Patents Examined by Crystal J Miller
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Patent number: 11261283Abstract: A method for operation in wellbore, the method comprises: pumping a fluid barrier into a wellbore through a tubular, the fluid barrier being operable to separate a cement slurry from a second fluid; the fluid barrier comprising a polyurethane member derived from a polyurethane forming composition comprising a para-phenylene diisocyanate terminated polycarbonate prepolymer and an aromatic diol.Type: GrantFiled: May 1, 2019Date of Patent: March 1, 2022Assignee: BAKER HUGHES OILFIELD OPERATIONS LLCInventors: Ping Duan, Anil Sadana
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Patent number: 11261678Abstract: Systems, methods, and apparatuses for deploying a lost circulation fabric (LCF) to seal a lost circulation zone during a drilling operation. The LCF may be contained within a lost circulation fabric deployment system (LCFDS) that is coupled to a tubular of a drilling string. The LCFDS may include a controller and sensors to detect the presence of a lost circulation zone and deploy the LCF upon detection of the lost circulation zone. In some implementations, a plurality of LCFDSs may be disposed on the tubular and work in cooperation to deploy a plurality of LCFs to form a seal along the lost circulation zone.Type: GrantFiled: December 10, 2019Date of Patent: March 1, 2022Assignee: Saudi Arabian Oil CompanyInventors: Bodong Li, Chinthaka Pasan Gooneratne, Timothy E. Moellendick
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Patent number: 11236594Abstract: A process for in situ thermal recovery of hydrocarbons from a reservoir is provided. The process includes: providing an oxygen-enriched mixture, fuel, feedwater and an additive including at least one of ammonia, urea and a volatile amine to a Direct-Contact Steam Generator (DCSG); operating the DCSG, including contacting the feedwater and the additive with hot combustion gas to obtain a steam-based mixture including steam, CO2 and the additive; injecting the steam-based mixture or a stream derived from the steam-based mixture into the reservoir to mobilize the hydrocarbons therein; and producing a produced fluid including the hydrocarbons.Type: GrantFiled: October 9, 2020Date of Patent: February 1, 2022Assignee: Suncor Energy Inc.Inventors: Hugo Acosta Ramirez, Todd Pugsley
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Patent number: 11236593Abstract: A method of extracting oil from a subsurface reservoir includes the steps of accessing the subsurface reservoir by means of a well, injecting a waterflooding composition comprising water and a functional molecule, into the subsurface reservoir through the well, altering the interfacial viscoelasticity, and extracting the oil through the well.Type: GrantFiled: April 2, 2020Date of Patent: February 1, 2022Assignee: KASHABLE LLCInventors: Abbas Firoozabadi, Mayur Pal, Taniya Kar
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Patent number: 11236260Abstract: A biodegradable and substantially water-soluble thermoplastic polyvinyl alcohol-based diverting agent is provided which comprises pellets of a specified polyvinyl alcohol optionally with certain specified additives, which pellets are made in an extruder and cut to a specified size.Type: GrantFiled: August 28, 2019Date of Patent: February 1, 2022Assignee: KURARAY CO., LTD.Inventors: Ghebrehiwet Ghebremeskel, Keisuke Morikawa, Richard Cazares
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Patent number: 11214729Abstract: The present invention generally relates to the composition of particle gels for CO2-EOR and CO2 storage. More particularly, CO2 resistant particle gels are provided that can re-crosslink at subterranean conditions. These particle gels can be deployed to improve the conformance of CO2 flooding, CO2 huff-puff, or Water-Alternative-Gas (WAG). The applications may also involve CO2 storage, such as the blocking of CO2 leakage and similar CO2 processing.Type: GrantFiled: August 27, 2019Date of Patent: January 4, 2022Assignee: The Curators of the University of MissouriInventors: Yifu Long, Baojun Bai, Thomas P. Schuman
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Patent number: 11215050Abstract: An inflow indicator apparatus is for a well in an underground structure in which at least one tracer depot is arranged to be in contact with a partial fluid flow flowing from a producing structure into the well. The inflow indicator apparatus has a tubular body, a seal encircling a portion of the tubular body, arrangement of the at least one tracer depot externally on the tubular body, the seal being settable against an encircling wall, and the tubular body, the seal and the encircling wall defining an annulus forming a first flow path for the partial fluid flow which is separated from a second fluid flow path through the inflow indicator apparatus for a main fluid flow formed of a through fluid line in the tubular body, the first flow path extending from the seal to an end portion of the tubular body.Type: GrantFiled: February 21, 2017Date of Patent: January 4, 2022Assignee: Scale Protection ASInventor: Ole Magnar Drønen
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Patent number: 11199060Abstract: Methods for drilling a wellbore into a subterranean formation include preparing a drilling fluid and circulating the drilling fluid in the wellbore while drilling in the subterranean formation, forming a filtercake from the drilling fluid, creating or encountering one or more fractures in the subterranean formation while drilling, and allowing a portion of the filtercake formed to at least partially seal the one or more fractures while continuing the drilling.Type: GrantFiled: March 1, 2016Date of Patent: December 14, 2021Assignee: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: John Mervyn Cook, Quanxin Guo, Paul William Way, Louise Bailey, Simon James, Salim Taoutaou
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Patent number: 11198649Abstract: A method of designing a cement slurry may include: providing a cement slurry recipe comprising water and at least one cementitious component; creating a model of a compressive strength of the cement recipe for a given time; preparing a cement slurry based at least in part on the model; and introducing the cement slurry into a subterranean formation.Type: GrantFiled: April 5, 2019Date of Patent: December 14, 2021Assignee: Halliburton Energy Services, Inc.Inventors: John Paul Bir Singh, Thomas Jason Pisklak, Ronnie Glen Morgan
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Patent number: 11186766Abstract: The invention discloses an intelligent water-control and gas-diversion particle for water-gas reservoirs and preparation method and application thereof, comprising core support layer with barbs, expandable water shutoff layer, water discharge and gas diversion layer, migration protection layer and suspension lift layer; the expandable water shutoff layer is wrapped on the outer surface of the core support layer and the root of the barb; the water discharge and gas diversion layer is wrapped on the outer surfaces of the expandable water shutoff layer and the barbs; the migration protection layer is wrapped on the outer surface of the water discharge and gas diversion layer; the outer surface of the migration protection layer forms a sphere; the suspension lift layer is wrapped on the outer surface of the migration protection layer.Type: GrantFiled: December 12, 2019Date of Patent: November 30, 2021Assignee: SOUTHWEST PETROLEUM UNIVERSITYInventors: Xiaohua Tan, Hao Yang, Xiaoping Li, Honglin Lu, Lei Ding, Yilong Li
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Patent number: 11180692Abstract: This invention describes and claims the stimulation of several Wolfcamp and Bone Springs targeted wells in the northern Delaware Basin using fracturing treatments and a new method employing relatively small pre-pad pill volumes of Brine Resistant Silicon Dioxide Nanoparticle Dispersions ahead of each stage of treatment have been successfully performed. The invention includes a method of extending an oil and gas system ESRV comprising the steps of adding a Brine Resistant Silicon Dioxide Nanoparticle Dispersion (“BRINE RESISTANT SDND”) to conventional oil well treatment fluids. The invention also includes a method of increasing initial production rates of an oil well by over 20.0% as compared to wells either not treated with the BRINE RESISTANT SDND technology or treated by conventional nano-emulsion surfactants. The Method focuses on the steps of adding a Brine Resistant Silicon Dioxide Nanoparticle Dispersion to conventional oil well treatment fluids.Type: GrantFiled: October 27, 2020Date of Patent: November 23, 2021Assignee: Nissan Chemical America CorporationInventors: David L. Holcomb, Yusra Khan Ahmad, John Edmond Southwell
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Patent number: 11180690Abstract: Compositions relating to microemulsions or diluted microemulsions for treating gas wells having wellbores and methods related to treating gas wells having wellbores using the same are generally provided. In some embodiments, the microemulsions or diluted microemulsions have an especially low surface tension at a gas well bottom hole temperature and pressure.Type: GrantFiled: June 4, 2019Date of Patent: November 23, 2021Assignee: Flotek Chemistry, LLCInventors: Natalie Forbes, James Silas, Randal M. Hill
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Patent number: 11180691Abstract: The strength of a proppant or sand control particulate may be improved by coating the proppant to form a composite. The composite has enhanced compressive strength between about 34 to about 130 MPa and minimizes the spelling of fines at closure stresses in excess of 5,000 psi. Conductivity of fractures is further enhanced by forming a pack of the composites in the fracture.Type: GrantFiled: January 22, 2019Date of Patent: November 23, 2021Assignee: Baker Hughes Holdings LLCInventors: Thomas Sodhi, D. V. Satyanarayana Gupta, John Howard Mayor
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Patent number: 11162013Abstract: A method cementing a well is provided. The method includes the use of hydraulic cement composition that includes a set time control additive. The set time control additive includes a water soluble calcium salt such as calcium nitrate, a water soluble chloride salt such as sodium chloride, and a hydroxy carboxylic acid.Type: GrantFiled: July 31, 2018Date of Patent: November 2, 2021Assignee: Halliburton Energy Services, Inc.Inventor: Tamal Kumar Sen
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Patent number: 11161694Abstract: Methods and systems for thermal energy storage and enhanced oil recovery are described herein. In some embodiments, natural gas may be injected down a well which has been previously hydraulically fractured to store thermal energy and to stimulate the well to greater hydrocarbon production.Type: GrantFiled: July 18, 2019Date of Patent: November 2, 2021Assignee: Alliance for Sustainable Energy, LLCInventors: Chad Augustine, David Levi Young, Henry Ellis Johnston, Jr.
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Patent number: 11155750Abstract: Methods for servicing a hydrocarbon well using natural gas in a well intervention operation can include preparing a working fluid having a composition comprising natural gas between about 5 mol % to about 100 mol %. During a well intervention operation at the specified well intervention conditions, the method can include injecting the working fluid into the well and contacting the working fluid with the recovery target material such that at least some of the natural gas dissolves into the recovery target material and forming a liquid phase well servicing mixture of the natural gas and recovery target material. At least some of the well servicing mixture can be recovered at surface.Type: GrantFiled: September 8, 2016Date of Patent: October 26, 2021Assignee: Halliburton Energy Services, Inc.Inventor: Grant W. Nevison
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Patent number: 11142679Abstract: Methods and systems of reducing lost circulation in a wellbore are provided. An example method includes providing a pozzolan slurry comprising a pozzolanic material and water; and providing a calcium slurry comprising a calcium source, a high pH activator, and water. The method further comprises allowing the pozzolan slurry and the calcium slurry to remain separate; wherein at least one of the pozzolan slurry and the calcium slurry comprise a thixotropic material; wherein at least one of the pozzolan slurry and the calcium slurry comprise a dispersant; wherein at least one of the pozzolan slurry and the calcium slurry comprise a weighting agent. The method additionally comprises mixing the pozzolan slurry and the calcium slurry to form a two-part thixotropic lost circulation slurry after the allowing the pozzolan slurry and the calcium slurry to remain separate.Type: GrantFiled: March 29, 2018Date of Patent: October 12, 2021Assignee: Halliburton Energy Services, Inc.Inventors: Thomas J. Pisklak, Samuel J. Lewis, Paul J. Jones
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Patent number: 11136485Abstract: The present disclosure relates to a composite fluid including an electrically insulating foundation fluid having a dielectric constant and a dielectric strength, and an additive combined with the foundation fluid that results in a composite fluid having a dielectric constant and a dielectric strength greater than the dielectric constant and the dielectric strength of the foundation fluid.Type: GrantFiled: April 9, 2019Date of Patent: October 5, 2021Assignee: Halliburton Energy Services, Inc.Inventor: Paul F. Rodney
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Patent number: 11131146Abstract: A system includes a drill bit, and a tubular connected thereto. The tubular is configured to be rotated to rotate the drill bit and drill a length of a borehole and cemented in place. The tubular and the drill bit form a conduit to permit cement to be pumped through the tubular and the drill bit and into an annulus. The system also includes a collar disposed between the tubular and the drill bit. The collar includes a receptacle made from a drillable material, which has a profile that corresponds to a shape of a component deployed through the length of the tubular, and is configured to form a substantially fluid tight seal between the component and the drillable material when the component is seated in the receptacle. The collar and the component prevent backflow of the cement.Type: GrantFiled: January 22, 2019Date of Patent: September 28, 2021Assignee: BAKER HUGHES, A GE COMPANY, LLCInventors: Daniel Stephen Bangert, James Smith
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Patent number: 11124698Abstract: Methods and compositions for stimulating oil or gas production from a well with a single treatment fluid for use in a combined acidizing and hydraulic fracturing treatment are provided. An embodiment is a method comprising: coating a plurality of proppant particulates with oil to form oil-coated proppant particulates; adding the oil-coated proppant particulates to a solution comprising water, an acid source, and an emulsifier, wherein the ratio of the oil coating the proppant particulates to the water in the solution is less than 20:80 by volume; and mixing the solution and the oil-coated proppant particulates to form a treatment fluid comprising a water-in-oil emulsion and the oil-coated proppant particulates.Type: GrantFiled: November 7, 2016Date of Patent: September 21, 2021Assignee: Halliburton Energy Services, Inc.Inventors: Prashant D. Chopade, Rajender Salla, Monica Rajendra Dandawate, Enrique Antonio Reyes, Walter T. Stephens