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WO/2024/031001A1 |
Geopolymer slurry compositions and methods are described herein that can be used for repair operations in previously cemented wells. The compositions and methods comprise geopolymer slurry compositions having a first component comprising...
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WO/2024/028820A1 |
A thermite composition for a process of plugging and abandoning a petroleum well comprises a tube-sealing composition and a gas leakage-preventing composition. The tube-sealing composition comprises aluminium and a metal oxide, and the g...
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WO/2024/026263A1 |
Methods for reducing methane or methane production from organic material decomposition in a subterranean formation, or from formations leaking methane, include injecting reactants, biocides, or methanotrophic bacteria into the formation.
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WO/2024/023519A1 |
The use of a quaternary ammonium salt of a polyalkoxylated amine as a stabilisation additive in an oilfield fluid comprising water.
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WO/2024/026137A1 |
Compositions, methods, and workflows for treating a siliceous geologic formation including flowing a treatment composition into the formation, wherein the treatment composition has a pH of about -1.0 to about 6.0 and includes an acid hav...
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WO/2024/020008A1 |
Aqueous compositions comprising an aqueous carrier fluid, a reaction product of a saccharide polymer and a fatty acid or a fatty ester obtained in the aqueous carrier fluid in the presence of a hydroxide base and a neutral surfactant or ...
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WO/2024/020565A1 |
Geopolymer precursors are presented that are useful for subterranean wells. The precursors contain an aluminosilicate source, an alkali activator, and a carrier fluid. Additives are incorporated into the precursors to induce expansion, s...
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WO/2024/019856A1 |
Embodiments of the present disclosure are directed to methods for the subterranean regeneration of CO2-philic solvents and the sequestration of carbon dioxide. The methods may include steps of exposing the CO2-philic solvent to a CO2-con...
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WO/2024/020339A1 |
A method may include introducing a breaker fluid into a wellbore having a filter-cake on the walls therein, wherein the breaker fluid comprises an organic peroxide; an aqueous solution; an enzyme; and a chelating agent; wherein the break...
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WO/2024/019621A1 |
The present invention relates to a cementitious mixture comprising a magnesium-iron solid solution silicate filler or aggregate, a strong base, one or more cementitious materials; and at most 12% water. The present invention further rela...
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WO/2024/020563A1 |
Geopolymer precursors are presented that are useful for subterranean wells. The precursors contain an aluminosilicate source, an alkali activator, and a carrier fluid. Additives are incorporated into the precursors to induce expansion, s...
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WO/2024/020198A1 |
A foam composition includes a foam stabilizer, a foaming agent, a brine, and an inert gas. The foam stabilizer includes graphene. The foaming agent includes a viscoelastic surfactant. The inert gas is in the form of gas bubbles dispersed...
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WO/2024/020568A1 |
Geopolymer precursors are presented that are useful for subterranean wells. The precursors contain an aluminosilicate source, an alkali activator, and a carrier fluid. Additives are incorporated into the precursors to induce expansion, s...
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WO/2024/020569A1 |
Geopolymer precursors are presented that are useful for subterranean wells. The precursors contain an aluminosilicate source, an alkali activator, and a carrier fluid. Additives are incorporated into the precursors to induce expansion, s...
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WO/2024/016091A1 |
The present invention relates to a biotechnological composition, a process and the use thereof to immobilise and reduce, in situ, silica present in particulate material suspended in the atmosphere.
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WO/2024/013458A1 |
The present invention relates to an additive composition comprising: (1) at least one copolymer of ethylene and vinyl acetate grafted with at least one alkyl (meth)acrylate group, the alkyl chain of which is saturated and contains 12 to ...
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WO/2024/015658A1 |
A treatment fluid can include a base fluid and a stabilizing additive. The stabilizing additive can include a plurality of environmentally acceptable nanoparticles. The particle size distribution of the plurality of nanoparticles can be ...
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WO/2024/013492A1 |
A composition capable of scavenging or reducing sulfur-containing compounds in a fluid comprises a hydrogen sulfide scavenger; and a dispersant, wherein the dispersant comprises or consists of microfibrillated cellulose (MFC).
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WO/2024/012718A2 |
A plug or barrier-forming material comprises a matrix of a first metal (172) and an aggregate of uniform or irregular shaped macroscopic objects (174). The aggregate may comprise steel spheres (174) coated with a second metal (178) to fa...
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WO/2024/011035A1 |
A proppant conveyance system at a well site. The system comprises a sand hopper configured to receive and hold the proppant. The system also includes a prime mover. The system further includes one or more plunger assemblies. Each plunger...
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WO/2024/007759A1 |
Provided in the present invention are a micro-nano spherical modified silicon dioxide acid gelling agent, a preparation method therefor, and the use thereof. The preparation method for the micro-nano spherical modified silicon dioxide ac...
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WO/2024/007750A1 |
The present invention provides an integrated fracturing fluid and a preparation method therefor. The fracturing fluid comprises: 0.02-0.5% of a drag-reducing and viscosity-increasing agent, 0.1-0.5% of a nano-emulsion, 0.02-0.1% of a non...
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WO/2024/010640A1 |
Described herein is a low-temperature catalyst and method of use for causing an exothermic reaction in a low temperature environment. The mixture can include sodium nitrite, an ammonium-based compound, and an oxidizer and can be injected...
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WO/2024/006282A1 |
Geopolymer precursor compositions are presented that are useful for cementing a subterranean well, among other uses. The precursor compositions are dry mixtures that have an aluminosilicate source and an activator. The activator is an al...
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WO/2024/006363A1 |
The present disclosure provides systems, cartridges, and methods for treating industrial systems. A system may include a sorbent material disposed in a cartridge, wherein the sorbent material includes a treatment chemical. The system may...
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WO/2024/002048A1 |
Disclosed in the present invention are a viscoelastic foam system of an acid gas switch and a method and use for improving the recovery ratio by using the viscoelastic foam system. The viscoelastic foam system of an acid gas switch of th...
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WO/2024/006588A1 |
Geopolymeric compositions are presented that are useful as geopolymer slurries for cementing subterranean wells. The slurries may contain an aluminosilicate source,, an alkaline source and a carrier fluid. The slurries generate an alkali...
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WO/2024/005670A1 |
A composition for enhancing oil recovery includes the non-ionic surfactant Neonol AF 9-6 and the following anionic surfactants: petroleum sulphonates, a mixture of alpha-olefin sulphonates with a carbon number of C14 and C16, a mixture o...
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WO/2024/001425A1 |
Disclosed in the present invention is a preparation method for an interfacial active agent for improving a recovery ratio of a low-permeability sandstone reservoir. The method comprises two steps, i.e., preparation of a deep eutectic sol...
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WO/2023/246505A1 |
The present invention relates to a method for inhibiting biogenic hydrogen sulfide in an oil field. A synergistic inhibition system combination agent containing Bacillus licheniformis GW1 is added into an oil field system, wherein the Ba...
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WO/2023/250194A1 |
The aqueous phase of a drilling fluid can be provided with self-adjusting alkalinity by introducing a buffering system, where the buffenng system includes a buffering agent, an acid or a base, and an inorganic salt, and where the pH of t...
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WO/2023/245994A1 |
Provided in the present invention are an ultra-high-temperature-resistant cement slurry system for well cementation, and a preparation method therefor and the use thereof. The cement slurry system comprises cement, an ultra-high temperat...
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WO/2023/244273A1 |
A cement composition can include water and a blended cement. The cement composition can be free of Portland cement. The blended cement can include cement and a supplementary cementitious material. The cement can be calcium aluminate ceme...
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WO/2023/238675A1 |
A polyvinyl alcohol polymer obtained by saponification of a copolymer of a vinyl ester monomer and a polyfunctional monomer that includes at least two polymerizable unsaturated bonds in the molecule thereof, the polyvinyl alcohol polymer...
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WO/2023/238674A1 |
This polyvinyl alcohol-based polymer is obtained through saponification of a copolymer of a vinyl ester monomer and a trifunctional monomer, and is characterized in that the average degree of polymerization of the polyvinyl alcohol-based...
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WO/2023/240004A1 |
A composition including a powder and a liquid treatment chemical is provided. The powder includes sodium bicarbonate, calcium carbonate, citric acid, oxalic acid, palmitic acid, tartaric acid, and/or maleic acid. The liquid treatment che...
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WO/2023/239252A1 |
A composition that includes a fluorescent metal-organic framework (MOF) and a drilling fluid is provided. The MOF includes a porous, crystalline structure and a fluorescent source. A method includes introducing a MOF into a drilling flui...
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WO/2023/231990A1 |
Disclosed in the present invention are a polyoxymethylene nanosheet or a polyoxymethylene copolymer nanosheet and a preparation method therefor. The preparation method comprises the following steps: (1) mixing a surfactant and a monomer ...
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WO/2023/234972A1 |
A dissolvable magnesium alloy can be used for components of a downhole tool. The dissolvable magnesium alloy can be dissolved completely and controlled at a dissolving rate so as to be compatible with downhole operations, including hydra...
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WO/2023/233273A1 |
The present disclosure relates to a process for preparing a salt of 4-hydroxy pentadecyl benzene sulfonic acid. The process comprises reacting 3-N- Pentadecylphenol with sulphuric acid and neutralizing the 4-hydroxy pentadecyl benzene su...
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WO/2023/230955A1 |
A cosmetic skincare emulsion is free from silicones, synthetic polymers, polyalkoxylated compounds, especially polyethylene glycols and polyethylene derivatives. The cosmetic skincare emulsion develops hardly any foam and does not leave ...
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WO/2023/230452A1 |
The subject invention provides scale inhibitors and/or dispersants comprising microbial surfactants, or biosurfactants, as well as methods of their use for removing metal sulfide scale deposits and/or preventing the precipitation and/or ...
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WO/2023/230328A1 |
A scale inhibitor squeeze treatment is enhanced by injecting a pre-flush solution into a wellbore, where the pre-flush solution includes at least one organic carbonate solvent, such as a dialkyl carbonate and/or a cyclic carbonate. The u...
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WO/2023/011800A9 |
Use of complex polyester amines and polyester quaternary ammonium compounds as corrosion inhibitors for metal surfaces, and a method for protecting a metal surface from corrosion by contacting the metal surface with said corrosion inhibi...
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WO/2023/230546A1 |
A method of treating a carbonate formation includes introducing a stimulation fluid into the carbonate formation at a pressure greater than a fracture pressure of the formation and creating openings in the carbonate formation via the sti...
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WO/2023/230338A1 |
Halite scales in an oilfield brine that has a potential for halite scaling can have halite scale formation inhibited or prevented by adding an effective amount of an additive, where the additive contains at least one non-water-soluble qu...
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WO/2023/224967A1 |
A well treatment composition wax removal additives for the cleaning of a well containing hydrocarbons waxes. The wax removal additives comprise nano polysaccharides. A method of cleaning a hydrocarbon well containing at least one of wax,...
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WO/2023/221303A1 |
The present invention provides a flow pattern regulator for a water-based drilling fluid. The flow pattern regulator is prepared by carrying out a polymerization reaction on the following raw materials: 10-40% of a first monomer, 40-70% ...
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WO/2023/225394A1 |
Composite cement compositions and pumpable slurries for cementing well or at least one zone of the wells are provided and comprise cementitious material that forms calcium silicate hydrates upon exposure to water, inert filler material, ...
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WO/2023/223261A1 |
A method to increase the temperature stability of a first blend and a second blend used in the preparation of a reconstituted aqueous composition comprising lysine monohydrochloride, said process comprising the steps of: - providing a fi...
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