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)
07/2010
07/08/2010US20100173804 Additive to reduce fluid loss for drilling fluids
07/08/2010US20100171070 PROCESS AND POLYMER FOR PREVENTING Ba/Sr SCALE WITH A DETECTABLE PHOSPHORUS FUNCTIONALITY
07/08/2010US20100170719 Reduced abrasion drilling fluid
07/08/2010CA2748747A1 Surface-modifying agents for wettability modification
07/08/2010CA2748599A1 Ceramic article and process for making the same
07/07/2010EP2204431A1 Method for blocking subterranean formations
07/07/2010EP2204430A1 Methods of Using Settable Compositions in a Subterranean Formation
07/07/2010EP2203538A1 Well treatment fluid compositions and methods of use that include a delayed release percarbonate formulation
07/07/2010EP2203419A1 Novel surfactants with a polyethersulfonate structure method for production thereof and use thereof for tertiary crude oil production
07/07/2010EP2203261A2 Methods for improved hydrocarbon and water compatibility
07/07/2010CN101768462A Emulsifying and viscosity-decreasing method of thick oil
07/07/2010CN101768432A Corrosion-resistant propping agent
07/07/2010CN101768431A Wear-resistant propping agent
07/07/2010CN101768430A Scale inhibition antiscaling agent for oil-water well salt prevention and scale-inhibition operation and preparation process thereof
07/06/2010US7749946 Crosslinking composition for fracturing fluids
07/06/2010US7749945 Maintains fluid loss control and rheological properties during petroleum recovery operations
07/06/2010US7749944 use of rheology enhancers derived from wood pulping operations to shorten shear recovery times and increase the viscosity of viscoelastic surfactants for use in oilfield treatment fluids
07/06/2010US7749943 preventing freeze damage to latex particles in drilling fluid having rheological properties by providing drilling fluid with latex additive comprising aqueous solution of particles and 5 wt. % water soluble oxygenated organic molecules sufficient to maintain same latex particle size distribution
07/06/2010US7749942 Variable density fluids and methods of use in subterranean formations
07/06/2010US7749941 Well drilling and servicing fluids containing a polymeric viscosifier( polyacrylamides, celluloses, polysaccharides) with enhanced thermal stability provided by a diacid or diacid salt having about two to eight carbon atoms (sodium oxalate); high thermal stability
07/06/2010US7748455 Surfaced mixed epoxy method for primary cementing of a well
07/06/2010CA2579295C Chemically bonded phosphate ceramic sealant formulations for oil field applications
07/01/2010WO2010075256A1 Particles comprising blocked isocyanate resin and method of modifying a wellbore using the same
07/01/2010WO2010075253A1 Fluid composition comprising particles and method of modifying a wellbore using the same
07/01/2010WO2010075248A1 Curable fiber and compositions comprising the same; method of trating a subterranean formation
07/01/2010WO2010072313A1 Use of vinyl phosphonic acid for producing biodegradable mixed polymers and the use thereof for exploring and extracting petroleum and natural gas
07/01/2010WO2010041033A3 Geochemical control of fracturing fluids
07/01/2010WO2010030274A3 Invert emulsion wellbore fluids and method for reducing toxicity thereof
07/01/2010WO2010023164A3 Use of a novolak resin for enhancing the acid resistance of a polyamide composition
07/01/2010US20100168273 Cement retarder systems, and retarded cement compositions
07/01/2010US20100168255 Method for producing a compound which has at least one ether group
07/01/2010US20100167967 using a hydrocarbon-responsive fluid thickened with an oligomeric surfactant consisting of from 2 to 8-linked surfactant monomer subunits; controlling viscoelasticity
07/01/2010US20100167966 Corrosion inhibitors
07/01/2010US20100167965 Amphiphobic Proppant
07/01/2010US20100167964 Compositions and Methods for Treating a Water Blocked Well
07/01/2010US20100167963 Well treatment
07/01/2010US20100167962 Filtercake removal composition and system
07/01/2010US20100167961 Stuck Drill Pipe Additive And Method
07/01/2010DE102008063096A1 Verwendung von Vinylphosphonsäure zur Herstellung biologisch abbaubarer Mischpolymere und deren Verwendung für die Exploration und Förderung von Erdöl und Erdgas Use of vinyl phosphonic acid for producing biodegradable copolymers and their use for the exploration and production of oil and natural gas
07/01/2010CA2748286A1 Use of vinyl phosphonic acid for producing biodegradable mixed polymers and the use thereof for exploring and extracting petroleum and natural gas
06/2010
06/30/2010EP2201083A1 Thickeners for oil-based drilling fluids
06/30/2010EP2201082A1 Lubricant additives for drilling fluids
06/30/2010EP2201081A1 Additives for water-based drilling fluids
06/30/2010EP2200938A2 Process for drying boron-containing minerals and products thereof
06/30/2010CN101760189A Non-damage fracturing regulating fluid
06/30/2010CN101760188A Formula of DSS-1 corrosion inhibiter and processing technique
06/30/2010CN101760187A Micro-expansile side drilling plugging agent
06/30/2010CN101760186A Compound type vegetable oil lubricating agent for drilling fluid and preparation method thereof
06/30/2010CN101759838A Preparation method of profile control and oil displacement system of polyacrylamide nanometer microsphere with low interfacial tension
06/30/2010CN101759825A Carboxylated styrene-butadiene rubber latex special for oil and gas field cementing well
06/30/2010CN101759726A Preparation process of chromium lignin sulfonate attenuant for drilling fluid
06/30/2010CN101759575A Preparation method of quaternary ammonium salt surface active agent and application thereof in the development of low-permeability oil reservoir
06/30/2010CN101757874A Viscoelastic surfactant fluids and related methods of use
06/30/2010CN101274974B Temperature-resistant water-soluble copolymer, preparation and use thereof
06/30/2010CA2689187A1 Method for treating fracturing water
06/29/2010US7745500 Method for reducing the viscosity of viscous fluids
06/29/2010US7745380 Additive for increasing the density of a fluid for casing annulus pressure control
06/29/2010US7745378 Drilling fluid additive containing corn syrup solids
06/29/2010US7743828 Methods of cementing in subterranean formations using cement kiln cement kiln dust in compositions having reduced Portland cement content
06/29/2010CA2525817C Cement compositions with improved fluid loss characteristics and methods of cementing in subterranean formations
06/29/2010CA2494391C Methods of improving heavy oil production
06/24/2010WO2010071784A1 Friction modifier for drilling fluids
06/24/2010WO2010071761A1 Cyclohexane oxidation process byproduct stream derivatives and methods for using the same
06/24/2010WO2010071759A1 Cyclohexane oxidation process byproduct derivatives and methods for using the same
06/24/2010WO2010070600A1 Surface modification for cross-linking or breaking interactions with injected fluid
06/24/2010WO2010070599A1 Removal of crystallinity in guar based materials and related methods of hydration & subterranean applications
06/24/2010WO2010070284A1 Methods and compositions for stabilizing unconsolidated particulates in a subterranean formation
06/24/2010WO2010070282A1 Cement compositions comprising stevia retarders
06/24/2010WO2010070266A1 Aqueous carrier fluid
06/24/2010WO2010069662A1 Improvement in enhanced oil recovery by polymer without supplementary equipment or product
06/24/2010WO2010069607A1 Method for blocking subterranean formations
06/24/2010WO2010069479A1 Compositions and methods for completing subterranean wells
06/24/2010WO2010069472A1 Method and device for producing clathrate hydrate
06/24/2010WO2010048091A3 Boron crosslinkers for fracturing fluids with appreciably lower polymer loading and related methods and compositions
06/24/2010WO2010031804A3 Polymer gels as flow improvers in water injection systems
06/24/2010WO2010029524A3 Composition of specifically formulated phosphate salts, used for increasing density of completion fluids, and as a hi -temperature and easy to use completion fluids in the oil and gas industry
06/24/2010WO2010020698A3 Equipment for quick dispersion of polyacrylamide powder for fracturing operations
06/24/2010US20100160488 Graft polymer mixture
06/24/2010US20100160189 contacting filter cake with composition comprising a carrier fluid, a surfactant, a fluorine source, and an organic stabilizer, wherein the organic stabilizer minimizes precipitation of calcium fluoride, and allowing the filter cake particles to be dissolved by the composition
06/24/2010US20100160188 Removal of Crystallinity in Guar Based Materials and Related Methods of Hydration & Subterranean Applications
06/24/2010US20100160187 Methods and compositions for stabilizing unconsolidated particulates in a subterranean formation
06/24/2010US20100160186 Microemulsion Containing Oil Field Chemicals Useful for Oil and Gas Field Applications
06/24/2010US20100155069 Cement Compositions Comprising Stevia Retarders
06/24/2010US20100155063 Particle Drilling System Having Equivalent Circulating Density
06/24/2010US20100154678 Dual function cement additive
06/24/2010CA2747439A1 Friction modifier for drilling fluids
06/24/2010CA2747186A1 Cement compositions comprising stevia retarders
06/24/2010CA2746684A1 Surface modification for cross-linking or breaking interactions with injected fluid
06/24/2010CA2746523A1 Removal of crystallinity in guar based materials and related methods of hydration & subterranean applications
06/24/2010CA2745992A1 Compositions and methods for completing subterranean wells
06/24/2010CA2745911A1 Improvement in enhanced oil recovery by polymer without supplementary equipment or product
06/23/2010EP2199539A1 Self adaptive cement systems
06/23/2010EP2199360A1 Aqueous carrier fluid
06/23/2010EP2199359A1 Compositions and methods for completing subterranean wells
06/23/2010EP2197990A2 Additive useful for stabilizing crude oil
06/23/2010EP2197978A2 Process for the production of a granule of a coated oxidizing compound such granule and uses of the granule
06/23/2010EP2197977A1 Nano-sized particle-coated proppants for formation fines fixation in proppant packs
06/23/2010EP2197976A2 Proppants and anti-flowback additives made from sillimanite minerals, methods of manufacture, and methods of use
06/23/2010EP2197975A2 Installation for enhanced oil recovery using water-soluble polymers, method implementing same
06/23/2010EP2197974A1 Installation for enhanced oil recovery using water-soluble polymers, method implementing same