Inorganic Component Contains Phosphorous Patents (Class 507/142)
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Patent number: 8901048Abstract: A method for drilling through a producing zone in a subterranean formation or for completing a wellbore in a subterranean formation, using a drill-in and completion fluid comprising a blend of a phosphate brine and water.Type: GrantFiled: February 11, 2013Date of Patent: December 2, 2014Assignee: Halliburton Energy Services, Inc.Inventors: Natalia Collins, Carl Thaemlitz
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Patent number: 8703658Abstract: A drilling fluid comprising: a non-ionic surfactant including: a branched alcohol ethoxylate and/or a capped alcohol ethoxylate; and a detergent builder.Type: GrantFiled: June 28, 2011Date of Patent: April 22, 2014Assignee: Canadian Energy Services L.P.Inventor: Carl Keith Smith
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Publication number: 20130210683Abstract: A method for for drilling through a producing zone in a subterranean formation or for completing a wellbore in a subterranean formation, using a drill-in and completion fluid comprising a blend of a phosphate brine and water.Type: ApplicationFiled: February 11, 2013Publication date: August 15, 2013Applicant: HALLIBURTON ENERGY SERVICES, INC.Inventor: Halliburton Energy Services, Inc.
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Publication number: 20130178399Abstract: Methods relate to using phosphate and/or nitrate brines to reduce hydrate formation in flowlines under conditions conducive for hydrate formation in the absence of the phosphate and/or nitrate brine. The phosphate and/or nitrate brines may include compatible anti-corrosion additives.Type: ApplicationFiled: January 11, 2012Publication date: July 11, 2013Applicant: Clearwater International, LLCInventors: Olusegun Matthew Falana, Michael Morrow, Frank G. Zamora
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Patent number: 8338340Abstract: A drilling fluid comprising: a non-ionic surfactant including at least one of a branched alcohol ethoxylate and a capped alcohol ethoxylate, a detergent builder and a viscosifier.Type: GrantFiled: July 28, 2011Date of Patent: December 25, 2012Assignee: Tech-Star Fluid Systems Inc.Inventors: Stefan Alexandru Stoian, Carl Keith Smith
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Publication number: 20120322694Abstract: A base fluid may contain nanoparticles where the base fluid may include a non-aqueous fluid, an aqueous fluid, and combinations thereof. The fluid may have a resistivity range of from about 0.02 ohm-m to about 1,000,000 ohm-m. The non-aqueous fluid may be a brine-in-oil emulsion, or a water-in-oil emulsion; and the aqueous fluid may be an oil-in-water emulsion, or an oil-in-brine emulsion; and combinations thereof. The addition of nanoparticles to the base fluid may improve or increase the electrical conductivity and other electrical properties of the fluid. The fluid may be a drilling fluid, a completion fluid, a production fluid, and/or a stimulation fluid.Type: ApplicationFiled: July 10, 2012Publication date: December 20, 2012Applicant: BAKER HUGHES INCORPORATEDInventors: Othon Rego Monteiro, Jonathan J. Brege, Lirio Quintero, Soma Chakroborty, Ashley D. Leonard, Chad F. Christian
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Publication number: 20120295820Abstract: Phosphate brines are disclosed having reduced corrosive ratings. The phosphate brines include an additive system that reduces the corrosiveness of the phosphate brines compared to the phosphate brines in the absence of the additive system.Type: ApplicationFiled: May 17, 2011Publication date: November 22, 2012Applicant: CLEARWATER INTERNATIONAL, LLCInventors: Olusegun Matthew Falana, Edward C. Marshall, Frank Zamora
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Publication number: 20120157355Abstract: A drill-in and completion fluid for drilling through a producing zone in a subterranean formation or for completing a wellbore in a subterranean formation. The fluid comprises a blend of a phosphate brine and water.Type: ApplicationFiled: December 17, 2010Publication date: June 21, 2012Applicant: HALLIBURTON ENERGY SERVICES, INC.Inventors: Natalia Collins, Carl Thaemlitz
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Patent number: 8124571Abstract: An underground formation is consolidated by (a) incorporating into a treatment fluid (i) at least one chemical substance which is capable of undergoing a chemical change that alters the physico-chemical environment of the treatment fluid and which is a bicarbonate or a compound that generates a phosphate, phosphoric acid, sulphate, sulphuric acid, hydrogen sulphide, S2?, carbon dioxide, bicarbonate, base or acid; and, optionally, (ii) at least one additional chemical substance selected from salts and complexes of metals having a valency of 2 or higher; introducing the treatment fluid into the formation; and allowing the chemical substance (i), alone or in combination with the optional chemical substance (ii), to undergo a chemical change that alters the physico-chemical environment of the treatment fluid such that a consolidating mineral is deposited in the underground formation.Type: GrantFiled: October 6, 2005Date of Patent: February 28, 2012Assignee: Cleansorb LimitedInventors: Ralph Edmund Harris, Ian Donald McKay
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Patent number: 8006761Abstract: A wellbore fluid comprising a base fluid and a particulate bridging agent comprised of a sparingly water-soluble material selected from the group consisting of melamine (2,4,5-triamino-1,3,5-triazine), lithium carbonate, lithium phosphate (Li3PO4), and magnesium sulfite.Type: GrantFiled: November 10, 2010Date of Patent: August 30, 2011Assignee: BP Exploration Operating Company LimitedInventors: Simon Neil Duncum, Christopher Alan Sawdon
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Patent number: 7989399Abstract: A drilling fluid comprising: a non-ionic surfactant including at least one of a branched alcohol ethoxylate and a capped alcohol ethoxylate, a detergent builder and a viscosifier.Type: GrantFiled: February 4, 2008Date of Patent: August 2, 2011Assignee: Techstar Energy Services Inc.Inventors: Stefan Alexandru Stoian, Carl Keith Smith
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Publication number: 20110124531Abstract: Improved compounds and methods for applications in the oil and gas industry are obtained by the disclosed compositions of phosphate salts. These salts have characteristics beneficial to the oil and gas industry for completion fluids, killing fluids, work-over fluids, drilling fluids and packer fluids. These features include high density (up to SG 2.50), low corrosiveness, stability, not subject to disturbance from formation reaction, not prone to precipitate, environmentally sound, capable of buffering pH, and the disclosed formulation is easy to mix in the field with the capability of increasing the density of existing completion fluids used.Type: ApplicationFiled: February 3, 2011Publication date: May 26, 2011Applicant: PT. GREENTECH INDONESIAInventor: Hendra Budiman
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Publication number: 20110056683Abstract: A wellbore fluid comprising a base fluid and a particulate bridging agent comprised of a sparingly water-soluble material selected from the group consisting of melamine (2,4,5-triamino-1,3,5-triazine), lithium carbonate, lithium phosphate (Li3PO4), and magnesium sulfite.Type: ApplicationFiled: November 10, 2010Publication date: March 10, 2011Inventors: Simon Neil Duncum, Christopher Alan Sawdon
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Publication number: 20110053809Abstract: A method of treating a formation that includes exposing a region of the formation occupied by a hydrolysable gel to a hydrolyzing agent; and allowing sufficient time for the hydrolyzing agent to hydrolyze the gel. Various methods may also include the use of a swelling agent to allow for expansion of the gel.Type: ApplicationFiled: January 15, 2009Publication date: March 3, 2011Applicants: M-I L.L.C., M-I DRILLING FLUIDS UK LIMITEDInventors: Mark Sanders, David Antony Ballard, Arvind D. Patel, Jason T. Scorsone
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Patent number: 7854277Abstract: Wellbore fluid containing a base fluid and a particulate bridging agent comprised of melamine. A method is also described of forming a removable filter cake on the walls of a wellbore that penetrates a porous and permeable rock formation by placing in the wellbore a wellbore fluid containing a base fluid and melamine, and permitting the melamine to deposit from the wellbore fluid onto or into the walls of the wellbore to form the filter cake, whereby fluid loss to the formation through the removable filter cake is reduced.Type: GrantFiled: January 10, 2007Date of Patent: December 21, 2010Assignee: BP Exploration Operating Company LimitedInventors: Simon Neil Duncum, Christopher Alan Sawdon
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Publication number: 20100167961Abstract: An aqueous mixture of a non-toxic, low pH, antimicrobial, acidic composition having a pH between approximately 0.5 and approximately 3.5 is used in a drilling fluid and a stuck pipe additive. One embodiment of the stuck pipe additive composition includes an alkali metal halide salt in a range of approximately 10-35 weight %; a sequenching agent in a range between 2-8 weight %, a low pH, non toxic acid composition in a range of 0.5-20 weight percent and water in a range of 7-88.5 weight %. As a drilling fluid, it maintains well control and removes drill cuttings from holes drilled into the earth. As a spotting fluid, it frees a stuck drill stem in the annulus of a bore hole in minutes.Type: ApplicationFiled: October 11, 2006Publication date: July 1, 2010Inventor: David H. Creasey
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Patent number: 7654326Abstract: A method of servicing a wellbore comprising contacting a metal oxide, a soluble chloride or phosphate salt, water, and a liquid retarder to form a cement composition via a continuous process, wherein the liquid retarder is an aqueous solution having a concentration of less than about 25 w/v %, placing the cement composition into the wellbore, and allowing the cement composition to set. A method of servicing a wellbore comprising (a) contacting an aqueous solution with a soluble salt to form a salt solution, (b) contacting an aqueous solution with a solid retarder to form a liquid retarder wherein the liquid retarder has concentration of less than about 25 w/v %, (c) contacting water, the salt solution, and the liquid retarder to form a mixture, (d) contacting the mixture with a metal oxide to form a cement slurry, wherein the cement slurry is produced with an output rate of from about 0.Type: GrantFiled: July 10, 2008Date of Patent: February 2, 2010Assignee: Halliburton Energy Services, Inc.Inventors: Ashok Santra, Christopher L. Gordon, Daniel L. Bour, Keith D Pewitt, Dwain King
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Patent number: 7452417Abstract: A downhole servicing composition comprising from about 15 percent to about 80 percent by weight of a clay, and from about 10 percent to about 75 percent by weight of a carbon source is disclosed. The invention includes a downhole servicing composition comprising from about 15 percent to about 45 percent by weight of a first clay, from about 15 percent to about 45 percent by weight of a second clay, from about 10 percent to about 35 percent by weight of a filler, and from about 10 percent to about 75 percent by weight of a carbon source. The invention also includes a downhole servicing composition comprising an aqueous base and from about 10 percent to about 75 percent by weight of flaked graphite, wherein the downhole servicing composition has a thermal conductivity not less than about 0.8 BTU/hr-ft-° F.Type: GrantFiled: June 5, 2006Date of Patent: November 18, 2008Assignee: Halliburton Energy Services, Inc.Inventors: Gary W. Matula, Toby N. McClain
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Publication number: 20080108519Abstract: An underground formation is consolidated by (a) incorporating into a treatment fluid (i) at least one chemical substance which is capable of undergoing a chemical change that alters the physico-chemical environment of the treatment fluid and which is a bicarbonate or a compound that generates a phosphate, phosphoric acid, sulphate, sulphuric acid, hydrogen sulphide, S2?, carbon dioxide, bicarbonate, base or acid; and, optionally, (ii) at least one additional chemical substance selected from salts and complexes of metals having a valency of 2 or higher; introducing the treatment fluid into the formation; and allowing the chemical substance (i), alone or in combination with the optional chemical substance (ii), to undergo a chemical change that alters the physico-chemical environment of the treatment fluid such that a consolidating mineral is deposited in the underground formation.Type: ApplicationFiled: October 6, 2005Publication date: May 8, 2008Inventors: Ralph Edmund Harris, Ian Donald McKay
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Patent number: 7178590Abstract: Improved well fluids that include hollow particles, and methods of using such improved well fluids in subterranean cementing operations are provided. Also provided are methods of cementing, methods of reducing annular pressure, and well fluid compositions. While the compositions and methods of the present invention are useful in a variety of subterranean applications, they may be particularly useful in deepwater offshore cementing operations.Type: GrantFiled: June 12, 2006Date of Patent: February 20, 2007Assignee: Halliburton Energy Services, Inc.Inventors: Richard F. Vargo, Jr., James F. Heathman
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Patent number: 7067004Abstract: Grout slurries are provided that have high thermal conductivities of greater than about 1.4 Btu/hr-ft-° F. and low hydraulic conductivities ranging from about 5×10?9 cm/s to about 1×10?8 cm/s. Such grout slurries comprise water and a grout composition that is available as a one-sack product. The grout composition includes calcium bentonite present in an amount of from about 15% to about 45%, sodium bentonite present in an amount of from about 15% to about 45%, silica flour present in an amount of from about 10% to about 35%, and flaked graphite present in an amount of from about 10% to about 75%, all by weight of the grout composition. Further, methods of installing a conduit such as a heat transfer loop in a hole in the earth include placing the conduit in the hole, forming the foregoing grout slurry, and placing the grout slurry in the hole adjacent to the conduit.Type: GrantFiled: January 29, 2004Date of Patent: June 27, 2006Assignee: Halliburton Energy Services, Inc.Inventors: Gary W. Matula, Toby N. McClain, Paul K. Chaney
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System and method for removing particles from a well bore penetrating a possible producing formation
Patent number: 6968898Abstract: A system and method for removing particles from a well bore penetrating a possible hydrocarbon producing formation, according to which drilling fluid is mixed with a weighted material, and the mixture is introduced into a well bore so that the mixture scours any particles accumulated in the well bore. A well-completion fluid is introduced into the well bore that dissolves the weighted material.Type: GrantFiled: June 28, 2002Date of Patent: November 29, 2005Assignee: Halliburton Energy Services, Inc.Inventors: Bradley L. Todd, Donald L. Whitfill, Jimmie B. Lawson -
Patent number: 6737385Abstract: Well drilling and servicing fluids for use in producing formations and methods of removing filter cake therefrom are provided. The methods basically comprise using a drilling or servicing fluid comprised of water, a density increasing water soluble salt, a fluid loss control agent, a hydratable polymer solid suspending agent and a particulate solid bridging agent which is soluble in an aqueous ammonium salt solution. Thereafter, the filter cake deposited by the drilling or servicing fluid is contacted with a clean-up solution comprised of water and an ammonium salt for a period of time such that the bridging agent is dissolved thereby.Type: GrantFiled: April 5, 2002Date of Patent: May 18, 2004Assignee: Halliburton Energy Services, Inc.Inventors: Bradley L. Todd, B. Raghava Reddy, James V. Fisk, Jr., James D. Kercheville
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Patent number: 6258756Abstract: A salt water drilling mud comprising a mixture salt water, a solid phase such as pre-hydrated bentonite, attapulgite, sepiolite, and extended bentonite, among others and optionally a synthetic oil, which is mixed with at least one of five different modules. A first module contains caustic, a natural wax and a natural thinner. A second module contains components of the first module and an alkali metal aluminate prepared by reacting the first module with aluminum metal. A third module contains the components of the first module and an alkali metal phosphate and/or alkali metal silicate. A fourth module contains the components of the first module, a saturated or unsaturated carboxylic acid source, a surfactant, and a preservative. The fifth module contains a combination of the first, third and fourth modules.Type: GrantFiled: January 26, 1999Date of Patent: July 10, 2001Assignee: Spectral, Inc.Inventor: Asadollah Hayatdavoudi
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Patent number: 5518996Abstract: The particulate phase of fluids according to the present invention comprises particles which have specifically adapted size ranges or granulometries. All the essential properties of fluids and their cost are very clearly improved. The technique may be applied to all well operations in oil wells or the like, such as in matrix treatment and the like.Type: GrantFiled: August 30, 1995Date of Patent: May 21, 1996Assignee: Dowell, a division of Schlumberger Technology CorporationInventors: Pierre Maroy, Jean-Francois Baret