| 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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| 02/24/2010 | CN101657516A High strength ceramic elements and methods for making and using the same |
| 02/24/2010 | CN101654615A Composite particles, fracture proppant containing same and method for preparing fracture proppant |
| 02/24/2010 | CN101654614A Water glass slurry for grouting on mine working surface |
| 02/24/2010 | CN100591744C Oil gas well fracturing fluid for stratum of high temperature of 180-200 DEG C |
| 02/24/2010 | CN100591743C Composite fracturing fluid |
| 02/24/2010 | CN100591742C Method of raising oil deposit crude petroleum recovery ratio |
| 02/24/2010 | CN100591741C Granules of powdery mineral and method for production of granules |
| 02/24/2010 | CN100591703C Zwitterionic polymers comprising betaine-type units and use of zwitterionic polymers in drilling fluids |
| 02/23/2010 | US7666821 Self-diverting pre-flush acid for sandstone |
| 02/23/2010 | US7666820 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 |
| 02/23/2010 | US7665523 Treating tar sand or tar resident in well bore by contacting the tar sand with treatment fluid comprising an aqueous fluid and a styrene-acrylate polymer, the tar sand comprising tar and sand, and allowing styrene-acrylate polymers to interact with tar to separate tar from sand |
| 02/23/2010 | CA2580590C Apparatus and method of fracturing |
| 02/23/2010 | CA2574245C Stabilization of methyl butynol in hydrochloric acid well treatment systems |
| 02/23/2010 | CA2560207C Tagged propping agents and related methods |
| 02/18/2010 | WO2010019535A2 Thermoplastic cellulosic fiber blends as lost circulation materials |
| 02/18/2010 | WO2010018205A1 Reduced abrasiveness with micronized weighting material |
| 02/18/2010 | WO2010017575A1 Compositions and methods for inhibiting emulsion formation in hydrocarbon bodies |
| 02/18/2010 | WO2009137407A3 Methods and aqueous based wellbore fluids for reducing wellbore fluid loss and filtrate loss |
| 02/18/2010 | WO2009137399A3 High density breaker fluids and methods of use thereof |
| 02/18/2010 | US20100041792 cementing well; rapid strength development; terpolymer rubber of 2-acrylamido-2-methylpropanesulfonic acid and butadiene and styrene |
| 02/18/2010 | US20100037835 Direct contact rotating steam generator using low quality water with zero liquid discharge |
| 02/18/2010 | CA2734032A1 Thermoplastic cellulosic fiber blends as lost circulation materials |
| 02/18/2010 | CA2732627A1 Reduced abrasiveness with micronized weighting material |
| 02/17/2010 | EP2154224A1 Method of carrying out a wellbore operation |
| 02/17/2010 | EP2152832A1 Use of elastomers to produce gels for treating a wellbore |
| 02/17/2010 | CN201404774Y Fast polymer dissolving system |
| 02/17/2010 | CN101649194A Compound multivalent metallic ion crosslinking agent and production method and use method thereof |
| 02/17/2010 | CN101649193A Compressible highly flexible plugging agent |
| 02/17/2010 | CN101649192A Recycled solidfree micro-foam drilling fluid or completion fluid |
| 02/16/2010 | US7662755 Sealant compositions and methods of using the same to isolate a subterranean zone from a disposal well |
| 02/16/2010 | US7662753 Treating subterranean formations such as well bores with aqueous fluids of biodegradable polymeric surfactants with are block polymers e.g. polyethylene glycol-polylactic acid copolymer; environmental regulations |
| 02/16/2010 | US7662752 Chemical wash compositions for removing drilling fluids |
| 02/16/2010 | CA2601122C Methods of using polymer-coated particulates |
| 02/16/2010 | CA2521259C Drilling fluids with improved shale inhibition and methods of drilling in subterranean formations |
| 02/16/2010 | CA2444288C Carbon dioxide compatible non-aqueous crosslinked fracturing fluids and methods for their use |
| 02/16/2010 | CA2414809C Method and fluid for controlling saturation of a formation around a well |
| 02/16/2010 | CA2293211C Process including a reversible foaming composition |
| 02/11/2010 | WO2010015879A2 Invert silicate fluids for wellbore strengthening |
| 02/11/2010 | WO2010015841A1 Improved fluid loss compositions and methods of use for subterranean operations |
| 02/11/2010 | WO2010015796A1 Proppant-containing treatment fluids and methods of use |
| 02/11/2010 | WO2010015639A1 Aziridine crosslinking agents for producing non-aqueous gels and polymer beads for oilfield applications |
| 02/11/2010 | US20100036017 Sealant Compositions Comprising Diutan and Associated Methods |
| 02/11/2010 | US20100035772 Sealant compositions comprising solid latex |
| 02/11/2010 | US20100032171 Supercritical Pentane as an Extractant for Oil Shale |
| 02/11/2010 | US20100032159 Proppant-containing treatment fluids and methods of use |
| 02/11/2010 | CA2821129A1 Improved fluid loss compositions and methods of use for subterranean operations |
| 02/11/2010 | CA2732857A1 Improved fluid loss compositions and methods of use for subterranean operations |
| 02/11/2010 | CA2708475A1 Invert silicate fluids for wellbore strengthening |
| 02/10/2010 | EP2151486A1 Water-based polymers for use as friction reducers in aqueous treatment fluids |
| 02/10/2010 | EP2150597A2 Use of curable liquid elastomers to produce gels for treating a wellbore |
| 02/10/2010 | CN101643642A High-temperature acidifying inhibiter and preparation method thereof |
| 02/10/2010 | CN101643641A Low solid phase and micro-foam drilling fluid or completion fluid capable of being used circularly |
| 02/09/2010 | US7659315 Use of polyaminomethylenephosphonates as dispersing agents |
| 02/09/2010 | CA2295765C Method for inhibiting biogenic sulfide generation |
| 02/04/2010 | US20100029516 Fiber assisted emulsion system |
| 02/04/2010 | US20100029515 Hydrocarbon fluids and methods of using same |
| 02/04/2010 | US20100029514 Naphthenic acid solids dissolver compositions and methods related thereto |
| 02/03/2010 | EP2148908A1 Polysaccharide based scale inhibitor |
| 02/03/2010 | CN101638577A Natural feather plugging fiber used for drilling of oil and gas wells in oil fields and preparation method thereof |
| 02/03/2010 | CN101638576A Shielding and temporary plugging gelling agent for drilling fluid and production method and use method thereof |
| 02/03/2010 | CN101638575A High-temperature resistant thinner for drilling fluid and production method and use method thereof |
| 02/03/2010 | CN101638574A Acid-in-oil stuck freeing fluid and production method and use method thereof |
| 02/03/2010 | CN100587021C Preparation of shift drive agent of self cross-linked polymer and application method |
| 02/02/2010 | US7655604 A reversibly thickenener for water-based wellbore fluids also soluble in organic and aqueous fluids comprising a branched long-chain carboxylic acid, sulfate or sulfonate or salt thereof; aqueous viscoelastic solutions via micellar aggregation; hydrophobic; broken gel mixes with hydrocarbon in well |
| 02/02/2010 | US7655603 Clean-up additive for viscoelastic surfactant based fluids |
| 02/02/2010 | US7655158 Corrosion inhibitor |
| 02/02/2010 | US7654326 for servicing well bores; slurrying |
| 02/02/2010 | CA2552049C Orthoester compositions and methods of use in subterranean applications |
| 02/02/2010 | CA2544834C Dissolving filter cake |
| 02/02/2010 | CA2529895C Method for stimulating an oilfield comprising using different scale-inhibitors |
| 02/02/2010 | CA2521749C Drilling fluids comprising sized graphite particles |
| 02/02/2010 | CA2518016C Viscoelastic fluids containing nanotubes for oilfield uses |
| 02/02/2010 | CA2515058C Stabilized colloidal and colloidal-like systems |
| 02/02/2010 | CA2512841C Flat rheology drilling fluid |
| 02/02/2010 | CA2491004C A novel foamer composition and methods for making and using same |
| 02/02/2010 | CA2408764C Well service composition comprising a fracturing fluid and a gas hydratecontroller and the method of using the composition |
| 02/02/2010 | CA2394858C Acid based micro-emulsions |
| 01/28/2010 | WO2010011222A1 Drilling fluid, drill-in fluid, completion fluid, and workover fluid additive compositions containing thermoset nanocomposite particles |
| 01/28/2010 | WO2010010539A1 Method of gravel packing a well containing synthetic or oil-based drilling fluids |
| 01/28/2010 | WO2010010325A1 Method of carrying out a wellbore operation |
| 01/28/2010 | WO2010009830A1 Control of the properties of cement slurries of normal densities with optimized polymers combination |
| 01/28/2010 | WO2009133312A3 Method for reducing fluid flow in a porous medium by means of a biological process |
| 01/28/2010 | US20100022421 Process for preparing thermally stable oil-in-water and water-in-oil emulsions |
| 01/28/2010 | US20100022420 composition comprising at least one alkoxylated amine, at least one acid, and at least one alcohol; for completion of oil wells |
| 01/28/2010 | US20100022419 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir |
| 01/28/2010 | US20100022418 Method and composition to increase viscosity of crosslinked polymer fluids |
| 01/28/2010 | US20100022417 Composition and Method for the Removal or Control of Paraffin Wax and/or Asphaltine Deposits |
| 01/28/2010 | US20100018710 Fracturing fluid compositions, methods of preparation and methods of use |
| 01/28/2010 | US20100018708 Control of the Properties of Cement Slurries of Normal Densities With Optimized Polymers Combination |
| 01/28/2010 | US20100018706 useful as proppants in fracturing a subterranean geological formation; reduced penetration of fluids into the lighweight porous proppants; treatment with perfluoroalkyl-functional acrylate copolymer and a fluorosilicone compound such as [C4F9SO2N(CH3)CH2]2CHOC(O)NH(CH2)3Si(OCH2CH3)3 |
| 01/28/2010 | US20100018705 acid fracturing fluid comprises a polymer comprising acrylamide; a gel breaker comprising fluoboric acid; an acid; and a zirconium-based crosslinking agent; easy to handle, "live" breaker that can break the polymer gels penetrating deep into the formation; fluoborate breaks down to fluoride anions |
| 01/28/2010 | CA2725088A1 Method of manufacture and the use of a functional proppant for determination of subterranean fracture geometries |
| 01/28/2010 | CA2674113A1 Method and composition to increase viscosity of crosslinked polymer fluids |
| 01/27/2010 | EP2147902A1 Control of the properties of cement slurries of normal densities with optimized polymers combination |
| 01/27/2010 | EP2147077A1 Control of particulate entrainment by fluids |
| 01/27/2010 | EP2147076A1 Well treatment with complexed metal crosslinkers |
| 01/27/2010 | CN101633840A Hydrophobic group grafted and modified guar gum fracturing fluid gel |
| 01/27/2010 | CN101633839A 200-DEG C super-high temperature fracturing fluid |
| 01/27/2010 | CN101633838A Fracturing fluid compositions, methods of preparation and methods of use |
| 01/27/2010 | CN101633837A Polymer flooding oil-water separation agent and preparation method thereof |