Organic Component Contains Fluorine Bonded Directly To Carbon Patents (Class 507/205)
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Publication number: 20120067576Abstract: Of the many methods provided herein, an example is a method including: providing a treatment fluid that comprises: an aqueous base fluid; a hydrofluoric acid source selected from the group consisting of hydrofluoric acid, a hydrofluoric acid generating compound, and a combination thereof; and a biodegradable chelating agent comprising one of the following selected from the group consisting of: glutamic acid diacetic acid, a glutamic acid diacetic acid salt, a derivative thereof, and a combination thereof; and introducing the treatment fluid into at least a portion of a subterranean formation.Type: ApplicationFiled: March 18, 2011Publication date: March 22, 2012Applicant: Halliburton Energy Services, Inc.Inventors: Enrique A. Reyes, Thomas D. Welton
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Patent number: 8138127Abstract: The present invention includes a method of treating a hydrocarbon-bearing clastic formation having non-connate water by contacting the hydrocarbon-bearing clastic formation with a composition that includes a solvent and a nonionic fluorinated polymeric surfactant wherein the solvent at least partially displaces or solubilizes the water in the formation.Type: GrantFiled: December 30, 2007Date of Patent: March 20, 2012Assignees: Board of Regents, The University of Texas, 3M Innovative Properties CompanyInventors: Gary A. Pope, Jimmie R. Baran, Jr., Vishal Bang, John D. Skildum, Mukul M. Sharma
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Publication number: 20120055668Abstract: A method of treating a hydrocarbon-bearing formation that includes receiving data comprising a temperature and a brine composition of the hydrocarbon-bearing formation; selecting a treatment composition for the hydrocarbon-bearing formation comprising a fluorinated compound and solvent, wherein, at the temperature, a mixture of an amount of the brine composition and the treatment composition separates into at least two separate transparent liquid layers, and wherein the mixture is free of precipitated solid; and contacting the hydrocarbon-bearing formation with the treatment composition. Compositions containing certain fluorinated polymers and solvents containing water, monohydroxy alcohols, and ketones are also disclosed.Type: ApplicationFiled: May 11, 2009Publication date: March 8, 2012Inventors: Yong K. Wu, Rudolf J. Dams, Steven J. Martin, Wayne W. Fan
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Publication number: 20120053252Abstract: The present invention comprises fluorinated ethoxylated polyurethanes of formula [Rf—(X)n—(CH2CHR1—O)m—CH2CH2—O—C(O)—NH]p-A, wherein Rf is a C1 to C6 perfluoroalkyl; X is a divalent radical; n is 0 or 1; R1 is H or C1 to C4 alkyl; m is 1 to 20; p is a positive integer of at least 2; and A is the residue of a polyisocyanate, and methods for altering surface behavior of liquids using such compounds.Type: ApplicationFiled: August 27, 2010Publication date: March 1, 2012Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Michael Henry Ober, Kathleen L. Kanetsky, Allison Mary Yake
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Patent number: 8043998Abstract: The present invention includes compositions and methods of treating a hydrocarbon-bearing formation, the formation having at least one fracture, by contacting the fracture with a composition that includes a solvent and a nonionic fluorinated polymeric surfactant, wherein the composition interacts with at least a portion of the proppants in the fracture.Type: GrantFiled: December 30, 2007Date of Patent: October 25, 2011Assignees: Board of Regents, The University of Texas System, 3M Innovative Properties CompanyInventors: Gary A. Pope, Jimmie R. Baran, Jr., John Skildum, Vishal Bang, Mukul M. Sharma
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Publication number: 20110247823Abstract: Method comprising contacting a hydrocarbon-bearing formation with a composition comprising solvent and a fluoropolyether compound. The fluoropolyether compound: is represented by formula Rf—[C(0)—NR1—X?—(Z)m]n; or comprises at least one first divalent unit represented by formula (I) and, at least one of, a second divalent unit comprising a pendant Z group; or a monovalent unit comprising a thioether linkage and at least one terminal Z group. Each Rf is independently a fluoropolyether group. Rf is a monovalent or divalent fluoropolyether group, and each Z group is independently —P(O)(OY)2 or —O—P(O)(OY)2. Hydrocarbon-bearing formations treated according to this method are also disclosed.Type: ApplicationFiled: December 14, 2009Publication date: October 13, 2011Inventors: Rudolf J. Dams, Jimmier R. Baran, JR., Yong K. Wu
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Publication number: 20110247822Abstract: Method comprising contacting a hydrocarbon-bearing formation with a composition comprising solvent and a fluoropolyether compound, wherein the fluoropolyether compound comprises at least one first divalent unit represented by formula: Each Rf is independently selected from the group consisting of Rfa—(O)t—CHL?-(CF2)n—; [Rfa—(O)t—C(L)H—CF2)—O]m—W—; Rfb—O—(CF2)p-; F(CkF2k)—(O—CkF2K(p—O—CF2—; and CF3—O—(CF2)3—OCF(CF3)—CF2)z—O-L1-. Treated hydrocarbon-bearing formations are also disclosed.Type: ApplicationFiled: December 17, 2009Publication date: October 13, 2011Inventor: Rudolf J. Dams
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Publication number: 20110201531Abstract: A method of treating a hydrocarbon-bearing formation with a fluorinated epoxide and a treated hydrocarbon-bearing formation. A method of making proppants is also disclosed, which includes combining a plurality of particles with a fluorinated epoxide. The particles comprise at least one of sand, resin-coated sand, ceramic, thermoplastic, clay, bauxite, nut or seed shells, fruit pits, or wood. A particle treated with a ring-opened product of a fluorinated epoxide is also disclosed, wherein the particle comprises one of sand, resin-coated sand, ceramic, thermoplastic, clay, bauxite, nut or seed shells, fruit pits, or wood.Type: ApplicationFiled: May 20, 2009Publication date: August 18, 2011Applicants: Board of Regents, The University of Texas System, 3M Innovative Properties CompanyInventors: Mukul M. Sharma, Gary A. Pope, Steven J. Martin, Rudolf J. Dams, Xai-Ming Qui
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Publication number: 20110177983Abstract: Fluorinated polymers having first divalent units independently represented by formula (I) or formula (II) and second divalent units containing quaternary ammonium groups. Compositions containing the fluorinated polymer and solvent, methods of treating hydrocarbon-bearing formations using these compositions, and articles treated with the fluorinated polymers are disclosed. A method of making a composition containing the fluorinated polymer is also disclosed.Type: ApplicationFiled: July 15, 2009Publication date: July 21, 2011Inventors: Jimmie R. Baran, JR., George G.I. Moore
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Publication number: 20110136704Abstract: Methods of treating articles using a compound represented by formula: (I) wherein each of X and Y is independently a thiol, a halogen, a hydrogen, a hydroxyl, a hydroalkyl, a carboxylic acid, an aldehyde, a carboxylic ester, or a carboxamide; R? is hydrogen, alkyl, or aryl; and x and y are each independently 0 to 10, wherein x+y is at least 1 and articles treated by such methods. In some embodiments, the article is a hydrocarbon-bearing formation. In some embodiments, the article is a particle, and the method further comprises treating the article with a fluorochemical comprising at least one fluoroaliphatic segment and at least one hydrophilic segment. In some embodiments, the method is used to treat a well bore.Type: ApplicationFiled: May 20, 2009Publication date: June 9, 2011Applicants: Board of Regents, The University of Texas System, 3M Innovative Properties CompanyInventors: Mukul M. Sharma, Steven J. Martin, Zai-Ming Qiu
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Publication number: 20110124532Abstract: Fluorinated compounds represented by formula Rf-Q-X—[Si(R)f(R1)3-f]g. Each Rf is independently a partially fluorinated or fully fluorinated group selected from Rfa-(O)r-CHF—(CF2)n-; [Rfb-(O)t-C(L)H—CF2—O]m-W—; CF3CFH—O—(CF2)p-; CF3—(O—CF2)z-; and CF3—O—(CF2)3—O—CF2—. Methods of treating a surface or a hydrocarbon-bearing formation using the fluorinated compounds and treated articles and treated hydrocarbon-bearing formations are also disclosed.Type: ApplicationFiled: July 16, 2009Publication date: May 26, 2011Inventors: Andreas R. Maurer, Harald Kaspar, Kai H. Lochhaas, Michael Juergens, Michael S. Terrazas, Miguel A. Guerra, Rudolf J. Dams, Tilman C. Zipplies, Zai-Ming Qiu, Klaus Hintzer, Werner Schwertfeger
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Publication number: 20110092395Abstract: A fluorinated pyridinium cationic compound of formula (I) wherein, Rf is F(CF2)6(CH2CF2)m(CH2CH2)n—, m and n are each independently integers of 1 to 3, and R is H, C1 to C5 linear or branched alkyl, or C1 to C5 linear or branched alkoxy, having surfactant properties for lowering surface tension in an aqueous medium or solvent medium, and for use as a foaming agent.Type: ApplicationFiled: October 15, 2009Publication date: April 21, 2011Applicant: E. I. DUPONT DE NEMOURS AND COMPANYInventors: Sheng Peng, Allison Mary Yake, Cheryl Lynn Casper
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Publication number: 20110092394Abstract: A composition comprising a fluorinated pyridinium cationic compound of formula (I) wherein Rf is R1(CH2CH2)n—, R1 is a C7 to C20 perfluoroalkyl group interrupted by at least one catenary oxygen atom, each oxygen bonded to two carbon atoms, n is an integer of 1 to 3, and R is H, C1 to C5 linear or branched alkyl, or C1 to C5 linear or branched alkoxy, having surfactant properties for lowering surface tension in an aqueous medium or solvent medium, and for use as a foaming agent.Type: ApplicationFiled: October 15, 2009Publication date: April 21, 2011Applicant: E. I. DUPONT DE NEMOURS AND COMPANYInventors: Sheng Peng, Allison Mary Yake, Cheryl Lynn Casper
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Publication number: 20110053810Abstract: The present invention relates to fluids useful for subterranean operations, and more particularly, to fluorosurfactants useful for the reduction of water blocks, gas blocks, and/or gas condensates and their associated treatment fluids and methods. Provided is a method of treating a subterranean formation. The method may comprise contacting the subterranean formation with a fluorosurfactant. The fluorosurfactant may comprise an amine group, wherein the amine group comprises at least one substituent selected from the group consisting of a fluoroalkyl group, a fluoroalkenyl group, and combinations thereof, wherein the at least one substituent comprises about 3 carbons to about 22 carbons. Also provided are polymeric surfactants and treatment fluids that comprise fluorosurfactants.Type: ApplicationFiled: September 3, 2009Publication date: March 3, 2011Applicant: HALLIBURTON ENERGY SERVICES, INC.Inventors: Lewis R. Norman, Rajesh K. Saini
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Patent number: 7855169Abstract: The present invention includes composition having a nonionic, fluorinated polymeric surfactant, water and solvent. Embodiments of compositions according to the present invention are useful, for example, for recovering hydrocarbons from subterranean clastic formations.Type: GrantFiled: June 30, 2010Date of Patent: December 21, 2010Assignees: Board of Regents, The University of Texas System, 3M Innovative Properties CompanyInventors: Gary A. Pope, Mukul M. Sharma, Viren Kumar, Jimmie R. Baran, Jr.
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Publication number: 20100307831Abstract: The present invention relates to a well drilling, completion or workover fluid wherein the continuous phase of the fluid essentially consists of a liquid fluorinated compound. In a variant, the liquid fluorinated compound is a perfluorinated compound.Type: ApplicationFiled: August 17, 2010Publication date: December 9, 2010Inventors: David Pasquier, Alain Driancourt, Annie Audibert
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Publication number: 20100270021Abstract: A method of treating a hydrocarbon-bearing formation and treated hydrocarbon-bearing formations. The method includes contacting the hydrocarbon-bearing formation with a composition having solvent and a fluorinated polymer. The fluorinated polymer has units having formula (I): A method for making a composition containing these units is also disclosed.Type: ApplicationFiled: December 18, 2008Publication date: October 28, 2010Inventors: Jimmie R. Baran, JR., Michael S. Terrazas, Rudolf J. Dams, George G.I. Moore
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METHODS FOR TREATING HYDROCARBON-BEARING FORMATIONS WITH FLUORINATED ANIONIC SURFACTANT COMPOSITIONS
Publication number: 20100270020Abstract: Methods of treating a hydrocarbon-bearing formation having brine and liquid hydrocarbons and treated hydrocarbon-bearing formations. The methods include contacting the hydrocarbon-bearing formation with a composition comprising solvent and a fluorinated anionic surfactant. In some embodiments, the solvent solubilizes the brine in the hydrocarbon-bearing formation without causing the fluorinated anionic surfactant to precipitate. In some embodiments, the solvent includes at least one of a polyol or polyol ether independently having from 2 to 25 carbon atoms and at least one of water, a monohydroxy alcohol, an ether, or a ketone, wherein the monohydroxy alcohol, the ether, and the ketone each independently have up to 4 carbon atoms.Type: ApplicationFiled: December 18, 2008Publication date: October 28, 2010Inventors: Jimmie R. Baran, Jr., Michael S. Terrazas, Rudolf J. Dams -
Patent number: 7772162Abstract: The present invention includes composition having a nonionic, fluorinated polymeric surfactant, water and solvent. Embodiments of compositions according to the present invention are useful, for example, for recovering hydrocarbons from subterranean elastic formations.Type: GrantFiled: August 4, 2008Date of Patent: August 10, 2010Assignees: Board of Regents, The University of Texas System, 3M Innovative Properties CompanyInventors: Gary A. Pope, Mukul M. Sharma, Viren Kumar, Jimmie R. Baran
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Publication number: 20100197526Abstract: An aqueous slurry composition for use in industries such as the petroleum and pipeline industries includes a particulate, an aqueous liquid and a chemical compound that renders the particulate surface extremely hydrophobic. The slurry is produced by rendering the surface of the particulate extremely hydrophobic during or before making the slurry.Type: ApplicationFiled: April 13, 2010Publication date: August 5, 2010Inventor: Kewei Zhang
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Publication number: 20100167964Abstract: The present invention includes a method of treating a hydrocarbon-bearing clastic formation having non-connate water by contacting the hydrocarbon-bearing clastic formation with a composition that includes a solvent and a nonionic fluorinated polymeric surfactant wherein the solvent at least partially displaces or solubilizes the water in the formation.Type: ApplicationFiled: December 30, 2007Publication date: July 1, 2010Applicants: BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM, 3M INNOVATIVE PROPERTIES COMPANYInventors: Gary A. Pope, Jimmie R. Baran, JR., Vishal Bang, John D. Skildum, Mukul M. Sharma
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Publication number: 20100167965Abstract: Methods and compositions for forming a hydraulic fracture are disclosed herein. The methods and compositions make use of novel amphiphobic proppants. The amphiphobic properties of the disclosed proppant compositions provide several advantages over existing solutions. The hydrophobic nature of the proppant enhances recovery of fracture fluid from the fracture as well as prevents liquid build-up with the fracture. Additionally, the lipophobic nature of the proppant may enhance production of hydrocarbons from the fracture.Type: ApplicationFiled: December 17, 2009Publication date: July 1, 2010Applicant: BP CORPORATION NORTH AMERICA INC.Inventors: Herbert M. Sebastian, Mark D. Glover, Philip S. Smith
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Publication number: 20100137169Abstract: The present invention includes compositions and methods of treating a hydrocarbon-bearing formation, the formation having at least one fracture, by contacting the fracture with a composition that includes a solvent and a nonionic fluorinated polymeric surfactant, wherein the composition interacts with at least a portion of the proppants in the fracture.Type: ApplicationFiled: December 30, 2007Publication date: June 3, 2010Applicants: BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM, 3M INNOVATIVE PROPERTIES COMPANYInventors: Gary A. Pope, Jimmie R. Baran, JR., Vishal Bang, John D. Skildum, Mukul M. Sharma
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Publication number: 20100113308Abstract: Hydrocarbon fluid compositions comprising a liquid hydrocarbon, an aluminum soap, a hydrocarbon foaming agent and a gas. The fluids can be used in various oil field operations.Type: ApplicationFiled: November 5, 2009Publication date: May 6, 2010Inventors: Kewei Zhang, Bill O'Neil, Darren Maley
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Publication number: 20100016181Abstract: Biphenylmono- and polysulphonic acids and salts thereof, fluorenemono- and polysulphonic acids and salts thereof as well as p-terphenylmono- and polysulphonic acids and salts thereof may be used successfully as tracers for surveying, monitoring and/or measuring movements of aqueous fluids in aqueous and/or non-aqueous media. Said substances are especially suited for surveying or monitoring movements of fluids in oil wells or reservoirs as well as for fluid movements in hydrothermal reservoirs.Type: ApplicationFiled: June 19, 2007Publication date: January 21, 2010Inventor: Helge Stray
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Patent number: 7629298Abstract: Methods for modifying the wettability of sandstone. Compositions comprising sandstone having a modified wettability. Such wettability modifications may be useful, for instance, in improving the well-deliverability of an oil and/or gas well located in a sandstone formation.Type: GrantFiled: January 11, 2008Date of Patent: December 8, 2009Assignee: 3M Innovative Properties CompanyInventors: Manuel J. Arco, Rudolf J. Dams
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Publication number: 20090298720Abstract: The present invention provides methods to maintain fracture conductivity in subterranean formations. In one embodiment, the methods comprise: providing a first treatment fluid, a second treatment fluid, and a consolidating agent; injecting the first treatment fluid into the subterranean formation at a pressure sufficient to create one or more fractures in the subterranean formation; injecting the second treatment fluid into the subterranean formation to increase the permeability of at least a portion of the subterranean formation comprising at least a portion of the one or more fractures; and injecting the consolidating agent into a portion of the subterranean formation in an amount sufficient to at least partially stabilize at least a portion of the subterranean formation.Type: ApplicationFiled: May 27, 2008Publication date: December 3, 2009Inventors: Philip D. Nguyen, Jimmie D. Weaver
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Publication number: 20090281002Abstract: A method of removing and preventing water and condensate blocks in wells by contacting a subterranean formation with a composition comprising a low molecular weight fluorinated copolymer having perfluoro alkyl moieties which are no longer than C6.Type: ApplicationFiled: May 8, 2009Publication date: November 12, 2009Applicant: E. I. du Pont de Nemours and CompanyInventor: Cheryl Lynn Casper
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Publication number: 20090260828Abstract: A method of treating a shale-containing subterranean formation penetrated by a wellbore is accomplished by forming a carbon dioxide treatment fluid having a viscosity of less than about 10 mPa-s at a shear rate of about 100 s?1. The carbon dioxide treatment fluid is introduced into the formation through the wellbore at a pressure above the fracture pressure of the formation. In certain embodiments, the treatment fluid may be comprised of from about 90% to 100% by weight carbon dioxide and may contain a proppant. A method of treating hydrocarbon-bearing, shale-containing subterranean formation penetrated by a wellbore may also be carried out by forming a carbon dioxide treatment fluid and introducing the carbon dioxide treatment fluid into the formation through the wellbore at a pressure above the fracture pressure of the formation. The formation being treated may have a permeability of less than 1 mD.Type: ApplicationFiled: April 16, 2008Publication date: October 22, 2009Inventors: Gregory Kubala, Bruce A. MacKay
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Patent number: 7595281Abstract: The invention provides a method of treating a subterranean formation penetrated by a wellbore, the method comprising the steps of: (a) mixing a particulate and an active material to obtain an at least partially coated particulate, wherein: (i) water forms a contact angle of less than 90 degrees with a surface of the particulate, (ii) the active material is capable of forming a coating on the particulate, (iii) the active material forms a contact angle less than 90 degrees with the particulate, and (iv) water forms a contact angle of greater than 90 degrees with a layer of the active material; (b) mixing the at least partially coated particulate and a carrier fluid to obtain a treatment fluid; and (c) introducing the treatment fluid into the subterranean formation through the wellbore to deposit the at least partially coated particulate into the subterranean formation.Type: GrantFiled: May 18, 2005Date of Patent: September 29, 2009Assignee: Halliburton Energy Services, Inc.Inventors: Billy W. McDaniel, Billy F. Slabaugh, Lyle V. Lehman, Jimmie D. Weaver
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Patent number: 7585817Abstract: Compositions comprise nonionic fluorinated polymeric surfactants and solvent. The solvent comprises: at least one of a polyol or polyol ether, wherein the polyol and polyol ether have from 2 to 25 carbon atoms; and at least one monohydroxy alcohol, ether, or ketone having from 1 to 4 carbon atoms, or a mixture thereof, wherein the solvent is capable of at least one of solubilizing or displacing brine or condensate in the hydrocarbon-bearing clastic formation. Embodiments of the compositions are useful in recovery of hydrocarbons from hydrocarbon-bearing clastic formations that contain brine and/or condensate.Type: GrantFiled: August 22, 2007Date of Patent: September 8, 2009Assignees: Board of Regents, The University of Texas System, 3M Innovative Properties CompanyInventors: Gary A. Pope, Jimmie R. Baran, Jr.
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Publication number: 20090192054Abstract: In a method of treating a sandstone-containing formation penetrated by a wellbore, a treatment fluid comprising an aqueous fluid containing a Bronsted acid, a hydrogen fluoride source and an organic acid or salt thereof that is substantially soluble in the aqueous fluid is formed. The treatment fluid contains less than about 2% of fluoride (F?) by weight of the fluid and from 2% or less of sodium (Na+) by weight of the fluid. The treatment fluid is introduced into the formation through the wellbore as a single-stage without introducing an acid-containing fluid preflush into the formation prior to introducing the treatment fluid.Type: ApplicationFiled: January 24, 2008Publication date: July 30, 2009Inventors: Wayne W. Frenier, Diankui Fu, Stephen Nigel Davies, Murtaza Ziauddin, Zhijun Xiao, Bruno Lecerf, Helene Bulte
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Publication number: 20090163388Abstract: The present invention provides variable density fluid compositions and methods for using such compositions in a subterranean formation. One exemplary embodiment of the variable density fluid compositions of the present invention comprises a variable density fluid comprising: a base fluid, and a portion of variable pressure weighting material particles.Type: ApplicationFiled: December 23, 2008Publication date: June 25, 2009Inventors: B. Raghava Reddy, Krishna Ravi, Michael Szymanski, Dale Jamison, Donald Whitfill
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Publication number: 20090156432Abstract: Of the many methods and compositions provided herein, one method includes a method comprising contacting a metal surface with an acidic fluid comprising an aqueous base-fluid, an acid, a corrosion inhibitor, and a corrosion inhibitor intensifier composition comprising a compound that corresponds to a formula R1R2XCCOOH, wherein X is a halogen, R1 comprises at least one group selected from the group consisting of a C1-C20 alkyl group, a C3-C20 cycloalkyl group, a C1-C20 oxyalkyl, and a C6-C20 aryl group, and R2 comprises at least one group selected from the group consisting of a C1-C20 alkyl group, a C3-C20 cycloalkyl group, a C1-C20 oxyalkyl, and a C6-C20 aryl group.Type: ApplicationFiled: December 12, 2007Publication date: June 18, 2009Inventors: Juanita M. Cassidy, Chad E. Kiser, J. Michael Wilson
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Patent number: 7514391Abstract: A composition and method for removing a filter cake from a horizontal wellbore in a subterranean formation using a composition containing a inorganic or organic acidic material, a cationic fluorocarbon surfactant, an alkyl alcohol, water optionally containing ammonium chloride and at least one of an alkyl polyglycoside and a betaine surfactant to produce a stable foam used to remove filter cake from a horizontal wellbore.Type: GrantFiled: February 21, 2008Date of Patent: April 7, 2009Assignee: Conocophillips CompanyInventor: Albert F. Chan
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Patent number: 7514390Abstract: A composition and method for removing a filter cake from a horizontal wellbore in a subterranean formation using a composition containing a inorganic or organic acidic material, a cationic fluorocarbon surfactant, an alkyl alcohol, water optionally containing ammonium chloride and at least one of an alkyl polyglycoside and a betaine surfactant to produce a stable foam used to remove filter cake from a horizontal wellbore.Type: GrantFiled: December 28, 2004Date of Patent: April 7, 2009Assignee: ConocoPhillips CompanyInventor: Albert F. Chan
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Publication number: 20090062155Abstract: The present invention includes composition having a nonionic, fluorinated polymeric surfactant, water and solvent. Embodiments of compositions according to the present invention are useful, for example, for recovering hydrocarbons from subterranean elastic formations.Type: ApplicationFiled: August 4, 2008Publication date: March 5, 2009Applicants: BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM, 3M INNOVATIVE PROPERTIES COMPANYInventors: Gary A. Pope, Mukul M. Sharma, Viren Kumar, Jimmie R. Baran, JR.
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Publication number: 20090025934Abstract: A system includes a wellbore in fluid communication with a formation of interest and a fracturing slurry include a carrier fluid with a low amount of a viscosifier, an amount of proppant including a first average particle size between about 200 and 2000 ?m, an amount particulates including a second average particle size between about three and ten times smaller than the first average particle size, and a third amount of particulates having a third average particle size smaller than the second average particle size. A sum of all of the particulates in the fracturing slurry exceed about 16 pounds per gallon of the carrier fluid. They system further includes a pumping device that creates a propped fracture in the formation of interest with the fracturing slurry, and a removal agent that removes the second amount of particulates and/or the third amount of particulates from the propped fracture.Type: ApplicationFiled: July 16, 2008Publication date: January 29, 2009Inventors: Ryan Hartman, Mohan K.R. Panga, Bruno Drochon, John W. Still
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Publication number: 20080257553Abstract: A method for treating solid materials is disclosed, where the treating compositions coats surfaces or portions of surfaces of the solid materials changing an aggregation or agglomeration propensity of the materials. Treated solid materials are also disclosed. The methods and treated materials are ideally suited for oil field applications.Type: ApplicationFiled: May 6, 2008Publication date: October 23, 2008Inventors: Larry W. Gatlin, Frank Zamora, Jim Venditto, Sarkis Kakadjian Ranka
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Publication number: 20080171669Abstract: A composition and method for removing a filter cake from a horizontal wellbore in a subterranean formation using a composition containing a inorganic or organic acidic material, a cationic fluorocarbon surfactant, an alkyl alcohol, water optionally containing ammonium chloride and at least one of an alkyl polyglycoside and a betaine surfactant to produce a stable foam used to remove filter cake from a horizontal wellbore.Type: ApplicationFiled: February 21, 2008Publication date: July 17, 2008Inventor: Albert F. Chan
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Patent number: 6729409Abstract: A method for fracturing subterranean formations surrounding oil and gas wells using a fracturing fluid consisting of a foam constituted by a liquid phase and a gaseous phase. The liquid phase has a foam forming substance dissolved therein. The foam forming substance is preferably a surfactant such as a non-ionic hydrofluoroether surfactant. The liquid phase is preferably CO2 and the gaseous phase N2.Type: GrantFiled: October 5, 2001Date of Patent: May 4, 2004Inventors: D. V. Satyanarayana Gupta, Ronald G. Pierce, Cheryl L. Senger Elsbernd
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Publication number: 20030083448Abstract: The present invention provides a water-soluble and shelf-stable aqueous fluorochemical polymeric treatment useful to treat porous substrates to render them repellent to water- and oil-based stains. The treatment comprises a water-soluble or dispersible fluorochemical polymer containing only carbon atoms in the backbone, with a plurality of each of the following groups pendent from the backbone: (a) fluoroaliphatic groups, (b) carboxyl-containing groups, (c) silyl groups and optionally (d) other non-hydrophilic groups.Type: ApplicationFiled: August 23, 2001Publication date: May 1, 2003Applicant: 3M Innovative Properties CompanyInventors: Wayne W. Fan, Steven J. Martin
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Patent number: 6509300Abstract: A fracturing fluid is disclosed consisting of an emulsion having a continuous phase of a liquified gas, a discontinuous phase of a hydrocarbon, and a surfactant soluble in the two phases. The surfactant is preferably a hydrofluoroether.Type: GrantFiled: December 23, 1999Date of Patent: January 21, 2003Assignee: B.J Services CompanyInventor: D. V. Satyanarayana Gupta
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Patent number: 6069117Abstract: The present invention provides improved foamed hardenable epoxy resin sealing compositions and methods which are particularly useful in the construction and repair of wells. The foamed epoxy resin compositions are corrosion resistant and have improved mechanical properties including elasticity and ductility.Type: GrantFiled: August 20, 1999Date of Patent: May 30, 2000Assignee: Halliburton Energy Services, Inc.Inventors: David D. Onan, Jiten Chatterji, Roger S. Cromwell
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Patent number: 5556832Abstract: A solids-free, essentially all-oil wellbore fluid comprises (a) an organic fluid having (i) a melting point less than about 20.degree. C. (about 68.degree. F.), (ii) a flash point greater than about 54.4.degree. C. (about 130.degree. F.), and (iii) a dipole moment greater than 0 debye (D), and (b) a salt dissolved in the organic fluid. The wellbore fluid is employed in well drilling, completion, and work-over operations.Type: GrantFiled: September 21, 1992Date of Patent: September 17, 1996Assignee: Union Oil Company of CaliforniaInventor: Donald C. Van Slyke
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Patent number: 5529122Abstract: A method for acidizing a subterranean formation wherein a specific foam is used to block flow through the higher-permeable zones of the formation while the acid is being injected therein. The foam is generated from a surfactant solution comprised of a blend of surfactants comprised of a nonionic primary surfactant (e.g. ethoxylated alcohol or polyglycosides) a cationic co-surfactant (e.g. fluorinated quaternary ammonium chloride). A polymer (e.g. polysaccharides or partially hydrolyzed polyacrylamide) may be added to the surfactant solution to enhance the foam mobility reduction and a co-solvent (e.g. polyol) may be added if necessary to maintain the surfactant/polymer complex in solution.Type: GrantFiled: December 15, 1994Date of Patent: June 25, 1996Assignee: Atlantic Richfield CompanyInventor: Sophany Thach