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WO/2022/028376A1 |
The present invention relates to a polymer particle, a manufacturing method therefor, and the use thereof as a well wall reinforcement material, etc. The polymer particle comprises a polyhydroxy polymer, water, and a cross-linked zwitter...
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WO/2022/029311A1 |
The present invention belongs to the field of well drilling and to the extraction of a natural resources such as ground water, brine, natural gas, or petroleum, for the injection of a fluid. The present invention relates to a new aqueous...
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WO/2022/027532A1 |
The present invention provides a high temperature-resistant and high-strength thixotropic gel leakage inhibitor, a preparation method therefor and use thereof. Said gel leakage inhibitor comprises the following raw material components in...
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WO/2022/025949A1 |
Drilling fluid compositions and methods for using drilling fluid compositions are provided with enhanced anti-bit balling properties that include an aqueous-based fluid, one or more drilling fluid additives, and an anti-bit balling addit...
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WO/2022/024791A1 |
The present invention provides a PVA having excellent heat resistance and pressure resistance. This polyvinyl alcohol-based polymer is obtained through saponification of: a homopolymer formed of a vinylester monomer; a copolymer of a vin...
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WO/2022/024792A1 |
A poly(vinyl alcohol)-based polymer (PVA) having satisfactory unsusceptibility to high-temperature dissolution is provided. The PVA is obtained by saponifying any of a homopolymer obtained from a vinyl ester monomer, a copolymer of a vin...
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WO/2022/025948A1 |
Drilling fluid compositions and methods for using drilling fluid compositions are provided with enhanced lubricating properties that include an aqueous -based fluid, one or more drilling fluid additives, and a lubricating additive. The l...
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WO/2022/026434A1 |
Disclosed are sulfur-containing molybdenum complexes used in compositions and methods for inhibiting or reducing high temperature corrosion in petroleum refineries.
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WO/2022/022355A1 |
The present invention relates to a self-healing composition, and a preparation method for and an application of the composition. The composition is of a core-shell structure; the core contains a hydrogenated styrenic thermoplastic elasto...
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WO/2022/026090A1 |
A hydraulic fracturing method is disclosed. A small proportion of a nonionic surfactant is used in combination with an acrylamide polymer emulsion friction reducer, the proppant, and the base water to boost the viscosity of the fracturin...
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WO/2022/019927A1 |
Provided is a quaternary ammonium surfmer, that may have the following general formula (I): N+-R1R2R3R4(X-), where: R1 and R2 may independently be H or a C1-C3 alkyl, R3 may be a C19+ amidoalkyl group, R4 may be a C3-C6 alkyl having a te...
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WO/2022/016711A1 |
A tackifying composition, a preparation method therefor and the use thereof. The tackifying composition comprises water and a montmorillonite/polymer nano material. The hydration particle size of the montmorillonite/polymer nano material...
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WO/2022/018184A1 |
The present invention relates to the use of an activated carrot fiber for producing products in the food or non-food industry. The invention further relates to products that contain the activated carrot fiber.
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WO/2022/020719A1 |
Enhanced oil recovery (EOR) including with a lamellar phase having Janus nanoparticles, petroleum surfactant, crude oil, and water and with additional water to give the flooding fluid that may be pumped through a wellbore into a subterra...
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WO/2022/019937A1 |
A polymer gel may comprise a polymer gel base material and superparamagnetic nanoparticles. At least 25 wt.% of the superparamagnetic nanoparticles may have diameters in a first size range between a first diameter and a second diameter. ...
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WO/2022/020595A1 |
The present application provides expandable chemical diverting agents, such as flexible polyurethanes and swellable hydrogels, or chemical precursors thereof. Methods of using these expandable diverting agents for treating a subterranean...
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WO/2022/019979A1 |
A winterized paraffin inhibitor, which is capable of being used for preventing the deposition of paraffins in hydrocarbon streams and capable of withstanding freezing or crystallization at freezing or sub-freezing temperatures, may be fo...
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WO/2022/019935A1 |
A method of remediation of a water-bearing formation is disclosed. A first solution containing a nitrogen-containing compound and a second solution containing a nitrite-containing compound are introduced into the water-bearing formation....
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WO/2022/020799A1 |
A method of hydraulic fracturing of a subterranean formation having a well bore includes steps of sequentially injecting different slurries with nano, micro and then macro sized proppants generated from coal ash into the well bore in ord...
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WO/2022/015673A1 |
Branched surfactants for use in formulations and processes suitable for hydrocarbon recovery. These formulations, include formulations suitable for fracking, enhancing oil and or gas recovery, and the recovery and/or production of bio-ba...
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WO/2022/015785A1 |
A system and method for hydraulic fracturing a subterranean formation with fracturing fluid to generate fractures, and intermittently adjusting a characteristic of the fracturing fluid conveying proppant to form pillars of proppant in th...
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WO/2022/015342A1 |
An invert oil-based mud (OBM) may include an oleaginous continuous phase, an aqueous internal phase, and an emulsifier. The emulsifier may include one or more of the group consisting of epoxidized methyl oleate, epoxidized methyl linolea...
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WO/2022/015653A1 |
An oxyalkylated branched aliphatic compound produced by oxyalkylating a branched aliphatic compound having 12 or more carbon atoms in which the branched aliphatic compound having 12 or more carbon atoms is grafted with a polyether via a ...
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WO/2022/015341A1 |
An invert oil-based mud (OBM) may include an oleaginous continuous phase, an aqueous internal phase, an emulsifier; and a rheology modifier. The rheology modifier may include one or more of the group consisting of epoxidized methyl oleat...
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WO/2022/015932A1 |
This disclosure relates to compositions including a poly-alkene maleic anhydride copolymer, a PEG, and a crosslinker selected from an ethyleneamine, a benzenetricarboxylic acid, a benzimidazole, and combinations thereof. The poly-alkene ...
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WO/2022/015816A1 |
Degradable polymer additives are provided. The degradable polymer additives include a tracer functional group that is bonded to a base polymeric component by a hydroly sable covalent bond. The base polymeric component is a polysaccharide...
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WO/2022/013339A1 |
The present invention relates to a drilling fluid comprising an alkaline earth metal mineral carrier having an intra-particle intruded specific pore volume of at least 0.8 cm3/g, a process for producing a drilling fluid and the use of a ...
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WO/2022/013117A1 |
The present invention relates to a lubricant composition comprising: (a) A hydrocarbon oil comprising at least 30%wt of isoparaffins, based on the total weight of the hydrocarbon oil, and (b) An alkoxylated natural oil. The invention is ...
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WO/2022/015337A1 |
The compositions for removing a mineral phase from a surface composition for removing a mineral phase of inorganic sulfate scale include a phosphonoalkyl aminopolycarboxylic acid chelating agent; a wettability modifier comprises a dibasi...
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WO/2022/010501A1 |
A method may include comprising: defining engineering parameters of a proposed cement slurry, the engineering parameters comprising at least a compressive strength requirement, a density requirement, a storage time requirement, and a thi...
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WO/2022/010494A1 |
A method of designing a cement slurry may include: (a) selecting at least a cement and concentration thereof, a water and concentration thereof, and one or more chemical additives and a concentration thereof such that a cement slurry for...
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WO/2022/008355A1 |
This invention relates to a thermite reaction charge comprising bismuth oxide and aluminium adapted to react with a reaction rate giving a reaction time of 8 to 15 seconds for a thermite reaction charge of 30 to 100 kg from initialisatio...
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WO/2022/010495A1 |
A method of designing a cement slurry comprising: (a) selecting at least a cement and concentration thereof, a water and concentration thereof, and one or more chemical additives concentration thereof such that a cement slurry formed fro...
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WO/2022/010496A1 |
A method of designing a cement slurry may include: (a) selecting at least a cement and concentration thereof, water and concentration thereof, and, optionally, at least one supplementary cementitious material and a concentration thereof,...
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WO/2022/011263A1 |
A friction reducer includes a polysaccharide-graft-water-soluble polymer is provided. A polysaccharide in an amount of from about 0.1 to 50% by weight (wt.%) may make up the polysaccharide-graft-water-soluble polymer. A wellbore treatmen...
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WO/2022/007390A1 |
A solid-free and high-density completion fluid, comprising water, calcium bromide, zinc chloride and an imidazoline additive, wherein the mass ratio of the water, the calcium bromide, the zinc chloride and the imidazoline additive is 10:...
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WO/2022/010493A1 |
A method of servicing a wellbore penetrating a subterranean formation, comprising placing a wellbore servicing fluid (WSF) into the wellbore proximate a permeable zone having an average fracture width of about W microns, wherein the WSF ...
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WO/2022/011025A1 |
An invert emulsion drilling fluids having a combination of fatty acids derived from waste vegetable oil (WVO) and a fatty alcohol as a rheology modifier. An invert emulsion drilling fluid may include a water in oil emulsion, an invert em...
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WO/2022/010499A1 |
A method of cementing may include: measuring a feeding rate of water and a feeding rate of cement blend into a cement blender; calculating a cement retarder feeding rate and/or an accelerator feeding rate using a thickening time model, w...
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WO/2022/010530A1 |
In accordance with one or more embodiments of the present disclosure, a foam suitable for use in hydrocarbon recovery includes a gas phase and a liquid phase. The liquid phase includes a foaming mixture, and the foaming mixture includes ...
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WO/2022/011096A1 |
A method and a system for a water shut off material in a wellbore are provided. In an exemplary embodiment the water shutoff material includes a precipitate formed from a solution of asphaltene and an aqueous precipitant.
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WO/2022/010505A1 |
Provided is a lost circulation material that may consist essentially of an alkaline nanosilica dispersion and a sodium bicarbonate activator. Further provided are methods that may control lost circulation in a lost circulation zone in a ...
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WO/2022/010502A1 |
A method is disclosed for mitigating a lost circulation zone. The method may include providing a lost circulation treatment composition that may include an acid responsive polymer that may include at least one monomer, at least one comon...
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WO/2022/010527A1 |
A method of treating a lost circulation zone in a wellbore includes contacting an accelerant composition comprising triethanolamine with a cement composition in the lost circulation zone, the cement composition comprising at least: from ...
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WO/2022/008982A1 |
In many cases, it is possible that the high water to soil aggregates ratio in swamps and coastal lands, estuaries and sandy beaches in the subsoil layers requiring excavation and construction of parking lots and underground floors causes...
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WO/2022/005477A1 |
A method comprises identifying a depositional form of a mineral phase in a sedimentary rock sample based on a measurement of a parameter indicative of a size of crystallites of the mineral phase in the rock sample.
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WO/2022/002226A1 |
An alkylaniline polyether benzene sulfonate oil-displacement surfactant, which has a structure as represented by formula (I). A polyether chain in the structure of the alkylaniline polyether benzene sulfonate oil-displacement surfactant ...
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WO/2022/005493A1 |
A hybrid nanosurfactant composition may include a core phase including a sulfonate surfactant and a first aqueous fluid, a zwitterionic surfactant encapsulating the core phase, a plurality of magnetic particles disposed in the core phase...
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WO/2022/005775A1 |
An N-vinyl amide polymer is disclosed. The N-vinyl amide polymer is a reaction product of: a monomer component comprising an N-vinyl amide; and a chain transfer agent of the formula: wherein each occurrence of R1 is independently a C1-20...
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WO/2022/005962A1 |
In accordance with one or more embodiments of the present disclosure, a low-density treatment fluid includes a base water-control system and at least one light-weight filler material. The base water-control system may include an inorgani...
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