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Matches 1 - 50 out of 8,499

Document Document Title
WO/2018/031915A1
A material useful as a proppant comprises a core chemically reacted in situ from coal dust and a polymer derived ceramic material, such that at least a portion of the coal dust is chemically converted to a ceramic, nanoparticles, graphen...  
WO/2018/031463A1
Provided are oil recovery techniques, which may include enhanced oil recovery techniques in which a heated combination of water vapor (steam) and dimethyl ether (DME) vapor are injected into an oil reservoir, such as containing heavy oil...  
WO/2018/031431A1
Well treatment compositions comprise water, a polysaccharide and cellulose fibers. The cellulose fibers may have lengths between 100 nm and 10 mm, and diameters between 4 nm and 40 µm. The compositions may be used as spacer fluids durin...  
WO/2018/029457A1
The present invention concerns a method for manufacturing a proppant for a particular stimulation fluid, or for manufacturing a stimulation fluid for a particular proppant. The present invention also concerns a proppant for hydrocarbon s...  
WO/2018/026485A1
A wellbore is internally sealed using nanoparticles. Permeability properties are determined for a particular formation, along with its pore throat size distribution. A wellbore internal sealant (nanoparticle treatment fluid) is designed ...  
WO/2018/026374A1
Acidic treatment fluids and compounds for retarding formation of precipitates in acidizing operations are provided. A method may introducing an acidic treatment fluid into a subterranean formation; wherein the acidic treatment fluid comp...  
WO/2018/025011A1
A method of treating a subterranean formation penetrated by a well-bore, for example to facilitate fracturing of the formation, comprises the steps of: (i) selecting a treatment fluid comprising a diverting agent (A) in a flaked form, fo...  
WO/2018/023162A1
A system (10) delivers of a flowable substance S to a remote location through a conduit (144). The system (10) has a body 12 with first and second portions (14,16) and at least two plugs (P1, P2) associated with the body (12) so that in ...  
WO/2018/026301A1
The present invention relates to the field of oil and gas extraction. Proposed, for use in a composition for hydraulic fracturing, is a polymeric fibre coated with a finishing agent that contains a base oil, a lubricant based on said oil...  
WO/2018/026790A1
Novel fracturing fluid compositions including a polymers system including a major portion of one synthetic hydratable polymer or a plurality of synthetic hydratable polymers, and a minor portion of one natural hydratable polymer or a plu...  
WO/2018/025010A1
High viscosity fracturing fluids for fracturing a subterranean formulation are prepared by: (i)selecting recovered water; (ii)contacting said recovered water with a viscosifying agent,wherein said viscosifying agent is selected from fenu...  
WO/2018/026375A1
Subterranean treatments are provided that use amaranth grain particulates for controlling flow of fluids in wellbore applications. A method for treating a wellbore may comprise providing a treatment fluid comprising a base fluid and amar...  
WO/2018/026302A1
The present invention relates to the field of oil and gas extraction. Proposed, for use in a composition for hydraulic fracturing, is a polymeric fibre coated with a finishing agent that contains a phospholipid-based surfactant. Also pro...  
WO/2018/026436A1
A converter-dissolver composition in an aqueous solution of carbonate or bicarbonate, chelating agents, hydroxide base, and surfactant wetting agent. A mixture of the chelating agents and carbonate or bicarbonate is diluted with deionize...  
WO/2018/026294A1
Proposed are a fluid and a method for treatment of a subterranean formation that is intersected by a well. The present method consists in pumping in a formation treatment fluid in order to form a hydraulic fracture, said formation treatm...  
WO/2018/026351A1
Methods of treating a carbonate formation are provided. The methods include introducing a nanoparticle gel system into the carbonate formation at a rate and pressure sufficient to create or enhance at least one fracture in the carbonate ...  
WO/2018/022554A1
Disclosed herein are microparticles of a hydrophilic liquid encapsulated by hydrophobic nanoparticles. The microparticles are useful in a variety of contexts, including transportation of chemicals, petroleum extraction or recovery, and p...  
WO/2018/022701A1
An oil recovery composition having a brine, a hydrolyzable polymer, and a monovalent cations to divalent cations ration in the range of about 3:1 to about 4.5:1 is provided. An oil recovery composition may be formed from a brine recovere...  
WO/2018/022690A2
Compositions for suspending proppants in a hydraulic fracture of a subterranean formation involve a carrier fluid, a plurality of proppants, and a plurality of fabric pieces where each fabric includes a plurality of connected filaments. ...  
WO/2018/023048A1
Anticorrosion compounds and compositions can be used in methods for preventing metal corrosion. More specifically, the method comprises contacting an anticorrosion composition to an aqueous system in contact with a metal. The anticorrosi...  
WO/2018/022040A1
Provided are methods for propping a fracture. An example method comprises providing a treatment fluid comprising a polyester, a water-miscible solvent, and a proppant and then pumping the treatment fluid through an aqueous fluid within a...  
WO/2018/020175A1
The present invention concerns a method for treating the production water originating from enhanced hydrocarbon recovery, and containing one or more hydrosoluble polymers and Fe2+ ions, consisting of at least partially oxidising the Fe2+...  
WO/2018/022693A1
The transport and suspension of proppant in a fracturing fluid used to fracture a subterranean formation is improved by incorporating a buoyant additive into a carrier fluid that also comprises a proppant. The buoyant additive has a surf...  
WO/2018/018129A1
An aqueous synthetic acid composition for use in oil industry activities, said composition comprising: lysine and hydrogen chloride in a molar ratio ranging from 1 :3 to 1 : 12.5, preferably from more than 1 :5 to 1 :8.5; it can also fur...  
WO/2018/022070A1
A variety of systems, methods and compositions are disclosed. A method may comprise introducing a fracturing fluid into a subterranean formation, wherein the fracturing fluid comprises an aqueous based fluid, a proppant composition, an o...  
WO/2018/017110A1
The embodiments of the present disclosure relate to increasing fracture network complexity within a subterranean formation using a plurality of fluid stages where one or more of such fluid stages utilizes a liquid gas treatment fluid. Th...  
WO/2018/017384A1
A fiber delivery system capable of providing cut fiber segments for use in treating an oil and/or gas well (40). The fiber delivery system can utilize bales (12) of a continuous filamentary tow that are transported to the well site from ...  
WO/2018/017482A1
The flow of well treatment fluids may be diverted from a high permeability zone to a low permeability zone within a fracture network within subterranean formation by use of divert system comprising dissolvable diverter particulates and p...  
WO/2018/017381A1
A downhole fluid includes an additive composition, wherein the additive composition includes a flavonoid or a plant phenolic acid. A method includes circulating a downhole fluid composition into a subterranean reservoir wellbore, wherein...  
WO/2018/015224A1
A method for recovering crude oil from a reservoir wherein the reservoir has a temperature in the range of 20 to 150°C and the formation water has a pH of less than 7.5 and a concentration of dissolved hydrogen sulfide of less than 10 m...  
WO/2018/016871A1
The present invention relates to a method for manufacturing a high-purity silicon nitride thin film using plasma atomic layer deposition. More specifically, the present invention can realize improved thin film efficiency and a step cover...  
WO/2018/015222A1
The present invention relates to betainised crosslinked polymeric microparticles, a composition comprising the same as a temperature-sensitive dispersion in water and its use in a method of modifying the penneability to water of a thief ...  
WO/2018/017700A1
The embodiments described herein generally relate to methods and chemical compositions for use with cementing processes. In one embodiment, a composition is provided comprising a random tetracopolymer having the formula styrene-butadiene...  
WO/2018/013079A1
Systems and methods for reducing unwanted water and/or gas intrusion into a hydrocarbon production wellbore. The system includes a treatment injection tool for injecting a treatment agent into portions of the formation surrounding the we...  
WO/2018/011058A1
An organoclay composition which is a mineral clay or mineral clay mixture that has been treated with at least organic quaternary ammonium compound and a synergist comprising (i) an amine salt of a trimer acid, and (ii) an amine salt of a...  
WO/2018/013084A1
A proppant suspension composition including a proppant, gelling agent, nanoparticles, at least one breaker, and a tackifying resin. The gelling agent may include cross-linkable polymers. The nanoparticles may be natural or synthetic clay...  
WO/2018/013134A1
Systems and methods having friction reducer compositions for use in subterranean treatment fluids are provided. An embodiment of the present disclosure is a method comprising: (A) forming a treatment fluid comprising: an aqueous base flu...  
WO/2018/013816A1
Disclosed herein are compositions and methods for delaying crosslinking of aqueous crosslinkable polymers such as polysaccharides in injectable compositions for hydraulic fracturing and related applications. The compositions and methods ...  
WO/2018/013619A1
A date palm seed lost circulation material (LCM) is provided having a date palm seed admixture of date palm seed particles of various sizes. The date palm seed particles may have a size greater than about 2380 microns in a range of about...  
WO/2018/013949A1
Compounds are identified that act as crystallization suppressants when added to clear brine fluids, significantly lowering the true crystallization temperatures of the brines, and allowing for higher salt content in clear brine fluids. T...  
WO/2018/013132A1
Methods of increasing fracture complexity including introducing a solids-free high viscosity fracturing fluid into a subterranean formation at a pressure above the fracture gradient to create a dominate fracture, and thereafter introduci...  
WO/2018/010788A1
The invention relates to a method for producing coated proppants which are used in so-called hydraulic fracturing (fracking).  
WO/2018/013096A1
Provided are methods and systems for reducing fluid communication between wells. An example method comprises providing a first treatment fluid comprising synthetic clay and an aqueous carrier fluid; pumping the first treatment fluid into...  
WO/2018/010017A1
The present disclosure relates generally to compound(s), composition(s), systems and method(s) for removing hydrocarbons from a hydrocarbon-containing reservoir. Various N-alkyl-2-pyrrolidones, such as N-octyl-2-pyrrolidone, alone in hot...  
WO/2018/013488A1
The present invention includes a foam-forming composition for use in enhanced heavy oil recovery, and a method of using said foam-forming composition for recovering heavy oil and/or bitumen. The foam-forming composition of the present in...  
WO/2018/009425A1
A two-component lost circulation material (LCM) is provided having a polymer component and a sodium hydroxide component. The polymer component may include a carrier fluid such as water, a particulate material such as fly ash, a fibrous m...  
WO/2018/009791A1
The present invention is directed to compositions and methods for reducing lost circulation in drilling wells with compositions preferably comprising cross linked levan and calcium carbonate mixed with clay minerals such as kaolinite and...  
WO/2018/007305A1
The invention concerns a method for forming a stabilised foam suitable, in particular, for enhanced oil recovery, by expanding a foaming composition by means of at least one gas and/or steam, in which said foaming composition comprises, ...  
WO/2018/009203A1
A method that includes providing a treatment fluid having an aqueous base fluid and ground drilling cuttings and placing the treatment fluid in a subterranean formation.  
WO/2018/006486A1
A manufacturing technique for a viscosity reducing agent for oil well drilling. The technique addresses the issue of low viscosity reducing performance under high temperature and acidic conditions or high temperature and basic conditions...  

Matches 1 - 50 out of 8,499