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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06/08/2011 | CN102086382A Water-based drilling fluid |
06/08/2011 | CN102086381A Saturated salt water drilling fluid |
06/08/2011 | CN102086380A High-density saturated salt water drilling fluid |
06/08/2011 | CN102086379A Method for preparing high-density water-based drilling fluid |
06/08/2011 | CN102086378A Drilling fluid helping to protect oil-gas bed |
06/08/2011 | CN102086377A Low-density water-based waste drilling slurry solidifying agent |
06/08/2011 | CN102086248A Polyacrylamide microgel as well as preparation method and application thereof |
06/08/2011 | CN102086238A Kneading method for preparing myristyl grafted carboxymethyl guar gum |
06/08/2011 | CN102086170A Synthetic method of novel corrosion inhibitor dithiocarbamate for completion fluid |
06/08/2011 | CN102086163A Preparation method and application of high temperature and high salinity stabilizer for drilling fluid |
06/08/2011 | CN101759726B Preparation process of chromium lignin sulfonate attenuant for drilling fluid |
06/08/2011 | CN101196109B Three-segment type block releasing technique for oil layer |
06/07/2011 | US7956017 Aggregating reagents, modified particulate metal-oxides and proppants |
06/07/2011 | US7956016 Methods to control fluid loss in a well bore |
06/07/2011 | US7956015 Equivalent circulating density control in deep water drilling |
06/07/2011 | US7956014 Self-breakable yield point enhancer for oil based drilling mud |
06/07/2011 | US7956013 Compositions having pH-dependent viscosity, thickener systems containing the same, and uses therefor |
06/07/2011 | US7956012 Oil field treatment fluids with viscosified brines |
06/07/2011 | US7954548 Proppant for hydraulic fracturing of oil and gas wells |
06/07/2011 | CA2515063C Methods of improving conformance control in fractured hydrocarbon reservoirs |
06/07/2011 | CA2500840C Additives for preparing rheology-modified aqueous fluids |
06/04/2011 | CA2722868A1 Phosphate ester oil gellant |
06/03/2011 | WO2011064292A2 Polyester amide foamers |
06/03/2011 | WO2011063459A1 Compositions and methods for inhibiting naphthenate solids formation from liquid hydrocarbons |
06/03/2011 | CA2719610A1 Fluid composition comprising anti-accretion additives and methods of use thereof |
06/02/2011 | US20110130505 Gypsum wallboard |
06/02/2011 | US20110130312 Method of secondary oil recovery |
06/02/2011 | US20110127039 System, method, and apparatus for acid fracturing with scale inhibitor protection |
06/01/2011 | EP2326694A1 Improved fluid loss compositions and methods of use for subterranean operations |
06/01/2011 | CN102083940A Methods for treating hydrocarbon-bearing formations having brine |
06/01/2011 | CN102083939A Methods and aqueous based wellbore fluids for reducing wellbore fluid loss and filtrate loss |
06/01/2011 | CN102083938A High density breaker fluids and methods of use thereof |
06/01/2011 | CN102083937A Use, as thickening agent, of a salty aqueous formulation of a water-soluble cross-linked and hydrophobically-modified acrylic copolymer |
06/01/2011 | CN102083936A Wellbore fluids containing sized clay material and methods of use thereof |
06/01/2011 | CN102079973A Circulated stable foams |
06/01/2011 | CN102079972A Saturated saltwater mud |
06/01/2011 | CN102079799A Preparation method of binary polymer wax oil pour point reducer |
05/31/2011 | US7951755 Emulsified polymer drilling fluid and methods of preparation |
05/31/2011 | US7951754 Environmentally friendly bis-quaternary compounds for inhibiting corrosion and removing hydrocarbonaceous deposits in oil and gas applications |
05/31/2011 | CA2643935C Methods of preparing hydrocarbon, water and organophilic clay emulsions and compositions thereof |
05/31/2011 | CA2435629C Fracturing fluid base oil |
05/27/2011 | CA2686508A1 Process and process line for the preparation of hydraulic fracturing fluid |
05/26/2011 | WO2011063148A1 Water control additive compounds and methods of making and using same |
05/26/2011 | WO2011063021A1 Surfactant based viscoelastic fluids and methods of using the same |
05/26/2011 | WO2011063004A1 Light-weight proppant from heat-treated pumice |
05/26/2011 | WO2011062988A2 A method of making a synthetic alkylaryl sulfonate |
05/26/2011 | WO2011061504A2 Compositions and systems for combatting lost circulation and methods of using the same |
05/26/2011 | WO2011061497A1 Self-diverting high-rate water packs |
05/26/2011 | WO2011060897A2 Compositions and methods for mitigation of annular pressure buildup in subterranean wells |
05/26/2011 | WO2011038861A3 Method and composition to prevent fluid mixing in pipe |
05/26/2011 | US20110124534 Non-phosphorus-based gellant for hydrocarbon fluids |
05/26/2011 | US20110124533 Method of scale inhibition |
05/26/2011 | US20110124532 Fluorinated ether silanes and methods of using the same |
05/26/2011 | US20110124531 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 |
05/26/2011 | US20110120716 Compositions and Methods for Mitigation of Annular Pressure Buildup in Subterranean Wells |
05/26/2011 | US20110120715 Self adaptive cement systems |
05/26/2011 | CA2780903A1 A method of making a synthetic alkylaryl sulfonate |
05/26/2011 | CA2780311A1 Method of using sodium silcate in treatment of subteraneant formation for water control |
05/26/2011 | CA2780277A1 Light-weight proppant from heat-treated pumice |
05/26/2011 | CA2779412A1 Surfactant based viscoelastic fluids and methods of using the same |
05/25/2011 | EP2325278A1 Polycationic viscoelastic compositions |
05/25/2011 | EP2325277A2 High density brines for use in wellbore fluids |
05/25/2011 | EP2324196A1 Hydraulic fracturing proppants |
05/25/2011 | EP2324095A1 Compositions and methods for inhibiting emulsion formation in hydrocarbon bodies |
05/25/2011 | EP2324094A2 Thermoplastic cellulosic fiber blends as lost circulation materials |
05/25/2011 | EP2324093A1 Method of carrying out a wellbore operation |
05/25/2011 | CN102076810A Method of secondary oil recovery |
05/25/2011 | CN102076809A Method for changing wettability of rock formations |
05/25/2011 | CN102076808A Suspension of concentrated particulate additives containing oil for fracturing and other fluids |
05/25/2011 | CN102071919A Oil-gas well fiber assisted water control fracturing method |
05/25/2011 | CN102071008A Method for preparing composite surfactant for in-situ leaching uranium mining |
05/25/2011 | CN102071007A Acid-resisting ceramsite fracturing propping agent and preparation method thereof |
05/25/2011 | CN102071006A Petroleum support agent prepared from oil shale waste and preparation method thereof |
05/25/2011 | CN102071005A High-temperature acidification corrosion inhibitor and preparation method thereof |
05/25/2011 | CN102071004A Oligomer acidic fracturing fluid |
05/25/2011 | CN102071003A High temperature resistant delay crosslinking polymer deep profile control agent |
05/25/2011 | CN102070909A 阳离子改性沥青及其制备方法 Cation-modified asphalt and its preparation method |
05/25/2011 | CN102070754A Novel anionic thermal tackifying water-soluble polymer |
05/25/2011 | CN102070749A Method for preparing wax-containing crude oil pour point depressant |
05/24/2011 | US7947745 Reducing the viscosity of an aqueous fluid |
05/24/2011 | US7947633 Polycationic viscoelastic compositions |
05/24/2011 | US7947632 Gelled hydrocarbons for oilfield processes, phosphate ester compounds useful in gellation of hydrocarbons and methods for production and use thereof |
05/24/2011 | US7947631 Gelled hydrocarbons for oilfield processes and methods of use |
05/24/2011 | US7947630 Compositions comprising at least two different polymeric microparticles and methods for recovering hydrocarbon fluids from a subterranean reservoir |
05/24/2011 | US7947629 Method of acidizing sandstone formations |
05/24/2011 | US7947628 Method of improving solids separation efficiency |
05/24/2011 | US7947627 Fluid loss control agent with triggerable removal mechanism |
05/24/2011 | US7946342 In situ generation of steam and alkaline surfactant for enhanced oil recovery using an exothermic water reactant (EWR) |
05/24/2011 | CA2648708C Rheology modifiers |
05/24/2011 | CA2560423C Fluid with asphaltene control |
05/24/2011 | CA2471155C Improved internal breaker |
05/19/2011 | WO2010141541A3 Fluorinated polymeric microparticles and uses thereof as fluid reducing additives |
05/19/2011 | US20110118382 Graft copolymers, method for the production thereof, and use thereof |
05/19/2011 | US20110118381 Inverse Emulsion Polymers as Lost Circulation Material |
05/19/2011 | US20110118155 Light-weight proppant from heat-treated pumice |
05/19/2011 | US20110118154 Method of making a synthetic alkylaryl sulfonate |
05/19/2011 | US20110118153 Method of continuous dissolution of polyacrylamide emulsions for enhanced oil recovery (eor) |
05/19/2011 | US20110118152 Novel method for the treatment of rock formations and novel polyampholytes |
05/19/2011 | US20110117067 Glucanases, Nucleic Acids Encoding Them and Methods for Making and Using Them |
05/19/2011 | US20110114322 Surfactant based viscoelastic fluids and methods of using the same |