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WO/2021/231693A1 |
Compositions and methods for prevention and reduction of iron sulfide scale formation, one method including detecting at least one component indicative of an iron sulfide scale precursor, the at least one component selected from the grou...
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WO/2021/230954A1 |
A method comprising (a) contacting a suspension composition, water, and optionally one or more additives to form a wellbore servicing fluid at a location proximate a wellsite; wherein the suspension composition comprises a particulate ma...
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WO/2021/231147A1 |
A method of stabilizing asphaltenes in a petroleum hydrocarbon fluid is disclosed. The method includes contacting the petroleum hydrocarbon fluid with a polybenzoxazine comprising repeating structural units of Formula (I) wherein R1 is h...
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WO/2021/225626A1 |
A method for controlling loss circulation in a subterranean formation. The method includes circulating in a wellbore a nanosilica drilling fluid having a pH in a range of from about 8 to about 11 and a gel pH of less than 8, where the na...
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WO/2021/225681A1 |
A method for controlling loss circulation. The method includes introducing into a wellbore a nanosilica drilling fluid comprising water, an alkaline nanosilica dispersion, and at least one additive. The method further includes introducin...
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WO/2021/226222A1 |
A demulsifier composition comprises an oxy alkylated polybenzoxazine having repeating units of Formula (I): wherein R1 is hydrogen, a C1-30 alkyl, a C3-30 cycloalkyl, a C6-30 aryl, a C7-30 alkylarylene, a C7-30 arylalkyl, a C5-30 heteroa...
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WO/2021/223870A1 |
The invention relates to a composition comprising a fatty acid-methyl ester component and an alcohol component, the composition being liquid at normal pressure at 20°C and being immiscible with water. The invention further relates to a ...
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WO/2021/223609A1 |
Disclosed is a carbon-dioxide-responsive self-thickening intelligent fluid based on supramolecular self-assembly. The carbon-dioxide-responsive self-thickening intelligent fluid comprises a Gemini surfactant, a single-chain amide molecul...
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WO/2021/219973A1 |
An oil field chemical release system for controlled release of an oil field chemical within a hydrocarbon reservoir, well, or wellbore, the oil field chemical release system comprising: a plurality of microcapsules, each microcapsule com...
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WO/2021/221541A1 |
A method for developing an oil field under flooding conditions includes pumping a working fluid into injection wells and withdrawing oil from producing wells, wherein from among the producing wells, at least one well is selected which is...
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WO/2021/222520A1 |
Compositions comprising a neutral surfactant or a reaction product thereof and a reaction product of a saccharide polymer and a fatty acid may be obtained in the presence of water and a hydroxide base (optionally in the presence of the n...
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WO/2021/219318A1 |
The invention relates to a method for sealing and/or consolidating a subterranean formation, wherein an aqueous gelling solution containing an alkaline potassium silicate solution, an acetic acid and an aluminate is prepared and subseque...
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WO/2021/218019A1 |
Disclosed in the present application a nano oil displacement agent, a preparation method therefor, and an application thereof. The nano oil displacement agent is characterized by comprising: a nanomaterial, a surfactant, a water-soluble ...
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WO/2021/221694A1 |
A method is disclosed that includes introducing one or more dual function inhibitor compounds through an umbilical into a deepwater environment such that the one or more dual function inhibitor compounds are introduced into a fluid in th...
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WO/2021/221970A1 |
An invert-emulsion drilling fluid may include a dispersed aqueous phase including an aqueous base fluid, a continuous non-aqueous phase including a non-aqueous base fluid, and a first bridging package. The first bridging package may incl...
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WO/2021/221751A1 |
A treatment composition for reducing viscosity, pour point, and precipitate content of a hydrocarbon fluid at temperatures below 90°F, preferably 34°F to 90°F. The treatment composition includes one or more mixed fatty acid methyl est...
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WO/2020/219629A9 |
Stimulation treatments are designed and performed in a manner that takes into account radial acid flow into the formation. A reservoir core plug is selected and a liner core flow test is performed. The core flow test comprises measuring ...
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WO/2021/217129A1 |
The present disclosure is directed to polyanionic surfactants, surfactant mixtures, compositions derived thereof, and uses thereof in hydrocarbon recovery. Methods of making polyanionic surfactants are also described.
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WO/2021/217128A1 |
The present disclosure is directed to polyanionic surfactants, surfactant mixtures, compositions derived thereof, and uses thereof in hydrocarbon recovery. Methods of making polyanionic surfactants are also described.
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WO/2021/216134A1 |
A method of preparing a polymer-sand nanocomposite for water shutoff. The method includes applying a surface polymerization to sand particles. The surfaced polymerization formed by combining a polymerization initiator dissolved in a solv...
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WO/2021/217124A1 |
The present disclosure is directed to polyanionic surfactants, surfactant mixtures, compositions derived thereof, and uses thereof such as in oil and gas operations. Methods of making polyanionic surfactants are also described.
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WO/2021/216111A1 |
A polymer composite hydrogel includes a polymer composite, water, an organic crosslinker, and a salt. The polymer composite includes a nanosheet filler dispersed throughout a polymerized polyacrylamide. The nanosheet filler includes one ...
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WO/2021/217127A1 |
The present disclosure is directed to polyanionic surfactants, surfactant mixtures, compositions derived thereof, and uses thereof in hydrocarbon recovery. Methods of making polyanionic surfactants are also described.
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WO/2021/217126A1 |
The present disclosure is directed to polyanionic surfactants, surfactant mixtures, compositions derived thereof, and uses thereof in hydrocarbon recovery. Methods of making polyanionic surfactants are also described.
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WO/2021/212902A1 |
A method for enhancing the reservoir stability in a hydrate exploitation process, which belongs to the field of natural gas hydrate exploitation, based on the reservoir characteristic of the argillaceous silty sand hydrate in the Shenhu ...
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WO/2021/216110A1 |
A method of preparing a polymer composite includes dispersing a nanosheet filler within a polymer matrix by dissolving a monomer in water to form a first solution, dispersing the nanosheet filler in an organic solvent in the presence of ...
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WO/2021/216861A1 |
A system for diverting fluid in a borehole string includes an object configured to be deployed in the borehole string. The borehole string includes a plurality of fluid ports defining a plurality of zones along a length of the borehole s...
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WO/2021/209242A1 |
The invention relates to a water-soluble branched sulfonated amphoteric polymer, for a water- based drilling fluid, wherein the polymer is obtained by precipitation polymerization, in a mixture of polar solvents, of at least one N,N'-dia...
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WO/2021/211110A1 |
A method, comprising contacting a proppant, water, and a water external emulsion to form a mixture, wherein the water external emulsion has an organic internal phase comprising a surface modifying agent; contacting the mixture with an em...
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WO/2021/211638A1 |
Methods and systems for sealing a lost circulation zone associated with a subterranean include determining geophysical data of the lost circulation zone. An available range of lost circulation shape data and an available range of lost ci...
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WO/2021/209795A1 |
The invention relates to a synergic scale inhibitor composition advantageously used for preventing scale formation and/or scale deposition in aqueous systems comprising dissolved iron ions, particularly in geothermal field, IWT (Industri...
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WO/2021/212141A1 |
Embodiments of the disclosure provide an asymmetrically functionalized nanoparticle and a method for synthesizing the same. The asymmetrically functionalized nanoparticle includes a base nanoparticle. The base nanoparticle can include si...
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WO/2021/209150A1 |
Device and a process for making aqueous treatment fluids comprising water-soluble polymers, preferably polyacrylamides, by mixing an aqueous base fluid with an aqueous polymer concentrate comprising 1.0 to 10 wt. % of a water-soluble pol...
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WO/2021/209149A1 |
Device and a process for making aqueous treatment fluids comprising water-soluble polymers, preferably polyacrylamides, by mixing an aqueous base fluid and an aqueous polymer concentrate comprising 1.0 to 10 wt. % of a water-soluble poly...
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WO/2021/212051A1 |
The subject invention provides compositions and methods for improving oil and/or gas production efficiency. In some embodiments, the compositions and methods utilize microbial surfactants, namely, glycolipids, to prevent the flocculation...
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WO/2021/211111A1 |
A method of treating aqueous wellbore fluids, comprising (a) converting one or more multivalent cations in a multivalent cation-containing aqueous fluid to form a mixture comprising one or more insoluble compounds and a treated aqueous f...
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WO/2021/206715A1 |
A method of treating a well that includes introducing a well treatment fluid into the well, and a well treatment fluid, are provided. The well treatment fluid comprises an aqueous base fluid, a bridging agent, a viscosifying agent, and a...
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WO/2021/196740A1 |
Disclosed are a temporary plugging agent and a preparation method therefor, and a temporary plugging deflection fracturing method for a high temperature reservoir. The temporary plugging agent comprises the following components by mass f...
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WO/2021/198770A1 |
Provided herein are methods of maintaining emulsion stability of non-aqueous drilling fluids comprising an internal phase, a continuous phase, and an emulsifier by measuring interfacial tension between the internal phase and the continuo...
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WO/2021/198700A1 |
The present invention relates to artificially reducing the porosity of any potential flow paths in the near-wellbore region of a well or in permeable zones within or surrounding a well. In doing so, the permeability in this the targeted ...
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WO/2021/202302A1 |
The present disclosure provides a drag reducing agent. In an embodiment, the drag reducing agent includes a polymer and a liquid carrier. The polymer is composed of one or more C6-C14 α-olefin monomers. The polymer includes a residual a...
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WO/2021/202930A1 |
Methods, systems, and compositions for increasing hydrocarbon production from a wellbore where the wellbore or a nearby hydrocarbon reservoir is suffering from water blockage, one method including identifying water blockage in a rock sam...
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WO/2021/194513A1 |
Methods and compositions for treating aqueous fluids that may be included in treatment fluids that are used for treating a subterranean formation. In some embodiments, the methods include: providing a water-based friction reducing additi...
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WO/2021/194390A1 |
The invention relates to the oil and gas production industry, and more particularly to technologies for redistributing filter flows in the near-well region of an injection well. The essence of the invention consists in that the present m...
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WO/2021/189123A1 |
The present invention relates to a diverter acid fluid composition for use in the stimulation of oil wells during exploration thereof, named Quovadis. The invention is used as a diverter acid fluid for the stimulation of oil wells during...
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WO/2021/191041A1 |
Process and a plant for making polyacrylamides by polymerizing an aqueous solution comprising at least acrylamide and acrylic acid or salts thereof in the presence of initiators for radical polymerization under adiabatic conditions, wher...
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WO/2021/186202A1 |
The invention relates to a method for assessing an enhanced oil recovery process based on the injection of at least one enhanced oil recovery fluid,in a subterranean formation, said method comprising: - providing a well in the subterrane...
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WO/2021/189049A1 |
This present invention relates to compositions and methods of enhancing the dispersion of nanoparticles. In certain embodiments, the compositions and methods can be used for enhancing the performance and/or longevity of primers using bio...
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WO/2021/188147A1 |
A method of reducing lost circulation includes introducing an activation solution comprising an aqueous solution, Na2SiO3, and NaOH into the wellbore and introducing Saudi Arabian volcanic ash into the wellbore. The Saudi Arabian volcani...
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WO/2021/188155A1 |
A method of sealing a water-bearing subsurface formation includes introducing an activation solution including an aqueous solution, Na2SiO3, NaOH, and one or both of CaCO3 or Mn3O4 into the wellbore. The method further includes introduci...
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