| 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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| 09/23/2009 | CN100543105C High-thick crude-oil adhesive-reducing agent and producing method therefor |
| 09/22/2009 | US7592295 For lubricating machines; fuel additives |
| 09/22/2009 | US7591320 Method of cementing expandable well tubing |
| 09/22/2009 | CA2553018C Fluid loss control additives for use in fracturing subterranean formations |
| 09/19/2009 | CA2658996A1 Leach recovery of oil from oil sands and like host materials |
| 09/17/2009 | WO2009114611A2 Viscosity reducer for water-based muds |
| 09/17/2009 | US20090233819 Method of Treating Sandstone Formations With Reduced Precipitation of Silica |
| 09/17/2009 | US20090233818 Hydrolytically and hydrothermally stable consolidation or change in the wetting behavior of geological formations |
| 09/17/2009 | US20090233817 Methods for Testing the Effect of Polymer Additives on Wax Deposition from Crude Oils and Reducing Wax Deposition from Crude Oil During Pipeline Transmission |
| 09/17/2009 | US20090229827 Including an aqueous base fluid, a synergistic biocide promoter, and a compatibility aid which prevents the friction reducer and biocide promoter from reacting to form a precipitate in a subterranean formation of an oil or gas well; drilling; well completion; stimulation operation; fracturing |
| 09/17/2009 | CA2716450A1 Aqueous-based insulating fluids and related methods |
| 09/16/2009 | EP2100002A1 Scale squeeze treatment methods and systems |
| 09/16/2009 | EP2099878A1 Methods of treating subterranean formations using hydrophobically modified polymers and compositions of the same |
| 09/16/2009 | CN101535444A Compositions and methods for improving the productivity of hydrocarbon producing wells |
| 09/16/2009 | CN101535443A Hydrocarbon recovery process |
| 09/16/2009 | CN101531893A Functional resin tectorial membrane proppant and preparation method thereof |
| 09/16/2009 | CN101531892A Ultra low temperature super guanidine gum fracturing fluid |
| 09/16/2009 | CN101531891A Multifunctional nano-viscosity reduction profile control agent |
| 09/16/2009 | CN101531890A Preparation method of profile control agent for oil field deep temporary blocking |
| 09/16/2009 | CN101531889A Oil-based stuck freeing fluid for well drilling |
| 09/16/2009 | CN101531888A Shale-control agent for drilling fluid and preparation method thereof |
| 09/16/2009 | CN101531887A High-temperature resistant polymer fluid loss agent for drilling fluid and preparation method thereof |
| 09/16/2009 | CN101531886A High-temperature resistant polymer viscosity reducer for drilling fluid and preparation method thereof |
| 09/16/2009 | CN100540844C Methods for controlling sand strip |
| 09/15/2009 | US7589050 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 |
| 09/15/2009 | US7589049 Well bore fluid mixture of oil additive, solid colloidal particles coated with dispersant, barite coated with sterayl methacrylate, butyl acrylate; suspension stability; drilling fluids |
| 09/15/2009 | US7589048 Methods and compositions for reducing the production of water and stimulating hydrocarbon production from a subterranean formation |
| 09/15/2009 | CA2572399C Cement compositions comprising high aspect ratio materials and methods of use in subterranean formations |
| 09/15/2009 | CA2553894C Compositions and methods for the delivery of chemical components in subterranean well bores |
| 09/15/2009 | CA2546164C Polymer protective coated polymeric components for oilfield applications |
| 09/15/2009 | CA2523991C Cement compositions with improved mechanical properties and methods of cementing in subterranean formations |
| 09/15/2009 | CA2487953C Methods of consolidating formations or forming chemical casing or both while drilling |
| 09/15/2009 | CA2472681C Additive for oil-based drilling fluids |
| 09/15/2009 | CA2460124C Friction reducing composition and method |
| 09/15/2009 | CA2459672C Organosilicon containing compositions for enhancing hydrocarbon production and method of using the same |
| 09/15/2009 | CA2430792C Sealing composition |
| 09/11/2009 | WO2009111697A1 Proppant materials and methods |
| 09/11/2009 | WO2009111324A1 Methods, systems, and compositions for the controlled crosslinking of well servicing fluids |
| 09/11/2009 | WO2009110959A1 Equivalent circulating density control in deep water drilling |
| 09/11/2009 | CA2717073A1 Methods, systems, and compositions for the controlled crosslinking of well servicing fluids |
| 09/11/2009 | CA2716023A1 Equivalent circulating density control in deep water drilling |
| 09/10/2009 | US20090227479 Zirconium-based cross-linking composition for use with high pH polymer solutions |
| 09/10/2009 | US20090227478 Providing a constant rheological profile of drilling fluid at 120-40 degrees F. by adding to the fluid an oil additive of the reaction product of a di- or trimer acid and a polyamine including polyethylenimine; monitoring rheology control for new oil sources in deep water; horizontal drilling |
| 09/10/2009 | US20090227477 Reclamation of Components of Wellbore Cuttings Material |
| 09/09/2009 | EP1812528A4 Viscoelastic surfactant fluids having enhanced shear recovery, rheology and stability performance |
| 09/09/2009 | CN101528889A Friction reduction fluids |
| 09/09/2009 | CN101528888A Functional polymer for enhanced oil recovery |
| 09/09/2009 | CN101525986A Method for removing sulfate radical from injected water in oil field for anti-scaling |
| 09/09/2009 | CN101525985A Process for plugging bored well by forming cork for plugging |
| 09/09/2009 | CN101525532A Selective water shutoff agent for oil wells |
| 09/09/2009 | CN100537702C Magma diluent |
| 09/09/2009 | CN100537701C Cryogenic self-generating gas composite agent |
| 09/09/2009 | CN100537700C High-temperature crosslinking agent |
| 09/09/2009 | CN100537699C Water soluble friction reducer used for thick oil well and preparation method thereof |
| 09/09/2009 | CN100537698C Crude oil composite type emulsification viscosity reducing agent and preparation method thereof |
| 09/08/2009 | US7585819 producing a guar gum powder, the method comprising the steps of: (a) flaking undehusked guar splits; and (b) grinding the flaked, undehusked guar splits to obtain guar gum powder. According to another aspect of the invention, a method is provided for treating a subterranean formation penetrated by a well |
| 09/08/2009 | US7585818 providing a drillilng or fracturing fluid containing an aquous base fluid and a enzymetically biosynthesized galactomannan from genetically engineered plant, placing the treatment fluid into a subterranean formation |
| 09/08/2009 | US7585817 nonionic fluorinated polymeric surfactant comprises a divalent unit containing fluorinated alkylsulfonamidealkylene ester of methacrylic or acrylic acid and a polyalkylene oxide segment; a solvent containing polyol or polyether and at least one solvent selected from ketone, ether, a monohydroxy alcohol |
| 09/08/2009 | US7585816 Method for inhibiting hydrate formation |
| 09/08/2009 | CA2593594C Ceramic proppant with low specific weight |
| 09/08/2009 | CA2549128C Zeolite-containing remedial compositions |
| 09/08/2009 | CA2523090C Methods, aqueous well treating fluids and friction reducers therefor |
| 09/08/2009 | CA2523086C Biodegradable cement retarder compositions and methods of cementing in a subterranean formation |
| 09/08/2009 | CA2423394C Proppant flowback control using elastomeric component |
| 09/08/2009 | CA2399557C Shale hydration inhibition agent and method of use |
| 09/08/2009 | CA2346341C Encapsulated chemicals for use in controlled time release applications and methods |
| 09/08/2009 | CA2340450C Shale-stabilizing additives |
| 09/08/2009 | CA2171004C Foamed drilling fluids, their process for preparation and the corresponding drilling method |
| 09/03/2009 | WO2009108650A1 Systems and methods for producing oil and/or gas |
| 09/03/2009 | WO2009108271A1 Environmentally-acceptable polymer suspensions for oil field applications |
| 09/03/2009 | WO2009107017A1 Treatment fluid with oxidizer breaker system and method |
| 09/03/2009 | WO2009106987A1 Crosslinking agents for producing gels for oilfield applications |
| 09/03/2009 | WO2009106796A1 Lost circulation material formulation and method of use |
| 09/03/2009 | WO2009106562A1 Binders for binding beds and loose formations and processes for producing them |
| 09/03/2009 | WO2009060408A3 Methods for manipulation of the flow of fluids in subterranean formations |
| 09/03/2009 | US20090221456 Microemulsion cleaning composition |
| 09/03/2009 | US20090221455 Methods and compositions for protecting steels in acidic solutions |
| 09/03/2009 | US20090221454 Methods of Using Reactive Surfactants in Subterranean Operations |
| 09/03/2009 | US20090221453 Treatment Fluid With Oxidizer Breaker System and Method |
| 09/03/2009 | US20090221452 Lost circulation material formulation and method of use |
| 09/03/2009 | DE102008011781A1 Niedrigviskos bis hochviskos eingestellte wasserbasierte Schmierstoffzusammensetzung Low viscosity to high viscosity water-based lubricant composition set |
| 09/03/2009 | CA2716156A1 Treatment fluid with oxidizer breaker system and method |
| 09/03/2009 | CA2712928A1 Systems and methods for producing oil and/or gas |
| 09/02/2009 | EP2096156A1 Method of transporting a chemical agent through a porous underground formation |
| 09/02/2009 | EP2094809A2 Dual-function additives for enhancing fluid loss control and stabilizing viscoelastic surfactant fluids |
| 09/02/2009 | EP1773964A4 Multicomponent viscoelastic surfactant fluid and method of using as a fracturing fluid |
| 09/02/2009 | EP1155219B1 Fracturing process and composition |
| 09/02/2009 | CN101522856A A composition and method for making a proppant |
| 09/02/2009 | CN101522855A Proppants with soluble composite coatings |
| 09/02/2009 | CN101522854A Method of cementing gas or oil pipeline and hydraulic cement slurry |
| 09/02/2009 | CN101522853A Pumpable geopolymer formulation for oilfield application |
| 09/02/2009 | CN101522852A Pumpable geopolymer formulation and application for carbon dioxide storage |
| 09/02/2009 | CN101522851A In situ fluid formation for cleaning oil-or synthetic-oil-based mud |
| 09/02/2009 | CN101519587A Oil-water well chemical resin type sand consolidating agent and sand prevention technology |
| 09/02/2009 | CN101519586A Rapid hardening and drilling expanding agent |
| 09/02/2009 | CN101519585A Shearing cross-linking sensitive plugging agent and preparation method thereof |
| 09/02/2009 | CN100535078C Method for preparing acid-resistant pressing crack supporting agent |
| 09/02/2009 | CN100535077C Hydrophobic association micro-crosslinking polymer oil displacement agent and preparation method thereof |
| 09/02/2009 | CN100535076C Drilling hole sealing material |
| 09/02/2009 | CN100535075C Strong-inhibition circulating micro-foam drilling fluid or completion fluid |