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WO/2023/025058A1 |
Provided in the present invention are a hydrocarbyl tetralin polyethersulfonate, a preparation method therefor and the use thereof. The hydrocarbyl tetralin polyethersulfonate is represented by formula (I-0). The hydrocarbyl tetralin pol...
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WO/2023/028376A1 |
Disclosed are surfactants, as well as methods of using thereof in oil and gas operations.
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WO/2023/028040A1 |
Disclosed are succinic anhydride-derived polyester compounds used in compositions and methods for inhibiting corrosion.
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WO/2023/028378A1 |
Disclosed are compounds as well as methods of using thereof in oil and gas operations. The compounds described herein can be used in Enhanced Oil Recovery (EOR) formulations to provide aqueous stability and ultra-low interfacial tension ...
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WO/2023/020186A1 |
Provided in the present invention are a geopolymer material, and a preparation method therefor and the use thereof. The geopolymer material contains modified siallite. On the basis of the total amount of the modified siallite and in term...
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WO/2023/022789A1 |
Methods and treatment fluids for removing mixed scale. A treatment fluid is introduced into a wellbore comprising a mixed scale of interspersed calcium carbonate and calcium sulfate. The treatment fluid comprises: phosphonomethyliminodia...
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WO/2023/022726A1 |
Methods for inhibiting scale formation in a subterranean formation are provided. In some embodiments the present disclosure includes providing an organophosphorous compound including a phosphonoalkyl moiety; providing an acid component; ...
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WO/2023/023506A1 |
A synergistic anti-scaling composition, the composition having a scale inhibitor; and a compatibility aid. A synergistic anti-scaling composition, the composition having a scale inhibitor combination, the combination providing (i) a poly...
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WO/2023/022959A1 |
A hydraulic fracturing composition, a system incorporating the composition, and methods for using said system. The composition comprises a transport fluid; and a conductive proppant dispersed in the transport fluid, wherein an electrical...
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WO/2023/016099A1 |
A test device for increasing production of coalbed methane by reducing nanobubbles on a coal surface. The test device comprises: a box body (1) internally provided with a fermentation chamber for accommodating coal and bacterial liquid, ...
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WO/2023/016329A1 |
The present application discloses a liquid lightening agent, a preparation thereof, and an application thereof. The liquid lightening agent comprises water, hollow microspheres, and a high molecular polymer, the weight ratio of the water...
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WO/2023/018659A1 |
Citrate polyester additives for crude oils, mixtures of the citrate polyester additives and crude oils, and methods for producing or forming the mixtures are provided. The mixtures and methods comprise at least one citrate polyester addi...
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WO/2023/017057A1 |
The present invention relates to a composition and its use as lubricating additive, in particular to its ability to improve the lubricating property of water-based muds.
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WO/2023/015730A1 |
The present invention provides a polymeric microsphere with a surfactant wrapped therein, comprising a polymeric microsphere and coconut diethanol amide wrapped therein. The present invention further provides a preparation method therefo...
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WO/2023/018868A1 |
A polyacrylamide friction reducer wherein the friction reducer contains surfactant functional groups, and wherein the polyacrylamide friction reducer is degradable, can be used for multi-functional, slickwater fracturing fluid projects. ...
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WO/2023/014921A1 |
A method of repairing a well is provided. The method includes injecting a brine solution into the well, injecting carbon dioxide into the well, and reacting the brine solution in the reservoir rock with the carbon dioxide to form calcite...
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WO/2023/014941A1 |
Compounds, compositions and methods are provided for reducing, inhibiting, or preventing corrosion of a surface, using a polyester polyamine compound. The polyester polyamine compound having a structure corresponding to Formula 1 or 2, o...
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WO/2023/014851A1 |
Compositions comprising a nonionic surfactant and 0.1 to 30 wt.% of a low-mole alkoxylate are disclosed. Some low-mole alkoxylates have the formula R-O-(AO)pH wherein R is a linear or branched C8-C16 alkyl or alkanolamide group, AO is ox...
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WO/2023/014955A1 |
Compositions and methods are provided for reducing, inhibiting, or preventing corrosion of a surface, the polyamine compounds corresponding to the structure of Formula 1 or 2, or a salt thereof, wherein X1 is –C(O)R9 or –[C(R10R11)]p...
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WO/2023/014484A1 |
Coated proppants include a proppant particle, a surface copolymer layer surrounding the proppant particle, and a resin layer surrounding the surface copolymer layer. The surface copolymer layer includes a copolymer of at least two monome...
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WO/2023/009149A1 |
A method may include: introducing a silane based aqueous soluble resin into a wellbore, wherein the silane based aqueous soluble resin comprises a glycidyl alkoxy silane containing resin and an amino alkoxy silane hardener. The silane ba...
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WO/2023/009147A1 |
A method of producing a cement composition with reduced carbon emissions may include: defining cement constraints comprising at least one cement property; calculating a set of cement compositions which satisfy the cement constraints, usi...
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WO/2023/009115A1 |
A method of servicing a wellbore penetrating at least a portion of a subterranean formation, including placing into the wellbore a wellbore servicing fluid including a friction reducer, an iron control agent, and an aqueous fluid. The ir...
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WO/2023/005769A1 |
The present invention relates to the technical field of oilfield chemistry. Disclosed are a polymer, a thickening agent, and a preparation method therefor. The polymer comprises a structural unit as shown in formula (1), a structural uni...
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WO/2023/009994A1 |
A corrosion inhibitor for a surface comprising copper or alloys thereof. The corrosion inhibitor may comprise a biochelant, a primary corrosion inhibitor, and a solvent.
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WO/2023/009352A1 |
A method includes disposing a device into a borehole in proximity to a subterranean formation where a filter cake has been formed adjacent thereto, the device comprising a support structure and a shape-memory article disposed at the supp...
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WO/2023/003572A1 |
A method of servicing a wellbore penetrating a subterranean formation, comprising placing into the wellbore a cementitious composition comprising a crosslinked polymeric microgel, a clay, a cementitious material, and water. By incorporat...
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WO/2023/003630A1 |
A brine-based viscosified pill including (1) a viscosified brine, (2) a surfactant-solvent blend containing about 5 wt.% to about 40 wt.% of at least one nonionic surfactant; about 5 wt.% to about 20 wt.% of at least one polyglycerol est...
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WO/2023/003943A1 |
Controlled release particles may include stimuli-responsive coatings on porous particles to allow for controlled release of a material in the pores of the porous particles. For example, a composition may comprise: a porous particle; a ma...
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WO/2023/287746A1 |
Treatment of hydrocarbon formations using acid blends that contain water soluble polymers having chemical affinity for acid-susceptible rock species in the hydrocarbon formation is described herein. The polymers retard the activity of ac...
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WO/2023/288093A1 |
Disclosed herein are compositions comprising a backbone having poly(maleic acid-co-sodium allyl sulfonate), and an additional monomer comprising an anionic monomer, a non-ionic monomer, or a cationic monomer. Further, the unsaturated car...
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WO/2023/287443A1 |
Cement compositions and methods for using the same in subterranean formations are provided. In one embodiment, the methods include introducing a treatment fluid including an aqueous base fluid, at least one viscoelastic surfactant, a div...
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WO/2023/287442A1 |
Compositions of lost circulation materials and methods for using the same in subterranean formations are provided. In one embodiment, the methods include introducing a treatment fluid into a wellbore penetrating at least a portion of a s...
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WO/2023/283727A1 |
The present disclosure generally relates to compositions containing percitric acid, treatment fluids containing such compositions and methods of using the treatment fluids during various oil-and gas-field operations including hydraulic f...
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WO/2023/284178A1 |
A surfactant composition for oil displacement in high-temperature and high-minerality oil reservoirs, comprising a primary agent, a synergist and a cosolvent. It has good interfacial activity, can further reduce oil-water interfacial ten...
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WO/2023/283480A1 |
Treatment of subterranean formations using acid blends that contain alcohols and surfactants is described herein. The alcohols and surfactants are used together to retard the activity of acid on acid-susceptible species of rock formations.
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WO/2023/281233A1 |
The present invention relates to a water-soluble polymer having a weight-average molecular weight greater than 10 million daltons. This polymer is obtained from 2-acrylamido-2-methylpropane sulphonic acid and/or one of its salts at least...
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WO/2023/283478A1 |
Methods of stimulating a hydrocarbon reservoir are described herein. An aqueous dispersion of elastomeric particles that swell when in contact with water, each particle having a size in a range from about 10 µm to about 1,000 µm, is pu...
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WO/2023/281084A1 |
The present invention relates to a method for obtaining a bio-sourced (meth)allylsulfonate alkali salt obtained from a (meth)allyl halide, said (meth)allyl halide being at least partially renewable and non-fossil, a (co)polymer obtained ...
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WO/2023/279712A1 |
Provided in the present invention are a pH-responsive nano-gel plugging material, and a preparation method therefor and the use thereof. The pH-responsive nano-gel plugging material comprises the following raw materials in parts by mass:...
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WO/2023/279554A1 |
Provided in the present invention are an application of naphthenic imidazoline in inhibiting the formation of natural gas hydrates, and a composition containing same. The composition comprises naphthenic imidazoline and a modified polysa...
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WO/2023/281081A1 |
The present invention relates to a method for obtaining substituted alkyl(meth)acrylamide comprising the reaction between (meth)acrylic acid or one of the esters thereof on the one hand, and a primary or a secondary alkylamine on the oth...
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WO/2023/283432A1 |
Geopolymeric compositions are presented that are useful for cementing subterranean wells. The compositions may contain an aluminosilicate source, a metal silicate, an alkali activator and a slurry density modifier that may contain uintai...
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WO/2023/283346A1 |
Drilling fluid mixtures are described herein that are stable oil-in-water emulsions. Also described herein are surfactant packages for stabilizing such emulsions. The surfactant packages use an alkyl ether anion comprising an alkyl porti...
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WO/2023/281078A1 |
The present invention relates to a method for obtaining diallyldialkylammonium halide comprising the reaction between allyl halide and a dialkylamine, one of the two, preferentially both, being at least partially renewable and non-fossil...
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WO/2023/278903A1 |
Methods of treating a subterranean formation including shale include preparing a treatment fluid by mixing an aqueous base fluid and a dry polyvinyl pyrrolidone (PVP) in flake or powder form having a molecular weight between about 500,00...
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WO/2023/274976A1 |
The present invention relates to emulsion stabilizing agents, to subterranean treatments fluids comprising said emulsion stabilizing agents and to a method of treating subterranean formations using said subterranean treatments fluids. Th...
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WO/2023/275266A1 |
The present invention relates to a cement slurry composition comprising: 25% to 60% by volume of cenospheres; 15% to 45% by volume of a combination of a cementitious material and an additive; 20% to 35% by volume of water and 3% to 15% b...
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WO/2022/271974A1 |
A method for recovering hydrocarbons from a hydrocarbon bearing formation (1008) includes introducing a first solution having a first salt into the hydrocarbon bearing formation. A second solution is also introduced into the hydrocarbon ...
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WO/2022/269217A1 |
An oil tracer compound is provided comprising a halogenated compound having a plurality of carboxylic ester functional groups, and with a melting point equal to or greater than about 60°C. There is also provided a composite material com...
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