Patents for C09K 8 - Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations (31,745)
09/2010
09/10/2010WO2010061162A3 Cement compositions and methods utilizing nano-hydraulic cement
09/10/2010WO2010011402A3 Method of manufacture and the use of a functional proppant for determination of subterranean fracture geometries
09/09/2010US20100227781 Method to Prevent Salt Crystal Agglomeration and Settling in a Drilling Fluid
09/09/2010US20100224366 Methods of Using Colloidal Silica Based Gels
09/09/2010US20100224361 Compositions and Methods for Treating a Water Blocked Well
09/08/2010EP2225345A1 Hf acidizing compositions and methods for improved placement in a subterranean formation to remediate formation damage
09/08/2010EP2225344A1 Method of treating proppants and fractures in-situ with fluorinated silane
09/08/2010EP2225343A1 Improved enhanced oil recovery surfactant formulation and method of making the same
09/08/2010EP2225342A1 Mineral-based drilling fluid and drilling method
09/08/2010EP1558695B1 Additive for increasing the density of a fluid for casing annulus pressure control
09/08/2010CN101827913A Method for treating a fractured formation
09/08/2010CN101824980A Method for controlling FeS deposition and S deposition in acidification of gas well containing H2S
09/08/2010CN101824979A Emulsion process profile control and water shutoff method of thickened oil steam-stimulated well
09/08/2010CN101824315A Super-low-density proppant and preparation method thereof
09/08/2010CN101824314A Terpolymer oil soluble viscosity reducer for thick oil exploration and transportation and preparation method thereof
09/08/2010CN101824313A Ultra-diluted compound oil displacement system
09/08/2010CN101824312A Sulfur solvent for cleaning sulphur deposition in wellhole
09/08/2010CN101824311A Preparation method of naphthalene derivative for water shutoff and sand prevention of oil-water oil
09/08/2010CN101824103A Polyacrylamide inorganic nano composite drilling fluid aid and preparation method thereof
09/08/2010CN101095990B Defoaming method for the foam well drilling
09/07/2010US7790800 Use of water-soluble acrylic copolymers in optionally pigmented aqueous formulations and resulting formulations
09/07/2010US7790657 generate an initial viscosity at the surface, followed by a delayed viscosity generation, once the fluid is subjected to higher down-hole temperatures; use in oil field applications such as hydraulic fracturing and plugging of permeable zones (thief zones); varied ratio of triethanolamine to Quadrol
09/07/2010US7790656 high compressive strength and high conductivity for use in fracturing operations; made of raw material having ample supply for cost efficieny; mullite crystals are substantially parallel
09/07/2010US7789150 cementing well; rapid strength development; terpolymer rubber of 2-acrylamido-2-methylpropanesulfonic acid and butadiene and styrene
09/07/2010CA2407228C A method for treating a hydrocarbon containing formation
09/03/2010CA2666145A1 Method for recovering energy in-situ from underground resources and upgrading such energy resources above ground
09/02/2010WO2010099167A1 Compositions for drilling fluids useful to produce flat temperature rheology
09/02/2010WO2010099055A2 Peracid oil-field viscosity breaker and method
09/02/2010WO2010097573A1 Treatment fluids comprising relative permeability modifiers and methods of use
09/02/2010WO2009000068A8 Drilling fluid additive and method for improving lubricity or increasing rate of penetration in a drilling operation
09/02/2010US20100222243 Porous Particulate Materials and Compositions Thereof
09/02/2010US20100222242 Peracid oil-field viscosity breaker and method
09/02/2010US20100222241 Clay Inhibitors for the Drilling Industry
09/02/2010US20100222240 Wellbore Servicing Fluids Comprising Grafted Homopolymers and Methods of Using Same
09/02/2010US20100222239 Compositions containing amide surfactants and methods for inhibiting the formation of hydrate agglomerates
09/02/2010US20100218953 Use of a fluid composition with delayed cross-linking for holding a casing inside a drill hole and method for reinforcing a drill hole
09/02/2010US20100218950 Biocide for well stimulation and treatment fluids
09/01/2010EP2222814A1 Process to prepare zirconium-based cross-linker compositions and their use in oil field applications
09/01/2010EP2222813A1 Asphalt dispersers on the basis of phosphonic acids
09/01/2010EP2106433B1 Dispersions of polymer oil additives
09/01/2010CN101821355A Installation for enhanced oil recovery using water-soluble polymers, method implementing same
09/01/2010CN101818054A Solid oil-well cement filtrate reducer
09/01/2010CN101818053A Composite wall-protecting well-drilling slurry material
09/01/2010CN101818052A Temporary plugging agent for drilling fluid
09/01/2010CN101818051A AM (Acrylamide)/DMDAAC (Dimethyl Diallyl Ammonium Chloride)/cyclodextrin polymer filtrate reducer and preparation method thereof
09/01/2010CN101818050A Modified nano-drilling fluid treating agent for restraining mud shale expansion
09/01/2010CN101817909A Hydrate inhibitor polymer and preparation method
08/2010
08/31/2010US7786054 an injection fluid e.g. fresh water or salt water for removing oil from a subterranean formation; and 3,5-dimethyl-1,3,5-thiadiazinane-2-thione a biocide to inhibit bacterial growth
08/31/2010US7786053 Highly branched polymeric materials as coating on weighting agents
08/31/2010US7786052 wel lbore fluid includes an oleagninous continuous phase e.g. diesel oil, mineral oil, synthetic oil, ester oil, glycerides of fatty acids; a non-oleaginous phase e.g. fresh water or brine; a polymeric additive such as tannins or lignosulfates modified with epoxide containing modifier
08/31/2010US7786051 Method of preventing or reducing fluid loss in subterranean formations
08/31/2010US7786050 Injection, crosslinking and gelation of anionic or cationic guar with a borate; in a low-ionic-strength fluid system without sacrificing gel strength or thermal persistence of metal crosslinked gels; charge screening surfactant; carboxymethylhydroxyethyl guar or carboxymethylhydroxypropyl guar
08/31/2010US7786049 boring well bores using mixtures of water, nanoparticles comprising polyvinyl pyrrolidone or rubber latex, and optionally salts, antifoams, biocides,corrosion inhibitors, dispersants, flocculants,scavengers, lubricants, scavengers, antiscaling or flow control agents
08/31/2010US7784542 Cementing in a subterranean formation by introducing a cement, a nanoparticle free of silica fume, latex, and water into the formation, and allowing the cement composition to set
08/26/2010WO2010096514A2 Method of improving oil recovery from an oil reservoir using an enriched anaerobic steady state microbial consortium
08/26/2010WO2010094937A1 Wellbore fluid and methods of treating an earthen formation
08/26/2010WO2010094932A1 Method for diversion of hydraulic fracture treatments
08/26/2010US20100216674 Multicomponent viscoelastic surfactant fluid and method of using as a fracturing fluid
08/26/2010US20100216673 Diutan is a heteropolysaccharide, also known as heteropolysaccharide S-657 or commercial name Geovis; combination with bromide salts; stability at high temperatures
08/26/2010US20100216672 Treatment fluids comprising relative permeability modifiers and methods of use
08/26/2010US20100216671 improve the removal of filter cakes formed during drilling with oil-based muds with a single phase microemulsion containing a filtration control additive for delaying the filter cake removal, destruction or conversion; comprising hematite, ilmenite, manganese oxide, starch
08/26/2010US20100216670 Water-based fluid for preventing the formation of w/o emulsions or for resolving w/o emulsions already formed in porous matrices
08/26/2010US20100216217 Steady state anaerobic denitrifying consortium for application in in-situ bioremediation of hydrocarbon-contaminated sites and enhanced oil recovery
08/26/2010US20100212896 Gravel-packing carrier fluid with internal breaker
08/26/2010CA2754359A1 Wellbore fluid and methods of treating an earthen formation
08/26/2010CA2751528A1 Method for diversion of hydraulic fracture treatments
08/26/2010CA2750863A1 Method of improving oil recovery from an oil reservoir using an enriched anaerobic steady state microbial consortium
08/25/2010EP2220340A1 Drilling fluids containing microbubbles
08/25/2010EP2220190A1 Process for consolidating sand
08/25/2010EP2220189A1 In-situ formation of solids for well completions and zonal isolation
08/25/2010CN1970084B Hydrotalcite-like vesicle compounds and method for preparing same
08/25/2010CN101812374A Modified fatty acid ester, preparation method and application thereof
08/25/2010CN101812291A Sticky stable acid liquor
08/25/2010CN101812290A Acid clean fracturing fluid and preparation method thereof
08/25/2010CN101812289A Nanometer polysilicon particles and preparation method and application thereof
08/25/2010CN101812288A Inhibiting and anti-sloughing agent for drilling fluid
08/25/2010CN101811876A Production method of haydite proppant
08/25/2010CN101811873A Method for preparing silicon-free or low-silicon acidproof ceramic fracturing propping agent
08/24/2010USRE41585 INJECTING VISCOELASTIC FLUID CONTAINING AMIDOAMINE OXIDE GELLING AGENT AND QUATERNARY AMMONIUM SALT OF AROMATIC DICARBOXYLIC ACID INTO SUBTERRANEAN FORMATION in well drilling
08/24/2010US7781381 Method for controlling inorganic fluoride scales
08/24/2010US7781380 Methods of treating subterranean formations with heteropolysaccharides based fluids
08/24/2010US7781379 Treated with quaternary ammonium surfactants having at least two amide linkages; preventing marine environment and groundwater contamination
08/24/2010CA2642709C Methods for controlling particulate segregation in slurries
08/19/2010WO2010093735A1 Wellbore servicing fluids comprising cationic polymers and methods of using same
08/19/2010WO2010092336A1 Degradable perforation balls and associated methods of use in subterranean applications
08/19/2010WO2010092097A1 Aqueous displacement fluid injection for enhancing oil recovery from an oil bearing formation
08/19/2010WO2010092095A1 Aqueous displacement fluid injection for enhancing oil recovery from a limestone or dolomite formation
08/19/2010US20100210486 Methods and compositions for preventing high density well completion fluid loss
08/19/2010US20100210485 Oil Formulation for Preventing Water Penetration in Underground Formations
08/19/2010US20100210484 Clay control additive for wellbore fluids
08/19/2010US20100210483 Process for the removal of filtercakes in oil wells
08/19/2010US20100210482 Wellbore servicing fluids comprising cationic polymers and methods of using same
08/19/2010US20100210481 Drilling Fluids With Redispersible Polymer Powders
08/19/2010US20100210480 Use of invert epoxy emulsions for wellbore stabilization
08/19/2010US20100206569 Thermothickener polymer and surfactant composition and methods of employing the composition
08/19/2010US20100206567 Gel Capsules for Solids Entrainment
08/19/2010DE102006024725B4 Verfahren zur Abdichtung einer Erdgas-Förderbohrung gegen eindringendes Wasser A method of sealing a natural gas production well against water penetration
08/19/2010CA2751318A1 Degradable perforation balls and associated methods of use in subterranean applications
08/19/2010CA2750987A1 Wellbore servicing fluids comprising cationic polymers and methods of using same
08/18/2010EP2218761A1 Particulate system of micrometric or nanometric dimensions and use thereof in processes for treating oil wells