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WO/2022/183212A1 |
Exemplary methods of producing methane in a reservoir may include accessing a consortium of microorganisms in a geologic formation. The methods may include delivering an aqueous solution including waste product to the consortium of micro...
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WO/2022/178262A1 |
Polyacrylamide (PAM)-coated nanosand that may be a relative permeability modifier (RPM) and that is applied to treat a wellbore in a subterranean formation. The treatment may be for excess water production. The PAM-coated nanosand is PAM...
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WO/2022/173510A1 |
The present disclosure provides methods and compositions for controlling asphaltenes in a subterranean formation. The compositions may include a halloysite nanotube. The nanotube has a lumen and a polymer, along with a charged surfactant...
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WO/2022/170021A1 |
A method of polymer flooding within a carbonate formation the method comprising: injecting a treatment fluid composition into a wellbore, the treatment fluid composition comprising: a base fluid, and a viscosifier comprising a branched b...
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WO/2022/170020A1 |
A method of polymer flooding within a sandstone formation the method comprising: injecting a treatment fluid composition into a wellbore, the treatment fluid composition comprising: a base fluid, and a viscosifier comprising a branched b...
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WO/2022/170039A1 |
A drilling fluid composition comprising a base fluid, and a shale inhibitor including an ultra- high molecular weight branched block copolymer having the following structure, (I) where monomer A is an anionic monomer, monomer B is a hydr...
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WO/2022/170035A1 |
A drilling fluid composition comprising a base fluid, and a viscosifier including an ultra-high molecular weight branched block copolymer having the following stmcture, (I) where monomer A is an anionic monomer, monomer B is a hydrophili...
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WO/2022/170087A1 |
A method may include supplying water for a mud mixture to a mixing tank (151-153) according to a predetermined volume. Tire method may further include supplying, using a rheological sensor, a viscosifier to the mud mixture (154-156) in t...
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WO/2022/169958A1 |
An amphiphilic branched star polymer drilling additive includes a crosslinked, polymerized reaction product of crosslinker C, hydrophobic monomer B, and hydrophilic monomer A. The crosslinked polymerized reaction product includes a plura...
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WO/2022/170041A1 |
A drilling fluid composition comprising a base fluid, and a drag reducing agent including an ultra-high molecular weight branched block copolymer having the following structure, (I) where monomer A is an anionic monomer, monomer B is a h...
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WO/2022/165580A1 |
Described herein is a corrosion inhibitor for use in an aqueous brine solution; the brine solution may be a drilling fluid or refrigeration fluid. The corrosion inhibitor comprises a reducing sugar, such as a monosaccharide, a disacchari...
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WO/2022/167415A1 |
Method for inhibiting the swelling and/or the dispersion of shales during the treatment of subterranean shale formations comprising the steps of: a) providing a subterranean treatment fluid comprising from 0.001 to 10% by weight of a pol...
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WO/2022/170243A2 |
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WO/2022/165581A1 |
Described herein is a water-based drilling fluid comprising a high concentration of one or more soluble salts and a high concentration of one or more non-reducing sugar alcohols. The described drilling fluid has a lower environmental foo...
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WO/2022/165726A1 |
A coated rubber particle, a preparation method therefor and use thereof as a leakage blocking material in a drilling fluid. The coated rubber particle has a rubber core and a coating layer. The fluorine content (atomic percent) of the co...
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WO/2022/169950A1 |
Drilling fluids and methods of making and using drilling fluids are provided. The drilling fluid includes an oleaginous phase, a clay-based component, and an amphiphilic branched star polymer. The amphiphilic branched star polymer is a c...
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WO/2022/170076A1 |
A method for evaluating thermal reactivity in source rock evaluation may include obtaining information relating to various source rock samples (140a; 140b; 140c). The method may include determining reactivities of source rocks correspond...
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WO/2022/169955A1 |
A cement slurry may include an aqueous phase; a cement precursor material; and a hydrophilic branched star polymer. The hydrophilic branched star polymer is a crosslinked, polymerized reaction product of crosslinker C and hydrophilic mon...
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WO/2022/169683A1 |
Drilling fluids and methods of making and using drilling fluids are provided. The drilling fluid includes an aqueous phase, a clay-based component, and an amphiphilic branched star polymer. The amphiphilic branched star polymer is a cros...
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WO/2022/169771A1 |
Methods can include introducing a cleaning fluid into a near-wellbore zone of an injection well penetrating a subterranean formation, wherein the cleaning fluid includes: 0.5 wt% to about 5 wt% of a surfactant blend comprising an alkoxy ...
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WO/2022/162348A1 |
An aqueous formulation for slick water fracturing comprises: (i) a polymer (AA) which includes acrylamido repeat units and may be a polyacrylamide; (ii) water; (iii) a quaternary ammonium compound.
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WO/2022/164998A1 |
A method for wellbore treatment. The method including preparing an encapsulated treatment agent via polymerization, feeding the encapsulated treatment agent into the wellbore (120), delivering the encapsulated treatment agent to a desire...
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WO/2022/161434A1 |
The present invention relates to a multi-adsorption site lubricating additive, a preparation method therefor and an application thereof in a drilling fluid composition. The multi-adsorption site lubricating additive comprises a compound ...
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WO/2022/159863A1 |
A system for utilizing oolitic aragonite as a proppant in hydraulic fracking is provided. The system includes a proppant storage tank including a stockpile of the oolitic aragonite. The system further includes a proppant pumping unit ope...
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WO/2022/159271A1 |
The present disclosure provides methods for inhibiting scale formation in subterranean reservoirs. The methods may include depositing silica-based nanoparticles on a surface of the subterranean reservoir and transporting a scale inhibito...
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WO/2022/152193A1 |
Provided are a corrosion inhibitor suitable for acidification at 200ºC and the use thereof. The corrosion inhibitor for acidification comprises a component A. The component A comprises, in percentages by weight: an aldehyde-ketone-amine...
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WO/2022/151516A1 |
Provided are a nano organosilicon film-forming hydrophobic shale surface hydration inhibitor, and a preparation method therefor and the use thereof. The inhibitor is obtained by carrying out hydrophobic modification on nanoparticles by u...
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WO/2022/150326A1 |
A composition of matter may include a cement precursor (202), a phosphazene oligomer (204) and water. A method may include blending a phosphazene oligomer (204) and a cement precursor (202) to form a cement precursor mixture. The method ...
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WO/2022/147888A1 |
The present invention belongs to the technical field of coal mine fire prevention and extinguishing materials, and particularly relates to a multifunctional plugging agent for a coal mine, and a preparation method therefor. In the presen...
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WO/2022/150760A1 |
Provided are water-soluble polymers that may include a water-soluble bipolymer, a water-soluble anionic terpolymer, and a water-soluble cationic terpolymer. The water-soluble polymers may include a reaction product of a first monomer tha...
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WO/2022/144563A1 |
The present document concerns a use of a cyclic acetal compound for injection as a tracer in a production well, to evaluate properties of a hydrocarbon reservoir in which the production well is drilled. The cyclic acetal compound compris...
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WO/2022/040133A9 |
A fracturing fluid is provided including a mixture of an aqueous copolymer composition including a copolymer, the copolymer having acrylamide monomer units, or acrylic acid monomer units, or both, or salts thereof. The molar includes a c...
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WO/2022/147554A1 |
A water-based drilling fluid having spent jet-engine oil as a lubricant. A system and method for utilizing the spent jet-engine oil and the water-based drilling fluid to drill a borehole in a subterranean formation in the Earth crust.
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WO/2022/136801A1 |
The present invention relates to a composition of additives comprising: at least one first compound selected from: (i) copolymers of ethylene and vinyl acetate having a molar mass Mn included in the range ranging from 10,000 to 60,000 g....
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WO/2022/134839A1 |
The present invention relates to the field of oilfield plugging agents, and in particular to a plugging agent for oil extraction in an oilfield and a preparation method therefor and an application thereof. The plugging agent contains lig...
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WO/2022/126907A1 |
The present invention relates to substituted scleroglucan, a manufacturing method therefor and the use thereof in the manufacture of a drilling fluid composition. The substituted scleroglucan of the present invention has a substituent A,...
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WO/2022/133106A1 |
Scale inhibitor compositions and methods for treating a subterranean hydrocarbon producing formation and/or oilfield equipment are disclosed. The scale inhibitor composition comprises a scale inhibitor comprising at least one copolymer, ...
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WO/2022/132154A1 |
Systems and methods to determine a characteristic of a drilling fluid are presented. A method to determine a characteristic of a drilling fluid includes obtaining a measurement of a mud density of a drilling fluid formed from a mixture o...
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WO/2022/132523A1 |
A method of producing subterranean fractures in geologic formations having a significant amount of water present (a wet well) for the extraction of hydrocarbons therefrom includes flowing an explosive hydrophobic emulsion mixture to prot...
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WO/2022/132552A1 |
A deployment system for deploying a polymer grout system includes a first conduit line for conveying an isocyanate component, a second conduit line for conveying an organic polyol component, and a mixer for mixing the isocyanate componen...
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WO/2022/132175A1 |
Methods for treating a subterranean formation. An example method includes introducing a treatment fluid into a wellbore penetrating the subterranean formation. The treatment fluid includes an aqueous base fluid, a cationic or amphoteric ...
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WO/2022/132551A1 |
A method for creating an expandable polymer grout plug within or through a wellbore includes providing an expandable polymer grout system to a target location within or through the wellbore, wherein the expandable polymer grout system co...
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WO/2022/124287A1 |
The purpose of the present invention is to provide a thickening agent for well acid treatment liquids, said thickening agent having excellent hydrolysis resistance and high thickening properties, by applying a thickening agent (X) for we...
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WO/2022/126044A1 |
Solids dissolution may be promoted using a solvent blend comprising a disulfide solvent, particularly additional solids present in combination with elemental sulfur deposits. The solvent blends may comprise at least one disulfide solvent...
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WO/2022/126043A1 |
Disulfide solvents may be particularly effective for dissolving deposits comprising elemental sulfur, but the extreme odor of these solvent may make their use rather problematic. Solvent blends comprising at least one disulfide solvent, ...
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WO/2022/119582A1 |
A method of pulse power drilling in a subterranean formation may comprise providing a drilling fluid comprising an oil external phase, an internal phase, and a hydrolysis reactant compound for reaction with water. The method may also com...
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WO/2022/120032A1 |
A well tool for generating a shaped perforation in a cased wellbore includes a tool body (108). The tool body has at least one wall (140), a fluid channel (146), a first perforation device (148), and a second perforation device (150). Th...
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WO/2022/120333A1 |
Cement slurries are prepared that comprise water, a hydraulic cement and particles of an oil-absorbent material. The particles are present in an amount sufficient to alter a property of a non-aqueous drilling fluid. The cement slurry is ...
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WO/2022/119569A1 |
Compositions with modified tannins can be used in wellbore operations. A composition can include an oil, a modified tannin, a dimer fatty acid, an aqueous liquid, and an emulsifier, where the material is injectable into a wellbore. The m...
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WO/2021/257877A9 |
A chemical gel system having a polymer and a graphene oxide Janus nanosheets crosslinker for treating thief zones in carbonate formations. The polymer and graphene oxide Janus nanosheets crosslinker may form a crosslinked polymer gel to ...
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