| 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) |
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| 03/18/2010 | CA2736148A1 Settable compositions comprising cement kiln dust and swellable particles |
| 03/18/2010 | CA2735056A1 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 |
| 03/17/2010 | EP2052003B1 Water-soluble and biodegradable copolymers on a polyamide basis and use thereof |
| 03/17/2010 | CN101675143A Control of particulate entrainment by fluids |
| 03/17/2010 | CN101675142A Aqueous particulate slurry compositions and methods of making same |
| 03/17/2010 | CN101675141A Treatment fluids comprising diutan and associated methods |
| 03/17/2010 | CN101675140A In situ microemulsions used as spacer fluids |
| 03/17/2010 | CN101675139A Drilling fluid and method for drilling in coal-containing formations |
| 03/17/2010 | CN101675062A Zirconium-based cross-linker compositions and their use in high ph oil field applications |
| 03/17/2010 | CN101671553A Self-gas-production solid-foam liquor drainage ball of watered gas well |
| 03/17/2010 | CN101671552A Silicate scale clearing agent for ternary combination flooding extraction well |
| 03/17/2010 | CN101671551A Multifunctional connecting bridging agent |
| 03/17/2010 | CN101671550A Hard compound reinforcing bridging agent |
| 03/17/2010 | CN101671031A Preparation of inorganic silicophosphate oligomer and application thereof |
| 03/16/2010 | US7678745 Viscosity reduction |
| 03/16/2010 | US7678744 Hydrocarbon industry servicing fluid and methods of performing service operations |
| 03/16/2010 | US7678264 Systems, methods, and catalysts for producing a crude product |
| 03/16/2010 | US7677311 Internal breaker for oilfield treatments |
| 03/16/2010 | CA2596541C Self-degrading fibers and associated methods of use and manufacture |
| 03/16/2010 | CA2576157C Stabilizing crosslinked polymer guars and modified guar derivatives |
| 03/11/2010 | WO2010027366A1 Wellbore fluids for cement displacement operations |
| 03/11/2010 | WO2010026553A1 Reversible peptide surfactants for oilfield applications |
| 03/11/2010 | WO2010026400A2 Process for generating hydrogen |
| 03/11/2010 | WO2010025540A1 Liquified petroleum gas fracturing methods |
| 03/11/2010 | WO2010008743A3 Methods of delaying the curing of moisture sensitive curable elastomers |
| 03/11/2010 | WO2009153686A3 Slickwater treatment fluid and method |
| 03/11/2010 | US20100062953 Rheology modifying agents and methods of modifying fluid rheology use in hydrocarbon recovery |
| 03/11/2010 | US20100062952 Copolymer based on olefinic sulphonic acids |
| 03/11/2010 | US20100059227 Stimulated oil production using reactive fluids |
| 03/11/2010 | CA2735550A1 Reversible peptide surfactants for oilfield applications |
| 03/10/2010 | CN201419092Y Optical reaction device for preparation of oilfield in-depth profiling polymer microsphere |
| 03/10/2010 | CN101668828A Production and use of paraffin inhibitor formulations |
| 03/10/2010 | CN101665687A Method for preparing proppant |
| 03/10/2010 | CN101665686A Method for preparing surface-modified proppant |
| 03/10/2010 | CN101665685A Oil-displacing agent for enhancing crude oil recovery efficiency in tertiary recovery |
| 03/10/2010 | CN101665684A Anti-scaling agent for oil well silicate scale |
| 03/10/2010 | CN101665683A Working slurry of stop-grouting plug for mine ground pre-grouting |
| 03/10/2010 | CN101665682A Modified methyl glucoside treating agent for drill fluid |
| 03/09/2010 | US7674753 drilling a well bore in a subterranean formation, using a treatment fluid containing a base fluid, a viscosifier, a fluid loss control additive, and a degradable bridging agent such as, an aliphatic polyester |
| 03/09/2010 | US7674331 use of silicate as a retarder enhancer at appropriate levels to enhance the retarding effect of retarders at high temperatures encountered downhole while accelerating the set of cement at lower temperatures encountered near to the surface |
| 03/09/2010 | US7673687 Cement compositions comprising crystalline organic materials and methods of using same |
| 03/09/2010 | CA2525851C N,n-dialkylpolyhydroxyalklamines |
| 03/04/2010 | WO2010023638A1 Self-diverting acid treatment with formic-acid-free corrosion inhibitor |
| 03/04/2010 | WO2010023602A1 Partially neutralized polyhydroxy acids for well treatments |
| 03/04/2010 | WO2010023576A1 Treatment and reuse of oilfield produced water for operations in a well |
| 03/04/2010 | WO2010023268A1 Method for binding non-solid oxidic inorganic materials with etherified aminoplast resins and cured compositions of said materials and etherified aminoplast resins |
| 03/04/2010 | WO2010023164A2 Use of a novolak resin for enhancing the acid resistance of a polyamide composition |
| 03/04/2010 | WO2010022496A1 Volatile-phosphorus free gelling agents |
| 03/04/2010 | US20100056405 Self-diverting acid treatment with formic-acid-free corrosion inhibitor |
| 03/04/2010 | US20100056404 Method for treating hydrogen sulfide-containing fluids |
| 03/04/2010 | US20100056403 Metal free crosslinking of galactomannan |
| 03/04/2010 | US20100056402 Acid Internal Breaker for Viscoelastic Surfactant Fluids in Brine |
| 03/04/2010 | US20100056401 Partially neutralized polyhydroxy acids for well treatments |
| 03/04/2010 | US20100056400 Use of Mineral Oils to Reduce Fluid Loss for Viscoelastic Surfactant Gelled Fluids |
| 03/04/2010 | US20100056399 Polyelectrolyte Complexes For Oil And Gas Applications |
| 03/04/2010 | US20100056398 Thickener composition |
| 03/04/2010 | US20100050905 Activating compositions in subterranean zones |
| 03/04/2010 | CA2735410A1 Treatment and reuse of oilfield produced water for operations in a well |
| 03/04/2010 | CA2734883A1 Method for binding non-solid oxidic inorganic materials with etherified aminoplast resins and cured compositions of said materials and etherified aminoplast resins |
| 03/04/2010 | CA2733253A1 Volatile-phosphorus free gelling agents |
| 03/03/2010 | CN101659862A Preparation method of thickened oil diluent capable of being degradable to substitute process o blending wellhole with diluting oil |
| 03/03/2010 | CN101659861A Method for preparing petroleum sulfonate oil displacement agent |
| 03/03/2010 | CN101659860A Assymmetric gemini oil displacement agent for oil extraction and preparation method thereof |
| 03/02/2010 | US7670995 Viscoelastic wellbore treatment fluid |
| 03/02/2010 | US7670994 pre-treating well with cross linking agent which cleans well of excess mud and pre-coats tubing and formation surfaces and adding a polymer along with cement mixture, wherein polymer undergoes polymerization or cross-linking when exposed to crosslinking agent; polymerization helps prevent fluid loss |
| 03/02/2010 | US7670993 Contacting an emulsion of water, detergent, hydrocarbon solvent and acid with the interior of the oil well; one-step cleaning |
| 03/02/2010 | US7669658 High strength polycrystalline ceramic spheres |
| 03/02/2010 | CA2639539A1 Liquified petroleum gas fracturing methods |
| 03/02/2010 | CA2449302C Hydrothermal drilling method and system |
| 02/28/2010 | CA2675738A1 Metal free crosslinking of galactomannan |
| 02/25/2010 | WO2010022283A1 A well diversion agent formed from in situ decomposition of carbonyls at high temperature |
| 02/25/2010 | WO2010021858A1 Enhanced oil recovery using sulfonate mixtures |
| 02/25/2010 | WO2010021563A1 Hydraulic fracturing proppants |
| 02/25/2010 | WO2010020955A1 Method of installing sand control screens in wellbores containing synthetic or oil-based drilling fluids |
| 02/25/2010 | WO2010020749A1 Methods and compositions for treating subterranean formations |
| 02/25/2010 | WO2010020748A1 Delayed crosslinking agents for high-temperature fracturing |
| 02/25/2010 | WO2010020679A1 High performance water based fluids |
| 02/25/2010 | WO2010020351A1 Release of chemical systems for oilfield applications by stress activation |
| 02/25/2010 | WO2010020350A1 Method and composition for curing lost circulation |
| 02/25/2010 | WO2009152002A3 Low conductivity water based wellbore fluid |
| 02/25/2010 | WO2009137587A3 Method and system to recover usable oil-based drilling muds from used and unacceptable oil-based drilling muds |
| 02/25/2010 | WO2009133339A9 Gelation inhibiting retarders for highly reactive calcium silicate based binder compositions and methods of making and using same |
| 02/25/2010 | US20100048432 Enhanced oil recovery using sulfonate mixtures |
| 02/25/2010 | US20100048431 Methods and compositions for treating subterranean formations |
| 02/25/2010 | US20100048430 Delayed crosslinking agents for high-temperature fracturing |
| 02/25/2010 | US20100048429 Methods, Systems, and Compositions for the Controlled Crosslinking of Well Servicing Fluids |
| 02/25/2010 | US20100047392 Enzymes Having Alpha Amylase Activity and Methods of Making and Using Them |
| 02/25/2010 | US20100044057 Treatment Fluids Comprising Pumicite and Methods of Using Such Fluids in Subterranean Formations |
| 02/25/2010 | US20100044049 Green coal bed methane fracturing fluid compositions, methods of preparation and methods of use |
| 02/25/2010 | US20100044048 Non-toxic, green fracturing fluid compositions, methods of preparation and methods of use |
| 02/25/2010 | CA2775168A1 Equipment for quick dispersion of polyacrylamide powder for fracturing operations |
| 02/25/2010 | CA2735572A1 Hydraulic fracturing proppants |
| 02/25/2010 | CA2734805A1 High performance water based fluids |
| 02/25/2010 | CA2734377A1 Delayed crosslinking agents for high-temperature fracturing |
| 02/25/2010 | CA2734324A1 Methods and compositions for treating subterranean formations |
| 02/25/2010 | CA2734016A1 Release of chemical systems for oilfield applications by stress activation |
| 02/25/2010 | CA2732878A1 Enhanced oil recovery using sulfonate mixtures |
| 02/24/2010 | EP2155833A1 Additive to reduce fluid loss for drilling fluids |
| 02/24/2010 | CN201410372Y Hydrophobic associating polymer dissolving curing and stirring device |
| 02/24/2010 | CN101657605A Multicomponent viscoelastic surfactant fluid and method of using as a fracturing fluid |