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Matches 451 - 500 out of 9,288

Document Document Title
WO/2018/156166A1
A variety of systems, methods and compositions are disclosed for delayed release of a resin curing agent. An example method may comprise introducing a treatment fluid comprising a resin and delayed release curing agent particulates into ...  
WO/2018/156122A1
Methods of wellbore cementing are provided. A method of designing a cement composition may include: selecting a target heat of hydration for a target time and temperature; selecting one or more cementitious components and a weight percen...  
WO/2018/156114A1
Methods of wellbore cementing are provided. A method of cementing may comprise: calculating a lime to silica correlation for two or more cementitious components of a cement composition; and adjusting a concentration of at least one of th...  
WO/2018/156161A1
A method of dehydrating proppant by pressurizing a proppant silo that is filled with proppant and injecting gaseous nitrogen into the proppant silo to exhaust moisture from the proppant silo until the proppant is in a bone-dry condition ...  
WO/2018/156117A1
Disclosed herein are phosphate accelerators for cement compositions with a reduced Portland cement content. A method of cementing may comprise: providing a low Portland cement composition comprising a pozzolan, a phosphate accelerator, a...  
WO/2018/157099A1
Treating a gas condensate reservoir having a porous formation material includes introducing a formation treatment fluid to the gas condensate reservoir and maintaining the formation treatment fluid in the gas condensate reservoir. The fo...  
WO/2018/156874A1
Methods of making sintered ceramic particles include preparing an aqueous slurry containing an alumina-containing raw material and a binder containing a raw plant material, forming the slurry into green pellets, and sintering the green p...  
WO/2018/156115A1
Methods of wellbore cementing are provided. A method of analyzing a solid particulate including: measuring a water requirement of the solid particulate; and determining an approximation of specific surface area of the solid particulate f...  
WO/2018/156116A1
Methods, systems, and compositions for wellbore cementing are provided. A method may comprise: analyzing an industrial byproduct and one or more additional components to generate data about physical and/or chemical properties of the indu...  
WO/2018/156155A1
Methods are provided to inhibit scale formation in oil or gas production systems. In one embodiment, the scale inhibiting treatment comprises: A) an AAA terpolymer and B) a polycarboxylate such as a polyepoxy succinic acid (PESA). The tr...  
WO/2018/152287A1
A method for achieving thickening time in a cement composition comprising providing a cementitious composition comprising a cement mix and a thickening time modifier selected from the group consisting of calcium sulfate hemihydrate, calc...  
WO/2018/151962A1
Techniques for hydraulically fracturing a geologic formation include circulating a proppant-free hydraulic fracturing liquid into a wellbore that is formed from a terranean surface into a geologic formation within a subterranean zone tha...  
WO/2018/148357A8
A nanoparticle-resin coated frac sand composition is provided. The nanoparticle-resin coated frac sand composition includes a silica sand, an epoxy resin, methanol, a hardener, and nanoparticles. The nanoparticles may be silica nanoparti...  
WO/2018/146507A1
The invention relates to a method of extracting hydrocarbons from a subterranean formation, comprising: - injecting a surfactant composition into the subterranean formation, and - collecting hydrocarbons displaced by the injected surfact...  
WO/2018/147851A1
Mapping propped fractures in a well can be performed using a mixture including a proppant and an encapsulated salt. The proppant can be positioned in a fracture in the well for propping open the fracture to form a propped fracture. The e...  
WO/2018/148661A1
Drilling fluids having improved rheology under downhole temperature and pressure. The improved rheology (IR) drilling fluids are particularly suited for use in deepwater drilling operations. The IR drilling fluids are invert emulsion flu...  
WO/2018/147745A1
A method of establishing a cement plug (3) in an annular region (35) between a first casing (100) and a second casing (200) in a well characterised in that the method comprises the steps of: - perforating the first casing (100) to open a...  
WO/2018/146107A1
The invention relates to a method of extracting hydrocarbons from a subterranean formation, comprising: – injecting a surfactant composition into the subterranean formation, and – collecting hydrocarbons displaced by the injected sur...  
WO/2018/148617A1
Viscosifying proppants including proppant particles coated with a CO2-philic coating in which the CO2-philic coating has a solvable portion that viscosifies a CO2-based fluid when the viscosifying proppant is added to the CO2-based fluid...  
WO/2018/148279A1
Self-suspending proppants including proppant particles coated with a CO2-philic coating are provided. The CO2-philic coating may be lightly crosslinked and may have a physical structure that constrains CO2 molecules. Methods of making se...  
WO/2018/148357A1
A nanoparticle-resin coated frac sand composition is provided. The nanoparticle-resin coated frac sand composition includes a silica sand, an epoxy resin, methanol, a hardener, and nanoparticles. The nanoparticles may be silica nanoparti...  
WO/2018/148400A1
A system and method for detecting and quantifying proppant for optimized fracture treatment design in in-fill and new wells. Proppant is isolated from drilling fluids and then analyzed to determine whether a formation within the well has...  
WO/2018/144299A1
In one embodiment, a spacer fluid may comprise a base fluid and a surfactant package. The surfactant package may comprise one or more surfactants, where the surfactant package comprises a first surfactant having the chemical structure R ...  
WO/2018/144569A1
Embodiments are directed to a lubricant package for water based drilling fluids. The lubricant package includes water, a polyethylene glycol, and a lubricating agent. The lubricating agent includes triethanolamine, or a C12-C14 alcohol e...  
WO/2018/144662A1
A well treatment fluid is provided having an acidic nanosilica dispersion and an alkanolamine. The nanosilica dispersion and the alkanolamine may form a gelled solid after interaction over a period. Methods of reducing water production u...  
WO/2018/144068A1
Provided here are water-based drilling fluids containing weighting agents and an alkanolamine, and methods of using such compositions during drilling operations for recovery of hydrocarbons. The weighting agents can include manganese tet...  
WO/2018/144663A1
A well treatment fluid is provided having an acidic nanosilica dispersion. The nanosilica dispersion of well treatment fluid may form a gelled solid after interaction with a formation over a period. Methods of reducing water production u...  
WO/2018/144727A1
Drilling fluid compositions include invert emulsion fluids having an oleaginous phase, an aqueous phase, and an emulsifier composition that includes an ethoxylated alcohol compound and a polyaminated fatty acid compound. The ethoxylated ...  
WO/2018/142034A1
The present invention relates to a method for determining the anionic charge density of at least one polymer present in a sample, according to the following steps: - bringing at least one polymer present in the sample into contact with, ...  
WO/2018/144307A1
A drilling fluid composition which includes a base fluid, one or more additives, and a viscosifier package. The base fluid is an invert emulsion comprising oil and water. Further, the one or more additives is chosen from an emulsifier, a...  
WO/2018/144066A8
Provided here are polyethylene glycol-based drilling fluid compositions and methods of making and using such compositions during drilling operations for recovery of hydrocarbons. Various other embodiments may be disclosed and claimed.  
WO/2018/144310A1
A wellbore servicing fluid comprises an aqueous base fluid, one or more alkali metal or alkali earth metal salts, at least one visocisifier, and a filtration control package. The filtration control package may comprise a carboxylic acid ...  
WO/2018/144277A1
Spacer fluids include an emulsion, a surfactant package, and at least one additive that modifies the rheology of the spacer fluid, the density of the spacer fluid, or both. The emulsion may include an aqueous external phase and a hydroca...  
WO/2018/141051A1
A corrosion inhibition package for use with an aqueous acid composition, said package comprising: a terpene; a cinnamaldehyde or a derivative thereof; at least one amphoteric surfactant; and a solvent. Also disclosed are compositions com...  
WO/2018/144354A1
Anti-bit balling drilling fluids and methods of making and using drilling fluids are provided. The anti-bit balling drilling fluid contains water, a clay-based component, and at least one of a surfactant having the formula: R-(OC2H4)x-OH...  
WO/2018/144067A1
Disclosed here are drilling fluid compositions containing linear alpha olefins, an invert emulsifier, a filtration control agent; and an inorganic mineral component including one or more of lime, calcium chloride, and barite. Also disclo...  
WO/2018/144066A1
Provided here are polyethylene glycol-based drilling fluid compositions and methods of making and using such compositions during drilling operations for recovery of hydrocarbons. Various other embodiments may be disclosed and claimed.  
WO/2018/144661A1
A lost circulation material (LCM) is provided having a nanosilica dispersion and an alkanolamine. The nanosilica dispersion and the alkanolamine may form a gelled solid after interaction over a period. Methods of lost circulation control...  
WO/2018/144710A1
According to at least one embodiment of the present disclosure, a well bore cementing system may comprise a spacer fluid and a cement slurry. The spacer fluid may be positioned within a well bore, and the spacer fluid may comprise a firs...  
WO/2018/143821A1
The present invention relates to a method for removing hydrocarbons from produced water, comprising: (i) separating produced water from a hydrocarbon and water mixture extracted from a subterranean formation: (ii) contacting said produce...  
WO/2018/144352A1
Drilling fluids and methods of making and using drilling fluids are provided. The drilling fluid contains an aqueous phase, an oleaginous phase, and at least one surfactant having the formula R-(OC2H4)x-OH, where R is a hydrocarbyl group...  
WO/2018/144558A1
In one embodiment, a retarded acid system comprises an aqueous acid and a retarding surfactant. The aqueous acid may comprise from 5 wt.% to 25 wt.% of a strong acid, that is, an acid having a Ka greater than or equal to 0.01. The aqueou...  
WO/2018/144659A1
A lost circulation material (LCM) is provided having an acidic nanosilica dispersion. The nanosilica dispersion of the LCM may form a gelled solid after interaction with a formation over a period. Methods of lost circulation control usin...  
WO/2018/144355A1
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 rheology, such as improved flowability and pumpability and m...  
WO/2018/144068A8
Provided here are water-based drilling fluids containing weighting agents and an alkanolamine, and methods of using such compositions during drilling operations for recovery of hydrocarbons. The weighting agents can include manganese tet...  
WO/2018/144711A1
Drilling fluid compositions include a base fluid, at least one additive chosen from an emulsifier, weighting material, fluid-loss additive, viscosifier, or alkali compound, and from 0.1 wt.% to 1 wt.%, based on total weight of the drilli...  
WO/2018/144684A1
Cement slurries, cured cements, and methods of making cured cement and methods of using cement slurries are provided. The cement slurry contains water, a cement precursor material, an alcohol surfactant having from 10 to 20 carbon atoms ...  
WO/2018/140400A1
A proppant includes coating of a lignin containing phenolic resin. The proppants may be used in subterranean well formations and hydraulic fracturing operations.  
WO/2018/136100A1
Systems and methods for enhancing the conductivity of fractures in a subterranean formation using cements and electrically controlled propellant materials are provided. In some embodiments, the methods comprise: introducing a cement flui...  
WO/2018/136064A1
Provided are methods and systems for treating a subterranean formation. An example method comprises adding proppant particulates to a fluidized bed granulator; spraying a binding agent on the proppant particulates to at least partially c...  

Matches 451 - 500 out of 9,288