| 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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| 05/19/2010 | EP2185483A1 Hyper-fine cement |
| 05/19/2010 | EP2185276A2 Chemical treatment of cuttings for re-injection into subterranean formations |
| 05/19/2010 | EP1893717B1 Surfactant mixtures for tertiary oil recovery |
| 05/19/2010 | CN101711273A Well service compositions for consolidation of particulates in subterranean coal seams |
| 05/19/2010 | CN101311243B Temporary blocking agent for hydrocarbon reservoir crack |
| 05/19/2010 | CN101104794B Method for preparing highly effective anion surfactant for third oil extraction |
| 05/19/2010 | CN101104665B AM/NaAA/allylcyclodextrin polymer with inclusion function and synthetic method thereof |
| 05/18/2010 | US7718584 Contains an aqueous base fluid, a viscoelastic surfactant, and a dual-function additive comprising a soap component such as a fatty acid; use as fracturing fluid in subterranean formations |
| 05/18/2010 | US7718583 Particulate material for proppant flowback control |
| 05/18/2010 | US7718582 Method for treating subterranean formation with enhanced viscosity foam |
| 05/18/2010 | US7718581 Method using composition to reduce cutting head wear |
| 05/18/2010 | US7718580 Internal-olefin composition and base oil comprising the composition for oil drilling |
| 05/18/2010 | US7717176 Permeable cements |
| 05/18/2010 | CA2374115C Energy efficient method and apparatus for stimulating heavy oil production |
| 05/14/2010 | WO2010053969A1 Method of reducing the viscosity of hydrocarbon fluids |
| 05/14/2010 | WO2010053904A2 Non-aqueous breaker fluids and methods of use thereof |
| 05/14/2010 | WO2010051612A1 Continuous industrial process for the production of polysaccharides in the form of a concentrated, water-based broth |
| 05/14/2010 | CA2742103A1 Method of reducing the viscosity of hydrocarbon fluids |
| 05/13/2010 | US20100120944 Use of curable liquid elastomers to produce gels for treating a wellbore |
| 05/13/2010 | US20100120638 Additives for oil recovery from reservoirs |
| 05/13/2010 | US20100120637 Composition That Can Form a Gel Comprising a Copolymer, and Useful Copolymers |
| 05/13/2010 | US20100116553 Method and Apparatus For Managing Variable Density Drilling Mud |
| 05/13/2010 | US20100116497 Method of servicing a wellbore with a sealant composition comprising solid latex |
| 05/13/2010 | US20100116170 Cement compositions comprising crystalline organic materials and methods of using same |
| 05/12/2010 | EP2183464A2 Methods of increasing fracture resistance in low permeability formations |
| 05/12/2010 | EP1999225B1 Methods of treating wellbores with recyclable fluids |
| 05/12/2010 | CN1916031B Hybrid copolymers |
| 05/12/2010 | CN101705811A Chemical pressure decreasing and augmented injection technology for strong sensitivity oil layer water injection well |
| 05/12/2010 | CN101705083A Formulation of surfactant oil displacement system for anionic and nonionic oil displacement |
| 05/12/2010 | CN101705082A Formulated fracturing fluid of micro emulsion gel |
| 05/12/2010 | CN101705081A Gemini quaternary-ammonium-salt water injection increasing agent |
| 05/12/2010 | CN101705080A Deepwater drilling liquid |
| 05/12/2010 | CN101705079A Method for preparing novel solid lubricant microspheres for drilling fluid |
| 05/12/2010 | CN101240035B Ultra-high substitution carboxymethyl cellulose sodium and its preparation method and application |
| 05/11/2010 | US7713918 for subterranean formation treatments, such as hydraulic fracturing treatments and sand control; for use as lightweight materials in liquid carbon dioxide-based well treatment systems; well bores; well completion |
| 05/11/2010 | US7713917 low thermoconductivity; well bores; reduces convection flow velocity within annulus surrounding production tubing or transfer pipe |
| 05/11/2010 | US7713916 synthesized from a diketene acetal or multiketene acetal by addition of hydrophobic alcohol such as fatty alcohol, a fatty alcohol ethoxylate, an end-capped hydrophobic poly(alkylene oxide), poly(tetrahydrofuran), polybutadiene hydroxyl terminated; and a hydrophilc alochol e.g. endcapped polyoxyglycol |
| 05/11/2010 | US7712531 Methods for controlling particulate migration |
| 05/11/2010 | CA2580012C Subterranean fluids having improved environmental characteristics and methods of using these fluids in subterranean formations |
| 05/11/2010 | CA2517093C Compositions and methods of cementing in subterranean formations using a swelling agent to inhibit the influx of water into a cement slurry |
| 05/11/2010 | CA2509115C A mixture of resin coated and uncoated proppant or gravel pack and methods of consolidating the same |
| 05/11/2010 | CA2444826C Low density proppant |
| 05/11/2010 | CA2406784C Method of increasing the low shear rate viscosity and shear thinning index of divalent cation-containing fluids and the fluids obtained thereby |
| 05/11/2010 | CA2264974C Acid gels for fracturing subterranean formations |
| 05/06/2010 | WO2010051253A1 Crystalline ceramic particles |
| 05/06/2010 | WO2010049467A1 A proppant |
| 05/06/2010 | WO2010049249A1 Novel cementing fluid |
| 05/06/2010 | WO2010048715A1 Gemini surfactants |
| 05/06/2010 | WO2009158340A3 Improved well drilling method for prevention of lost circulation of drilling muds |
| 05/06/2010 | US20100113310 Elastic hollow particles for annular pressure buildup mitigation |
| 05/06/2010 | US20100113309 Method of reducing the viscosity of hydrocarbon fluids |
| 05/06/2010 | US20100113308 Hydrocarbon Fluid Compositions and Methods for Using Same |
| 05/06/2010 | DE102008043245A1 Siliconpolyether-Copolymersysteme sowie Verfahren zu deren Herstellung durch Alkoxylierungsreaktion Silicone polyether copolymer systems as well as methods for their production by alkoxylation |
| 05/06/2010 | CA2741697A1 Gemini surfactants |
| 05/05/2010 | EP2181171A1 Ring reduction via natural anaerobic microbiological activity for transformation of crude oil-associated aromatic chemicals |
| 05/05/2010 | CN201447445U Device for preparing cross-linking agents of multiple emulsions |
| 05/05/2010 | CN1608168B Aqueous elasticoviscous fracturing fluid and hydrocarbon collection method using the same |
| 05/05/2010 | CN1606654B Aqueous viscoelastic fluid and method for using the same to recover hydrocarbon |
| 05/05/2010 | CN101701149A Low-density ceramsite propping agent |
| 05/05/2010 | CN101701148A Scale-clearing antiscaling agent of oil wells |
| 05/05/2010 | CA2643251A1 Hydrocarbon fluid compositions and methods for using same |
| 05/04/2010 | US7709422 Method and composition for injection at a tunnel boring machine |
| 05/04/2010 | US7709421 Microemulsions to convert OBM filter cakes to WBM filter cakes having filtration control |
| 05/04/2010 | US7709420 Organophilic clays and methods for the preparation and use thereof |
| 05/04/2010 | US7708069 Method to enhance proppant conductivity from hydraulically fractured wells |
| 05/04/2010 | US7708065 inoculation of reservoirs; anaerobic; bioremediation; denitrification |
| 05/04/2010 | CA2583105C Aqueous alcohol well treatment fluid and method of using the same |
| 05/04/2010 | CA2514311C Methods and compositions for carrier fluids comprising water-absorbent fibers |
| 05/04/2010 | CA2416645C Combined liner and matrix system |
| 04/29/2010 | WO2010048091A2 Boron crosslinkers for fracturing fluids with appreciably lower polymer loading and related methods and compositions |
| 04/29/2010 | WO2010047705A1 Saponified fatty acids as viscosity modifiers for viscoelastic surfactant-gelled fluids |
| 04/29/2010 | WO2010047612A1 Fracture clean-up by electro-osmosis |
| 04/29/2010 | WO2010046818A1 Toe-to-heel gravel packing methods |
| 04/29/2010 | WO2010046618A1 Carboxylic acid and oxidizer clean-up compositions and associated methods of use in subterranean applications |
| 04/29/2010 | US20100105580 Polymers For Oilfield Applications |
| 04/29/2010 | US20100105579 Proppant, proppant production method and use of proppant |
| 04/29/2010 | US20100101796 Hydrocarbon-based fracturing fluid compositions, methods of preparation and methods of use |
| 04/29/2010 | CA2741084A1 Fracture clean-up by electro-osmosis |
| 04/29/2010 | CA2739355A1 Carboxylic acid and oxidizer clean-up compositions and associated methods of use in subterranean applications |
| 04/28/2010 | EP2179129A2 Methods and compositions for preventing high density well completion fluid loss |
| 04/28/2010 | EP2179064A1 Method for identification of novel anaerobic denitrifying bacteria utilizing petroleum components as sole carbon source |
| 04/28/2010 | EP2179063A1 Application of anaerobic denitrifying bacteria utilizing petroleum components as sole carbon source for oil recovery |
| 04/28/2010 | EP2179005A1 A method for avoiding or reducing permeation of soil particles in a hydrocarbon well |
| 04/28/2010 | EP2179004A1 Method for enhanced recovery of oil from oil reservoirs |
| 04/28/2010 | EP2179003A1 Method for treatment of underground reservoirs |
| 04/28/2010 | EP2179002A1 Sealant compositions and methods of use |
| 04/28/2010 | EP2179001A1 A liquid composition suitable for use as a corrosion inhibitor and method for its preparation |
| 04/28/2010 | EP2179000A1 Drilling fluid additive for reducing lost circulation in a drilling operation |
| 04/28/2010 | EP1368188B1 Composite proppant, filtration media, gravel packing media, and sports field media, and methods for making and using same |
| 04/28/2010 | CN101699268A Rapid judgment for corrosion of sodium bicarbonate water type oil well and corrosion inhibitor |
| 04/28/2010 | CN101699026A Hyposmosis oil pool microbial oil recovery method |
| 04/28/2010 | CN101699025A Method for regulating and controlling microbial enhanced oil recovery |
| 04/28/2010 | CN101698794A High temperature-resistance salt-resistance oil well cement filtrate reducer |
| 04/27/2010 | US7704927 injecting stable oil-in-water emulsion acid fracturing fluid comprising about 1 vol. % to about 20 vol. % sulfonate ester, about 1 pound to about 400 pounds fluoride salt per 1000 gallons acid fracturing fluid, partial monolayers of proppant at loading of about 0.01 lb/ft2 to about 0.4 lb/ft2, and water |
| 04/27/2010 | US7704926 Cleavable surfactants; producing nonsurface active hydro-phobic and hydrophilic components; oil well fluids; prevent-ing emulsion barrier formation following fracturing |
| 04/27/2010 | US7703529 Gel capsules for solids entrainment |
| 04/27/2010 | US7703527 Aqueous two-phase emulsion gel systems for zone isolation |
| 04/27/2010 | US7703516 Stimulating oilfields using different scale-inhibitors |
| 04/27/2010 | CA2590829C Compositions and methods of using same in producing heavy oil and bitumen |
| 04/27/2010 | CA2502548C Process for the cleaning of oil and gas wellbores |