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WO/2022/118964A1 |
The present invention is a drilling fluid containing water, a biodegradable fiber, and a thickener, wherein the thickener contains water-absorbent silicate, and the fiber length of the biodegradable fiber is 5.0-50 mm.
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WO/2022/115284A1 |
A method of enhanced oil recovery comprising introducing into one or more injection wells located within a subterranean formation a treatment fluid comprising (i) an aminopolycarboxylic acid comprising a phosphonoalkyl moiety; and ii) a ...
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WO/2022/115285A1 |
A method of producing natural resources from a wellbore penetrating a subterranean formation with a Huff and Puff process comprising:(a) placing a recovery enhancing fluid system into the wellbore during an injection (Huff) period of tim...
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WO/2022/114949A1 |
The invention provides a demulsifier compound, formulations comprising the demulsifier compound, and methods for preparing the demulsifier compound.
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WO/2022/115117A1 |
A method of servicing a wellbore may comprise providing a treatment fluid comprising a carrier fluid and hollow particles, wherein the hollow particles may comprise an outer wall that encapsulates a gas. The method may further comprise i...
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WO/2022/115786A1 |
Embodiments of the present disclosure generally relate to methods and formulations for enhanced oil recovery. In an embodiment, a method for treating oil-containing porous media for oil recovery includes introducing oil-containing porous...
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WO/2022/115283A1 |
A method of enhanced oil recovery comprising placing into a subterranean formation a treatment fluid comprising (i) a compound comprising a phosphonoalkyl moiety; and (ii) a base fluid wherein a pH of the treatment fluid ranges from abou...
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WO/2022/109216A1 |
A system and method for a treatment of a subterranean formation. The treatment may include pumping a water shut-off material (1) into a wellbore (2) and to a target zone (210) in the subterranean formation (3). The treatment may also inc...
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WO/2022/108850A1 |
A reversible gel composition including nanosilica and polyethylene oxide, the nano silica and polyethylene oxide present at concentrations operable to allow for the reversible gel composition to be a flowable liquid at pH greater than ab...
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WO/2022/106308A1 |
Process for making water-soluble, NVP-containing copolymers in powder form comprising an amount of residual water from 5 wt.-% to 25 wt.-% by radically polymerizing an aqueous solution comprising from 20 to 70 wt.-% of water-soluble ethy...
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WO/2022/099399A1 |
Described herein are deep eutectic solvents and their use as drilling fluids. The DBS typically comprises an organic salt and a metal salt; an organic salt and a hydrated metal salt; an organic salt and a hydrogen bond donor; and/or a me...
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WO/2022/099826A1 |
The present invention relates to a Gemini polyoxyethylene ether succinate surfactant for oil displacement and a preparation method therefor. The present invention is characterized in that the surfactant is a Gemini alkylphenol polyoxyeth...
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WO/2022/099450A1 |
Disclosed is a method for preparing a coal bed fracturing propping agent. The preparation method comprises the following steps: charging a planetary ball mill with bauxite, coal ash, and coal gangue, carrying out ball milling for 3-5 h, ...
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WO/2022/104049A1 |
Methods for preparing alkenylphenone corrosion inhibiting compositions may include providing an arylacetone and reacting the arylacetone with formaldehyde in the presence of a strong base catalyst. Corrosion inhibiting compositions may i...
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WO/2022/101081A1 |
A method of producing mineral oil from underground mineral oil deposits comprising oilbearing carbonate rocks, in which an aqueous composition comprising at least one alkoxylated amine is injected into a mineral oil deposit through at le...
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WO/2022/099400A1 |
Described herein are ternary deep eutectic solvents and their use as drilling fluids. The TDES typically comprises an organic salt and a metal salt; an organic salt and a hydrated metal salt; an organic salt and a hydrogen bond donor; an...
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WO/2022/103631A1 |
A method for reducing water production from a hydrocarbon bearing subterranean formation includes identifying a high permeability zone in the formation and injecting a dense CO2 composition from a production well into the high permeabili...
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WO/2022/103828A1 |
Cement slurries, cured cements, and methods of making cured cement and methods of using cement slurries are provided. The cement slurries have, among other attributes, improved expanding capabilities and may be used, for instance, in the...
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WO/2022/099460A1 |
A method for preparing filtrate reducer CSt-KH570-AM, the method comprising the following steps: adding cassava starch and deionized water to a three-neck flask equipped with an electric stirring paddle and an air inlet/outlet pipe, plac...
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WO/2022/101102A1 |
The present invention relates to a method for treating a production effluent from an enhanced oil recovery process using at least one surfactant, the effluent being in the form of an oil-in-water emulsion comprising, in percentage by vol...
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WO/2022/103645A1 |
A method for enhanced oil recovery from a hydrocarbon bearing subterranean formation includes withdrawing hydrocarbons from a production well extending into the formation, identifying a high permeability streak in the formation, and inje...
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WO/2022/103735A1 |
Disclosed herein are drilling fluid compositions suitable for use, for example, in drilling a well bore through a subterranean formation and other oil and gas operations. The drilling fluid compositions of the present disclosure include ...
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WO/2022/100167A1 |
A method for preparing a micron-scale spherical weighting material. A high-purity iron concentrate powder with a density ≥4.8 g/cm3 is selected as a raw material, and is subjected to a crushing-air flow classification to obtain micron-...
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WO/2022/100166A1 |
Disclosed is a method for preparing a micron-scale spherical weighting material by using iron ore concentrate powder as a raw material: selecting iron ore concentrate powder having a density of ≥4.5 g/cm3 as a raw material, passing the...
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WO/2022/098411A1 |
The present invention generally relates to the field of conformance control in oil fields, particularly to a re-crosslinkable preformed particle gel system, and composition thereof. The composition of the re-crosslinkable preformed parti...
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WO/2022/098390A1 |
A method of dissolving a gas hydrate in a pipeline includes introducing a gas hydrate dissolving solution into the pipeline and allowing the gas hydrate dissolving solution to at least partially dissolve the gas hydrate in the pipeline. ...
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WO/2022/098891A1 |
Systems for generating stable emulsions may employ one or more liquid-liquid ejectors for mixing the oil with water through motive and suction streams to produce the emulsion as a discharge stream. One or more motive tanks may be fluidly...
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WO/2022/098587A1 |
A liquid phase enhanced oil recovery system that, in a stimulation phase, pumps a liquid mixture of propane (C3) and butane (C4) having a starting ratio of C3 to C4 into a well. During a subsequent production phase, liquid C3 and liquid ...
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WO/2022/099203A1 |
Crude oil may be treated with an additive made with Tire Pyrolysis Oil and naphtha, condensate, or both naphtha and condensate. Also disclosed herein are compositions including Tire Pyrolysis Oil wherein the composition is selected from ...
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WO/2022/089410A1 |
Disclosed are a polyacrylamide-based symmetrically branched polymer type surfactant, a preparation method therefor and an application thereof. The surfactant comprises an acrylamide structural unit, an anionic monomeric structural unit, ...
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WO/2022/093733A1 |
Lost circulation materials may include pluralities of ceramic spheres having a size distribution in a range of from about 5 mm to about 25 mm and such that the lost circulation materials are porous and permeable. Methods of eliminating o...
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WO/2022/090717A1 |
A process is disclosed that includes providing a mixture to a wellbore. The mixture can comprise formic acid or a formic acid precursor, a salt of lactic acid, and a salt of gluconic acid. The mixture can be introduced into an undergroun...
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WO/2022/090283A1 |
The present invention relates to a water-based subterranean treatment fluid, comprising: a) a continuous aqueous phase; b) an internal oil phase; c) from 0.1 to 15 g/100 ml, based on the total fluid volume, of an emulsifying composition ...
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WO/2022/093611A1 |
The disclosure relates to improved methods for inhibiting the formation and deposition of calcite scale in aqueous systems. In particular, the methods include injecting a composition into an aqueous system or wellbore. The composition in...
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WO/2022/093059A1 |
The method of fluid loss control is provided for the case of high-rate fluid loss. Two treatment fluids are provided, where a first treatment fluid comprising a carrier fluid, solids and a first polyelectrolyte, and a second treatment fl...
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WO/2022/087002A1 |
Compositions for treating a wellbore include an exothermic additive capable of initiating an exothermic event following contact with a carrier fluid. The exothermic additive can have a coating that delays the exothermic event after conta...
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WO/2022/084904A1 |
A new class of multifunctional tracers has been synthesised for use in the oil industry, specifically during waterflooding operations. They are used either in a traditional way (i.e. mapping the connections of oilfield selections) or to ...
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WO/2022/085796A1 |
The present invention addresses the problem of providing a diverting agent which exhibits good plugging performance with respect to various cracks. A diverting agent according to the present invention contains a polyvinyl alcohol resin (...
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WO/2022/083963A1 |
The present disclosure provides polymeric systems that exhibit enhanced viscosity and proppant transport properties while providing enhanced particle dispersion capabilities.
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WO/2022/086743A1 |
Treatment fluids of the present disclosure may comprise an aqueous base fluid and a surfactant composition. The surfactant composition may comprise a sulfonate surfactant in an amount of from 0.01 wt.% to 2 wt.% based on the total weight...
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WO/2022/082949A1 |
A mussel bionic principle-based coal seam moistening method, which relates to the technical field of coal mine dust prevention. The raw material composition of a coal seam water injection wetting agent used in the method is as follows: d...
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WO/2022/076813A1 |
A subterranean zone can be treated by introducing a mixture of an acid-generating material and a proppant (for example, in a pad fluid or a pre-pad fluid) to the subterranean zone. Fractures and microfractures are created in the subterra...
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WO/2022/076501A1 |
A method of forming a barrier to overcome lost circulation in a subterranean formation. The method includes injecting a polymer-sand nanocomposite into one or more lost circulation zones in the subterranean formation where the polymer-sa...
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WO/2022/069417A1 |
The present invention relates to a composition of amide(s), its ability to solubilize in saline water and to emulsify it and to a process for recovering crude oil from a subterranean hydrocarbon containing formation using it.
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WO/2022/071991A1 |
A method of servicing a wellbore in a subterranean formation comprising: placing components of a wellbore servicing fluid in the wellbore and/or subterranean formation, wherein the components comprise a hydrophobically modified relative ...
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WO/2022/069897A1 |
A process for cleaning a waste material is described. The process comprising a first step of mixing a first composition with the waste material (12), wherein the waste material comprises a hydrocarbon containing waste material, and the f...
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WO/2022/072575A1 |
In accordance with one or more embodiments of the present disclosure, an acidizing fluid suitable for use in acid treatment of subterranean formations includes an aqueous base fluid, an acid, and a surfactant comprising an oil mixture. T...
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WO/2022/066861A1 |
The present disclosure provides hydraulic fracturing treatment fluid compositions and systems, and methods of hydraulic fracturing hydrocarbon-bearing formations and/or increasing fracture complexity of a fracture network within a subter...
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WO/2022/066205A1 |
Improved emulsifier for synthetic-based mud, process for preparation, and drilling method. The emulsifier has the formula (II) wherein each R1 is a C4 to C30 alkyl; R2, R3, R5, and R6 are each independently selected from H, C1 to C4 alky...
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WO/2022/066208A1 |
According to one or more embodiments of the present disclosure, a method for producing an emulsifier suitable for use in an emulsion drilling fluid may comprise esterifying a processed vegetable oil to produce a first mixture comprising ...
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