| 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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| 07/05/2007 | US20070151484 Cement compositions comprising particulate carboxylated elastomers and associated methods |
| 07/05/2007 | CA2634745A1 Improved biodegradability of antiscalant formulations |
| 07/04/2007 | EP1697482B1 Oil-based drilling fluid comprising a non-polluting emulsifying system which can be used for any base oil and which is stable in respect of gas hydrates formation |
| 07/04/2007 | CN1993430A Use of water-soluble acrylic copolymers in optionally pigmented aqueous formulations and resulting formulations. |
| 07/04/2007 | CA2572891A1 Hydrocarbon fluids and methods of using same |
| 07/04/2007 | CA2531982A1 A hydrocarbon fluid composition and the method of use |
| 07/03/2007 | US7238733 Well cementing; carbon black, lignite, brown coal, humic acid, butadiene-styrene latex; clay of bentonite, attapulgite, kalonite, hectorite, or sepiolite; 2-acrylamido-2-methylpropane sulfonic acid-,N-dimethylacrylamide copolymer; carrageen, scleroglucan, hydroxyethylcellulose, and gums |
| 07/03/2007 | US7238649 Powder composition |
| 07/03/2007 | US7238648 Viscoelastic surfactant fluids and related methods of use |
| 07/03/2007 | US7238647 Method and fluid for controlling the saturation of a formation around a well |
| 07/03/2007 | US7238646 Invertible well bore servicing fluid |
| 07/03/2007 | US7238229 Acid-degradable glass, water, water-soluble polymerizable alkenoic acid monomer, and water-soluble free-radical initiator; improved elasticity, compressive strength, and low permeability |
| 07/03/2007 | US7237609 Methods for producing fluids from acidized and consolidated portions of subterranean formations |
| 06/29/2007 | CA2531920A1 Friction pressure reducing agents for gases |
| 06/28/2007 | WO2007056284A3 Polycationic viscoelastic compositions |
| 06/28/2007 | US20070149412 have yield power law characteristics such that they are not prone to movement once emplaced in annulus; minimization of movements in fluids reduces convective heat loss to a minimum; includes hydrocarbon fluid, gelling agent, rheological additive; gelling agent comprises phosphoric, phosphonic acid ester |
| 06/28/2007 | DE102005060549A1 Ethercarbonsäuren als Additive zur Verbesserung der Schmierwirkung von wasserbasierten Bohrspülungen Ether carboxylic acids as additives for improving the lubricity of water-based drilling fluids |
| 06/27/2007 | EP1801180A1 Filtrate reducer for drilling muds |
| 06/27/2007 | EP1799963A1 Methods and aqueous acid solutions for acidizing wells containing sludging and emulsifying oil |
| 06/27/2007 | EP1799960A2 Method for treating underground formations or cavities with microgels |
| 06/27/2007 | EP1799790A1 Corrosion and gas hydrate inhibitors with an increased biological degradability and a reduced toxicity |
| 06/27/2007 | EP1682630B1 Use of cmc in drilling fluids |
| 06/27/2007 | EP1506343B1 System for treating an underground formation |
| 06/27/2007 | CN1989313A Alkylxylene sulfonates for enhanced oil recovery processes |
| 06/27/2007 | CN1989219A Water-based drilling fluids |
| 06/27/2007 | CN1988971A Process for stimulating production of hydrogen from petroleum in subterranean formations |
| 06/27/2007 | CN1988970A Process for stimulating production of methane from petroleum in subterranean formations |
| 06/27/2007 | CN1323127C High polymer fracturing liquid and preparation thereof |
| 06/26/2007 | CA2405426C Stability enhanced water-in-oil emulsion and method for using same |
| 06/26/2007 | CA2203349C Stable breaker-crosslinker-polymer complex and method of use in completion and stimulation |
| 06/21/2007 | WO2007069884A1 Immobilisation of bacteria to a geological material |
| 06/21/2007 | WO2007068876A1 Water-based polymers for use as friction reducers in aqueous treatment fluids |
| 06/21/2007 | WO2007068404A1 Ether carboxylic acids as additives for improving the lubricating action of water-based drilling fluids |
| 06/21/2007 | WO2007017806A3 Prevention of water and condensate blocks in wells |
| 06/21/2007 | US20070142235 Process for oil recovery using surfactant gels |
| 06/21/2007 | US20070142234 non-aqueous oil phase which contains paraffins a mixture o having from 5 to 22 carbon atoms; andinternal olefins having from 12 to 30 carbon atoms in the molecule; in the form of a blend withcarboxylic esters of the formula R COO R', low levels of toxicity towards marine microorganisms |
| 06/21/2007 | CA2633139A1 Immobilisation of bacteria to a geological material |
| 06/20/2007 | EP1798284A1 Immobilisation of bacteria to a geological material |
| 06/20/2007 | EP1797281A2 Method of estimating fracture geometry, compositions and articles used for the same |
| 06/20/2007 | EP1797157A2 Selective fracture face dissolution |
| 06/20/2007 | EP1797156A1 Lost circulation additive for drilling fluids |
| 06/20/2007 | EP0941395A4 Controlled gel breaker |
| 06/20/2007 | CN1985067A Aqueous tackifier and methods of controlling particulates |
| 06/20/2007 | CN1984769A Coating and/or treating hydraulic fracturing proppants to improve wettability, proppant lubrication, and/or to reduce damage by fracturing fluids and reservoir fluids |
| 06/20/2007 | CN1982407A SJT-B-oil-displacing synergist |
| 06/20/2007 | CN1322093C Cation emulsion asphalt anti-collapse agent for well drilling fluid and its producing method |
| 06/20/2007 | CN1322092C Invert emulsion drilling fluid containing mixture of secondary esters obtained by conversion of olefins, and preparation thereof |
| 06/19/2007 | US7232793 Subterranean treatment fluid containing a friction reducing polymer with acrylamide and acrylic acid units, particularly hydrolyzed polyacrylamide; an anionic salt; glycerin; a polyester polyol nonionic surfactant; and an ammonium salt of polyacrylic acid anionic surfactant; for stimulation of oil wells |
| 06/19/2007 | CA2441332C Methods of consolidating proppant and controlling fines in wells |
| 06/14/2007 | WO2007067668A1 Solvent free fluidized polymer suspensions for oilfield servicing fluids |
| 06/14/2007 | WO2007067463A1 Process for separating mixtures |
| 06/14/2007 | WO2007066269A2 Viscoelastic surfactant rheology modification |
| 06/14/2007 | WO2007065872A1 High temperature gellant for viscosity modification of low and high density brines |
| 06/14/2007 | WO2007051167A3 Method and apparatus for treating water to reduce boiler scale formation |
| 06/14/2007 | US20070135314 Effective at dissolving siliceous clays and keeping dissolved materials in solution; prevents re-precipitation; for sandstone stimulation, removal of clay-containing drilling fluid components and filter cakes from wellbores, sandstone acid fracturing, and gravel pack and proppant pack cleaning |
| 06/14/2007 | US20070135313 Subterranean treatment fluid containing a friction reducing polymer, particularly hydrolyzed polyacrylamide; an anionic salt; a polyol such as glycerine; a nonionic surfactant (e.g., polyester polyol); and an anionic surfactant such as polyammonium acrylate; for stimulation of oil wells |
| 06/14/2007 | US20070135312 Solvent free fluidized polymer suspensions for oilfield servicing fluids |
| 06/14/2007 | US20070135311 Use of cmc in drilling fluids |
| 06/14/2007 | US20070135310 Compositions for treating a well penetrating a subterranean formation and uses thereof |
| 06/14/2007 | US20070131425 Aggregating reagents, modified particulate metal-oxides, and methods for making and using same |
| 06/14/2007 | CA2632656A1 High temperature gellant for viscosity modification of low and high density brines |
| 06/14/2007 | CA2631933A1 Process for separating mixtures |
| 06/14/2007 | CA2630924A1 Solvent free fluidized polymer suspensions for oilfield servicing fluids |
| 06/14/2007 | CA2629918A1 Viscoelastic surfactant rheology modification |
| 06/13/2007 | EP1795579A1 Asphaltene dispersants for petroleum products |
| 06/13/2007 | EP1795572A1 Internal-olefin composition and base oil comprising the composition for oil drilling |
| 06/13/2007 | EP1795571A1 High temperature gellant for viscosity modification of low and high density brines |
| 06/13/2007 | EP1795265A2 Use of weakly anionic copolymers as grinding aid agents of an aqueous suspension of mineral materials, aqueous suspensions obtained and uses thereof. |
| 06/13/2007 | EP1794412A1 Treatment method for inhibiting corrosion of top of lines used in the oil industry |
| 06/13/2007 | EP1794100A2 Cement compositions comprising environmentally compatible defoamers and methods of use |
| 06/13/2007 | CN1981109A Method and apparatus for performing chemical treatments of exposed geological formations |
| 06/13/2007 | CN1981014A Multicomponent viscoelastic surfactant fluid and method of using as a fracturing fluid |
| 06/13/2007 | CN1978584A Harm-free core-drilling fluid, and its preparing method and use |
| 06/13/2007 | CN1978497A Multi-speed catalysed phenolic resin gel and its use |
| 06/12/2007 | US7229950 Treating a hydrocarbon-containing formation with a mixture of aliphatic anionic surfactant and a branched aliphatic nonionic additive to reduce interfacial surface tension between fluids (e.g., water, hydrocarbons) to allow interaction with different hydrocarbons to form an emulsion |
| 06/12/2007 | US7229492 Mixture of coarse-sized particles (especially polyethylene, polypropylene, or polystyrene) having an average size greater than 1,100 microns and fine-sized particles having an average size of less than 150 microns and/or medium-sized particles having an average size of 250 - 850 microns and water |
| 06/12/2007 | US7228905 Zeolite compositions having enhanced compressive strength |
| 06/12/2007 | US7228904 Compositions and methods for improving fracture conductivity in a subterranean well |
| 06/07/2007 | WO2007064385A1 Polymer hydration method using microemulsions |
| 06/07/2007 | WO2007063325A1 Particles |
| 06/07/2007 | WO2007063319A1 Additives and treatment fluids comprising chlorinated carbohydrates and methods of using them |
| 06/07/2007 | WO2007063317A1 Wellbore sealant compositions containing cationic latexes and methods of using them |
| 06/07/2007 | WO2007063315A1 Treatment fluids and methods using zeolite and a delayed release acid for treating a subterranean formation |
| 06/07/2007 | WO2007036579A3 Precursor compositions for ceramic products |
| 06/07/2007 | WO2007026317A3 Methods of forming acid particle based packers for wellbores |
| 06/07/2007 | WO2007020592A3 Wellbore treatment compositions containing foam extenders and methods of use thereof |
| 06/07/2007 | US20070129262 Viscoelastic Surfactant Rheology Modification |
| 06/07/2007 | US20070129261 Additives Comprising Maltodextrin |
| 06/07/2007 | US20070129260 Comprising 4-chloro-4-deoxygalactose or a derivative thereof or 1,6-dichloro-1,6-dideoxyfructose as well fluid additives for use in a subterranean formation that includes a chlorinated carbohydrate and a tartaric acid |
| 06/07/2007 | US20070129259 Hydrocarbon industry servicing fluid and methods of performing service operations |
| 06/07/2007 | US20070129258 Antiswelling agents contains shale encapsulator contsisting of quaternary polyacrylamide and polyvinyl alcohol, for absorbing and binding on clay particles, encapsulating the cuttings during drilling solids in subterranean formation |
| 06/07/2007 | US20070129257 Method for foaming a hydrocarbon drilling fluid and for producing light weight hydrocarbon fluids |
| 06/07/2007 | US20070129256 Additives for inhibiting the formation of gas hydrates |
| 06/07/2007 | US20070125987 Tagged scale inhibiting polymers, compositions comprised thereof and preventing or controlling scale formation therewith |
| 06/07/2007 | US20070125542 High temperature gellant in low and high density brines |
| 06/07/2007 | CA2632179A1 Particles |
| 06/07/2007 | CA2568764A1 Asphaltene dispersants for petroleum products |
| 06/06/2007 | EP1791924A2 Differential etching in acid fracturing |
| 06/06/2007 | EP1791691A2 Particles for use as proppants or in gravel packs, methods for making and using the same |
| 06/06/2007 | DE112005001351T5 Wässriger Klebrigmacher und Verfahren zur Kontrolle von Feststoffteilchen Aqueous tackifier and method for controlling particulate matter |