February 11, 2002Date of Patent: August 26, 2003Inventor: Benton F. Baugh
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Patent number: 6609731Abstract: A connector for connecting the lower tubular member of a tie-back to the upper tubular member of a subsea wellhead is disclosed as having a first sleeve carried about the upper member for axial reciprocation with respect thereto and extension over the lower member, and a second sleeve also carried by the upper tubular member for axial reciprocation thereto within the first sleeve. Each of the tubular members has locking grooves formed about its ends, and a normally expanded lock ring has about its ends to engage the grooves, as well as outer cam surfaces carried within inner cam surfaces on the inner sides of the sleeves for radial movement between a normally expanded unlocking position and a contracted locking position, as the sleeves are axially reciprocated in opposite directions with respect response to one another. A fluid operator is formed between the upper portions of the sleeves for moving them in opposite axial directions.Type: GrantFiled: September 17, 2001Date of Patent: August 26, 2003Assignee: 2r.l-QuipInventors: Blake T. DeBerry, Morris B. Wade
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Publication number: 20020096878Abstract: A connector for connecting the lower tubular member of a tie-back to the upper tubular member of a subsea wellhead is disclosed as having a first sleeve carried about the upper member for axial reciprocation with respect thereto and extension over the lower member, and a second sleeve also carried by the upper tubular member for axial reciprocation thereto within the first sleeve. Each of the tubular members has locking grooves formed about its ends, and a normally expanded lock ring has about its ends to engage the grooves, as well as outer cam surfaces carried within inner cam surfaces on the inner sides of the sleeves for radial movement between a normally expanded unlocking position and a contracted locking position, as the sleeves are axially reciprocated in opposite directions with respect response to one another. A fluid operator is formed between the upper portions of the sleeves for moving them in opposite axial directions.Type: ApplicationFiled: September 17, 2001Publication date: July 25, 2002Inventors: Blake T. DeBerry, Morris B. Wade
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Patent number: 6367552Abstract: Initially, a set of locking lugs lock an inner mandrel is locked in position with respect to an outer mandrel. Unlocking the travel joint is accomplished by applying a constant vertical or downward force on the tubing string. That vertical force is transmitted through the tubing string to the outer mandrel, which causes hydraulic pressure with a hydraulic chamber to increase. When the hydraulic pressure exceeds a pressure threshold, a pressure sensitive valve opens, and the hydraulic fluid gradually flows into a reserve hydraulic chamber, allowing the outer mandrel to move with respect to the inner mandrel. A viscosity independent flow restrictor limits the transfer of hydraulic fluid to a preset flow rate. After sufficient hydraulic fluid has been received into the reserve chamber, the outer mandrel aligns with the locking lugs, which then move from the locked position to the unlocked position. The travel joint then releases, allowing the outer mandrel to telescope inward and outward.Type: GrantFiled: November 30, 1999Date of Patent: April 9, 2002Assignee: Halliburton Energy Services, Inc.Inventors: Gordon K. Scott, Philip T. Thomas, Ralph H. Echols, II
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Patent number: RE46241Abstract: A wellhead completion assembly has a head connected to surface casing. A rotatable flange or the like can be used to connect various components to a threaded end of the head. A casing hanger installs in the head, and the hanger's upper end extends beyond the head's top edge. This exposed end has an external threaded connection to connect to various wellhead components using a rotatable flange or the like. For example, a locking ring can threadably connect to the head's threaded end to support the hanger in the head. Then, a rotatable flange can threadably connect to the hanger's exposed end so that another component, such as a completion spool or gate valve, can nippled up directly to the hanger. When the hanger is fluted, a pack-off assembly can allow testing off inner and outer sealing integrity via a test port accessible through an opening in the locking ring.Type: GrantFiled: March 26, 2014Date of Patent: December 20, 2016Assignee: Weatherford Technology Holdings, LLCInventors: Brandon Matthew Cain, Todd Travis, Michael L. Bilyeu, Gordon Ronnie Altman, Steve Willard, Carl Edwin Davidson, John Rogers, Robert Scott Menard