| 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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| 10/09/2008 | CA2679889A1 Zirconium-based cross-linker compositions and their use in high ph oil field applications |
| 10/09/2008 | CA2678783A1 Zirconium-based cross-linker compositions and their use in high ph oil field applications |
| 10/08/2008 | EP1978071A1 Method and composition for zonal isolation of a well |
| 10/08/2008 | EP1977873A1 Drag reducer for powdery cement compositions |
| 10/08/2008 | EP1976993A2 Thermacetogenium phaeum consortium for the production of materials with enhanced hydrogen content |
| 10/08/2008 | EP1976808A1 Low density proppant particles and use thereof |
| 10/08/2008 | EP1976805A2 Improved biodegradability of antiscalant formulations |
| 10/08/2008 | EP1858834B1 Biologically degradable gas hydrate inhibitors |
| 10/08/2008 | EP1412448B1 Method for controlling saturation of a formation around a well |
| 10/08/2008 | CN101280678A Oil well chemical gorge and disgorge yield increasing and inverse direction regulating block connection working process |
| 10/08/2008 | CN101280184A Foam curing profile control agent for steam stimulation well and injection technology |
| 10/08/2008 | CN101280183A Oil-displacing agent capable of forming nano-film and preparation thereof |
| 10/08/2008 | CN101280182A Surfactant composition and use thereof |
| 10/08/2008 | CN101280181A Surfactant composition and use thereof |
| 10/08/2008 | CN101280180A Surfactant composition and use thereof |
| 10/08/2008 | CN101280179A Surfactant composition and use thereof |
| 10/08/2008 | CN101280038A High molecular weight anionic polymer fluid dispersion, preparation and application thereof |
| 10/08/2008 | CN101279984A Alkyl phenol sulfonic polyoxyethylene ether phosphate salt and preparation thereof |
| 10/08/2008 | CN101279938A Alkyl phenol sulfonic polyethenoxy ether sodium monosulfosuccinates and preparation thereof |
| 10/08/2008 | CN101279937A Alkyl phenol sulfonic polyoxyethylene ether sulfonate and preparation thereof |
| 10/08/2008 | CN101279936A Alkyl phenol sulfonic polyoxyethylene ether sulfate and preparation thereof |
| 10/08/2008 | CN101279935A Alkyl phenol sulfonic polyoxyethylene ether carboxylate and preparation thereof |
| 10/08/2008 | CN101279934A Aliphatic acid polyethenoxy ether sulphonate and preparation thereof |
| 10/07/2008 | US7432230 Metallic soaps of modified fatty acids and rosin acids and methods of making and using same |
| 10/07/2008 | US7431106 Drilling method |
| 10/07/2008 | US7431081 Device for removal and filtration of drilling fluid |
| 10/07/2008 | CA2423031C Lightweight particulate materials and uses therefor |
| 10/07/2008 | CA2337554C Formation treatment method using deformable particles |
| 10/02/2008 | WO2008118748A1 Aqueous base wellbore fluids for high temperature-high pressure applications and methods of use |
| 10/02/2008 | WO2008118244A1 Method for treating a fractured formation |
| 10/02/2008 | WO2008118240A1 Method and system for treating hydrocarbon formations |
| 10/02/2008 | WO2008118239A1 Method for treating a hydrocarbon formation |
| 10/02/2008 | WO2008117222A1 Method for treating subterranean formation |
| 10/02/2008 | WO2008117020A1 Wellbore servicing compositions |
| 10/02/2008 | WO2008094069A3 Proppant, proppant production method and use of proppant |
| 10/02/2008 | WO2008044158B1 Internal breaker for oilfield fluids |
| 10/02/2008 | WO2008035253B1 Oxidative internal breaker for viscoelastic surfactant fluids |
| 10/02/2008 | US20080236845 Method for Increasing the Production of Hydrocaarbon Liquids and Gases |
| 10/02/2008 | US20080236832 Method for Treating Subterranean Formation |
| 10/02/2008 | US20080236826 Allowing a mixture of a calcium aluminate cement and a gelation inhibitor to set; inhibitors include terpolymers of methallyloxybenzenesulfonic acid or salts, methacrylic acid esters, and an acrylic amides |
| 10/02/2008 | US20080236824 contacting zirconium triethanolamine complex with mixture of polyols comprising hydroxyalkylated diamine and hydrocarbon polyol; oil fields, hydraulic fracturing and plugging of permeable zones of subterranean formations; well bores |
| 10/02/2008 | CA2681235A1 Aqueous base wellbore fluids for high temperature-high pressure applications and methods of use |
| 10/01/2008 | EP1974031A1 Immobilisation of bacteria to a geological material |
| 10/01/2008 | EP1973982A1 Water-based polymers for use as friction reducers in aqueous treatment fluids |
| 10/01/2008 | EP1791924B1 Differential etching in acid fracturing |
| 10/01/2008 | EP1520085B1 Compositions and methods for treating a subterranean formation |
| 10/01/2008 | EP0833802B1 Slag cement and process using hydrophobically modified galactomannans as filtrate reductants |
| 10/01/2008 | CN101277909A Cement composition for carbon dioxide supercritical environment |
| 10/01/2008 | CN101275071A Water-based collapse-proof drilling fluid |
| 10/01/2008 | CN101275070A Organic silicate semi-permeable diaphragm agent and preparation thereof |
| 10/01/2008 | CN101274974A Temperature-resistant water-soluble copolymer, preparation and use thereof |
| 10/01/2008 | CN100422227C Production of cationic microsphere with crosslinked swelling function |
| 09/30/2008 | US7429620 Surfactant package for well treatment and method using same |
| 09/30/2008 | US7429553 Process for reducing the toxicity of hydrocarbons |
| 09/30/2008 | CA2431370C Methods of reducing or preventing particulate flow-back in wells |
| 09/30/2008 | CA2324059C Use of delayed release breakers in gelled hydrocarbons |
| 09/30/2008 | CA2237599C Invert emulsion fluids suitable for drilling |
| 09/25/2008 | WO2008115941A1 Methods and compositions for diverting acid fluids in wellbores |
| 09/25/2008 | WO2008115097A2 Proppant and production method thereof |
| 09/25/2008 | WO2008114192A2 Method of treating subterranean formation with crosslinked polymer fluid |
| 09/25/2008 | WO2008113975A2 Particulate flow enhancing additives and associated methods |
| 09/25/2008 | WO2008090267A3 Enhanced crude oil recovery |
| 09/25/2008 | US20080234148 Method of Increasing pH of High-Density Brines |
| 09/25/2008 | US20080234147 Method of Treating Subterranean Formation with Crosslinked Polymer Fluid |
| 09/25/2008 | US20080234146 Proppant and Production Method Thereof |
| 09/25/2008 | US20080234145 Use of Lithium Salts of Fatty Alcohol Sulphates for Cleaning Boreholes, Boring Devices and Borings |
| 09/25/2008 | DE112006002829T5 Verfahren zum Zerklüften von Formationen unter Verwendung quaternärer Aminsalze als Viskositätserhöher A method for fracturing formations using quaternary amine salts as viscosity enhancers |
| 09/25/2008 | CA2680392A1 Particulate flow enhancing additives and associated methods |
| 09/25/2008 | CA2678171A1 Proppant and production method thereof |
| 09/24/2008 | EP1971672A2 Inhibiting naphthenate solids and emulsions in crude oil |
| 09/24/2008 | EP1971636A1 Water absorbing polymers for treatment of brines and water-based drilling fluids |
| 09/24/2008 | CN101270280A Fracturing propping agent for oil gas well and preparation method thereof |
| 09/24/2008 | CN101270279A Oil displacement system for improving recovery factor after polyalcohol drive and preparation method thereof |
| 09/24/2008 | CN101270278A Netted sand prevention material |
| 09/24/2008 | CN101270277A Horizontal well segmenting perforating compression fracture technique and rubber plug of self-breaking glue solution bung |
| 09/24/2008 | CN101270166A Method for preparing liquid xanthan gum |
| 09/23/2008 | US7427584 Treating composition |
| 09/23/2008 | US7427583 comprising a viscoelastic surfactant and a hydrophobically-modified polymer, use in the recovery of hydrocarbons such as oils or natural gas from subterranean formations |
| 09/23/2008 | US7427582 Internal breaker |
| 09/23/2008 | US7426961 introducing into a well a suspension of porous particle in a carrier fluids, that forms a pack of particle that is permeable to fluids produced from the well bore and prevents or reduces production of formation materials from the formation into the well bore; well completion |
| 09/23/2008 | CA2525704C Methods and compositions for placing particulate materials in subterranean zones |
| 09/18/2008 | WO2008112481A1 Shale hydration inhibition agent and method of use |
| 09/18/2008 | WO2008112453A1 Low toxicity shale hydration inhibition agent and method of use |
| 09/18/2008 | WO2008112113A1 Stable sodium thiosulfate based fluidized polymer suspensions of hydroxyethyl cellulose for oilfield services |
| 09/18/2008 | WO2008110798A2 Improved aqueous-based insulating fluids and related methods |
| 09/18/2008 | WO2008110789A1 Improved corrosion-inhibiting additives, treatment fluids, and associated methods |
| 09/18/2008 | WO2008110474A1 Use of betaines as foaming agents and foam drainage reducing agents |
| 09/18/2008 | WO2008110473A1 Use of a betaine as a foam drainage reducing agent |
| 09/18/2008 | WO2008091956A3 Organic acid treating fluids with viscoelastic surfactants and internal breakers |
| 09/18/2008 | US20080227672 Rapid, complete visbreaking of aqueous viscoelastic surfactant materials; low cost; subterranean hydrocarbon recovery operations |
| 09/18/2008 | US20080227671 Low toxicity shale hydration inhibition agent and method of use |
| 09/18/2008 | US20080227670 Treated with quaternary ammonium surfactants having at least two amide linkages; preventing marine environment and groundwater contamination |
| 09/18/2008 | US20080227667 Fluid Loss Control Additive and Cement Compositions Comprising Same |
| 09/18/2008 | US20080227665 Aqueous-Based Insulating Fluids and Related Methods |
| 09/18/2008 | US20080223578 reducing the permeability of a subterranean formation; by forming a crosslinked gel by crosslinking a water soluble acrylamide copolymer with a polyanion complexed with a polycation; a polyethylene imine or polypropylene imine complexed with dextran sulfate |
| 09/18/2008 | CA2684233A1 High strength ceramic elements and methods for making and using the same |
| 09/18/2008 | CA2680098A1 Aqueous-based insulating fluids comprising water-miscible organic liquid and a synthetic polymer, and related methods |
| 09/18/2008 | CA2679463A1 Stable sodium thiosulfate based fluidized polymer suspensions of hydroxyethyl cellulose for oilfield services |
| 09/17/2008 | EP1969082A1 Treatment fluids and methods using zeolite and a delayed release acid for treating a subterranean formation |
| 09/17/2008 | EP1968892A1 Organophilic clays and methods for the preparation and use thereof |