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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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WO/2022/268087A1 |
A high-temperature-resistant silicon dioxide grafted tertiary amine nanoparticle plugging agent and a water-based drilling fluid, in the technical field of oil and gas field drilling. The high-temperature-resistant silicon dioxide grafte...
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WO/2022/267968A1 |
Disclosed in the present invention are an organic-inorganic nano-composite gel plugging agent, and an oil-based drilling fluid. The plugging agent used for an oil-based drilling fluid is an organic-inorganic nano-composite gel, and the r...
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WO/2022/265646A1 |
Methods and compositions for performing a sealing operation in a wellbore. An example method introduces a sealant composition into the wellbore while the sealant composition is under shear. The sealant composition comprises a thixotropic...
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WO/2022/266616A1 |
A system and method for generating base water and precipitate, including combining produced water with seawater to precipitate barium sulfate from barium in the produced water and from sulfate in the seawater, and separating the precipit...
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WO/2022/260824A1 |
Release of hydrochloric acid, hydrofluoric acid and fluoroboric acid into a well may be controlled by introducing into the well an aqueous fluid containing ammonium chloride, ammonium bifluoride, ammonium fluoroborate, ammonium tetrafluo...
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WO/2022/261577A1 |
Methods for utilizing an acid blend to prevent and/or remove blockages encountered during the hydraulic fracturing of a near-wellbore region of a subterranean formation are provided herein. The methods include using an acid blend to diss...
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WO/2022/252620A1 |
The present application discloses an imbibition oil displacement agent and a preparation method therefor. The imbibition oil displacement agent comprises the following components: 20-60 parts by weight of a nano-active agent material, an...
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WO/2022/256431A1 |
Compounds, polymer compositions, systems, and methods for determining a concentration of a polymer composition in a fluid. The polymer compositions may include a copolymer that includes a tagging monomer. The copolymer may have a molecul...
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WO/2022/253858A1 |
The present invention concerns an aqueous alkaline composition comprising at least one glycolipid biosurfactant and at least one non-water soluble lubricant, and its use in industrial processing fluids. Preferably the present invention c...
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WO/2022/256429A1 |
Tagged copolymers, polymer compositions including the tagged copolymers, methods of copolymerization, and methods of hydraulic fracturing. The copolymers may be tagged with a monomer as described herein. Two tagging monomers exhibiting p...
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WO/2022/221664A9 |
Disclosed herewith is a method of using N-hydroxycarboxamide compound based metabolic inhibitor composition, which has demonstrated efficacy for controlling biofilms formed by sulfate reducing prokaryotes. This composition is suitable fo...
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WO/2022/251613A1 |
Methods of evaluating a surfactant (100) may include ultrasonicating a mixture of oil, water, and the surfactant to form at least one of the following: a sub-macroemulsion, a macroemulsion phase or a combination of the aforementioned (10...
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WO/2022/248342A1 |
The present invention relates to a hydraulic fracturing fluid composition comprising a homogeneous non-aqueous organic phase mixture which mixture comprises a base fluid and one or more surfactants.
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WO/2022/248931A1 |
Compositions and methods for acid stimulation of a subterranean sandstone formation.
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WO/2022/247010A1 |
A catalyst composition, a preparation method therefor and the use thereof. The present invention belongs to the technical field of viscosity reduction exploitation of heavy oil. The catalyst composition comprises the following components...
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WO/2022/247011A1 |
Provided are a combined catalytic viscosity reducer and an application thereof, which belong to the technical field of heavy oil recovery. The combined catalytic viscosity reducer consists of four slugs, which are a catalyst slug, a heat...
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WO/2022/250544A1 |
The invention is a mud loss treatment fluid comprising water-swelling polymer granulates (1), where the polymer granulates (1) possess a particle size spread up to 2 mm, where the polymer granulates (1) constitute a packed, vibrated gran...
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WO/2022/250753A1 |
Methods and compositions involving a strong acid precursor that generates and/or releases a strong acid for use in a subterranean formation. In some embodiments, the methods include providing a treatment fluid comprising a base fluid and...
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WO/2022/245904A1 |
Environmentally acceptable branched alkyl alcohol ethoxylate accelerants for proppants coated with curable phenolic resin coating are described herein. Well treatment fluids described herein include an aqueous medium comprising a branche...
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WO/2022/245388A1 |
In one embodiment, a method for recovery of an oil from a porous medium comprises contacting the porous medium with an aqueous nanofluid, solubilizing oil from the porous medium via the nanoparticles to form a dispersion comprising the o...
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WO/2022/236395A1 |
Described herein is an acidizing fluid. The acidizing fluid comprises a colloidal gas aphron-containing acid (CGAA) composition. The fluid is typically for use in matrix acidizing or fracture acidizing procedures and may be applied befor...
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WO/2022/241111A1 |
A method of evaluating a surfactant is provided. The method includes preparing a first emulsion comprising an aqueous phase, an oleaginous phase, and a first surfactant. Then the method includes determining an average droplet size of ole...
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WO/2022/241339A1 |
A fracturing fluid including proppant particulates formed from delayed coke, as well as a method for utilizing such fracturing fluid, are provided herein. The fracturing fluid includes a carrier fluid, as well as proppant particulates co...
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WO/2022/240458A1 |
A liquid additive composition comprising a particulate material, an organic carrier fluid, a viscosifier, and an alcohol alkoxylate surfactant; wherein the particulate material is substantially insoluble in the organic carrier fluid; whe...
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WO/2022/241338A1 |
A proppant including polyolefin-coke composite granules, a hydrocarbon well including such a proppant, and methods of forming the hydrocarbon well using such a proppant are provided herein. The hydrocarbon well includes a wellbore that e...
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WO/2022/233555A1 |
This invention relates to a water-soluble associative amphoteric polymer and its use as a subterranean drilling or treatment fluid, for example in the fields of subterranean hydrocarbon recovery, construction, or geothermal energy.
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WO/2022/236044A1 |
A method for in situ acid stimulation of a subterranean formation that contains a hydrocarbon reservoir may include contacting the formation with an acidizing fluid comprising an aqueous fluid, a sulfonyl chloride, and a mutual solvent, ...
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WO/2022/234551A1 |
Drain and purge pig for oil, gas, and petrochemical pipelines consisting of the following: EPDM, NBR based rubbers, and sulfur and perfur additives. The structural formula is to consider the required compound depending on the pipe size. ...
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WO/2022/226624A1 |
Described herein is a fluid for the fracking or stimulation of a hydrocarbon-bearing formation, the fluid comprising a colloidal gas aphron-containing acid (CGAA) composition. The fluid is typically for use in cleaning of perforation deb...
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WO/2022/231575A1 |
Methods for treating paraffins, iron sulfide, hydrogen sulfide, and/or bacteria in subterranean operations and operations involving the production and/or transportation of oil and gas are provided. In one or more embodiments, the methods...
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WO/2022/231723A1 |
A water-based drilling mud composition may include an aqueous carrier, an asphalt sulfonate salt, and insoluble latex particles. The insoluble latex particles promote stabilization of an emulsion formed in response to introduction of an ...
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WO/2022/232551A1 |
Well treatment fluids may include solid particles comprising one or more components selected from the group consisting of urea, ammonium nitrate, ammonium chloride, barium hydroxide, and ammonium thiocyanate. These well treatment fluids ...
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WO/2022/230962A1 |
The present invention provides a diverting agent which is highly effective in filling fractures and has solubility in water to be rapidly removable after the lapse of a certain time period. This diverting agent comprises a shaped resin h...
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WO/2022/232630A1 |
Described herein are compositions, techniques, methods, and systems for sequestering carbon, for producing oil, for improved oil recovery, and for storing hydrogen by way of injecting aqueous mixtures into subterranean reservoirs. The aq...
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WO/2022/225571A1 |
The present disclosure provides methods and compositions for controlling asphaltenes in a subterranean formation. The compositions may include silica, a polymer, and optionally a charged surfactant. The compositions may also include a so...
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WO/2022/225539A1 |
A method may include introducing into a wellbore a treatment fluid including a nanoparticle antiscalant; and a base fluid; contacting the nanoparticle antiscalant with an iron sulfide scale present in the wellbore; and dissolving at leas...
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WO/2022/224145A1 |
The present application describes compositions and methods for inhibiting acid corrosion.
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