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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12/09/2010 | US20100311622 Polycationic Viscoelastic Compositions |
12/09/2010 | US20100311621 Methods and compositions for viscosifying heavy aqueous brines |
12/09/2010 | US20100311620 Winterizing agents for oil base polymer slurries and method for making and using same |
12/09/2010 | US20100311619 Emulsifier free oil-based wellbore fluid |
12/09/2010 | US20100311618 Fluid Treatment Systems, Compositions and Methods for Metal Ion Stabilization in Aqueous Solutions and/or Enhanced Fluid Performance |
12/09/2010 | US20100311617 Graft copolymer as a gas hydrate inhibitor |
12/09/2010 | US20100307831 Well fluid comprising a fluorinated liquid phase |
12/09/2010 | US20100307753 Methods of Treating Flowback Water |
12/09/2010 | US20100307752 Fluid Treatment Systems, Compositions and Methods for Metal Ion Stabilization in Aqueous Solutions and/or Enhanced Fluid Performance |
12/09/2010 | US20100307750 Squeeze composition for restoring isolation |
12/09/2010 | US20100307749 Tackifying agent pre-coated particulates |
12/09/2010 | CA2764318A1 Methods and compositions for viscosifying heavy aqueous brines |
12/08/2010 | EP2258803A2 Winterizing agents for oil base polymer slurries and method for making an using same |
12/08/2010 | CN201665653U Cement retarder production device for oil well |
12/08/2010 | CN1708632B Method for fracturing well cylinder penetrated underground stratum by delayed acid |
12/08/2010 | CN101910556A Conductivity enhancing structures for use with proppants in oil and gas wells |
12/08/2010 | CN101910356A Method for enhancing oil recovery with an improved oil recovery surfactant |
12/08/2010 | CN101910355A Viscoelastic surfactant based wellbore fluids and methods of use |
12/08/2010 | CN101906297A Method for preparing film-coated ceramisite proppant by using oil shale wastes |
12/08/2010 | CN101906296A Camellia saponin type oilfield foaming agent and preparation method and application thereof |
12/08/2010 | CN101906295A Water-soluble thick oil viscosity reducer |
12/08/2010 | CN101906294A Well wall protective agent of gas drilling well stratum under water yielding condition |
12/08/2010 | CN101906293A Aid for preventing and controlling natural gas hydrate |
12/08/2010 | CN101906292A High-strength temporary blocking agent and preparation method thereof |
12/08/2010 | CN101906291A High-temperature special oil well cement material and preparation method thereof |
12/08/2010 | CN101906290A While-drilling leak resisting and sealing drilling liquid for leakage formation |
12/08/2010 | CN101906289A Winterizing agents for oil base polymer slurries and method for making an using same |
12/08/2010 | CN101407716B Complex formulation material for improving oil well secondary and third stoping oil productivity |
12/07/2010 | US7846879 Esterquat acidic subterranean treatment fluids and methods of using esterquats acidic subterranean treatment fluids |
12/07/2010 | US7846878 Friction reducer performance in water containing multivalent ions |
12/07/2010 | US7846877 forming a treatment fluid for oil well, comprising an aqueous solution of water; a polysaccharide (xanthan, diutan) a chloride or bromide salt of a metal such as sodium, calcium, or zinc; and urea; introducing the treatment fluid into the well; controlled urea concentration to make solution filtrable |
12/07/2010 | US7846876 Cationic surfactant, anionic aromatic and/or bromide compounds and cationic polymer; rheology modifier for a water powder slurries; construction, concrete product and repairing materials; agglomeration resistance |
12/07/2010 | CA2621832C Methods of using settable compositions comprising cement kiln dust |
12/07/2010 | CA2607362C Methods to increase recovery of treatment fluid following stimulation of a subterranean formation |
12/07/2010 | CA2543426C Methods for inhibiting hydrate blockage in oil and gas pipelines using simple quaternary ammonium and phosphonium compounds |
12/05/2010 | CA2706209A1 Winterizing agents for oil base polymer slurries and method for making and using same |
12/05/2010 | CA2687910A1 Environmentally favorable aqueous solution for controlling bacteria in the water used for fracturing |
12/02/2010 | WO2010138207A1 Aqueous compositions for enhanced hydrocarbon fluid recovery and methods of their use |
12/02/2010 | WO2010136760A1 Cement compositions comprising latex and a nano-particle and associated methods |
12/02/2010 | WO2010115523A8 Compositions and methods for servicing subterranean wells |
12/02/2010 | WO2010088484A3 Defluidizing lost circulation pills |
12/02/2010 | US20100305010 High density phosphate brines and methods for making and using same |
12/02/2010 | US20100305009 Additives for water-based drilling fluids |
12/02/2010 | US20100305008 Organophilic Clay Additives And Oil Well Drilling Fluids With Less Temperature Dependent Rheological Properties |
12/02/2010 | US20100305007 Copolymer based on a sulfonic acid-containing compound |
12/02/2010 | US20100300928 Aqueous compositions for enhanced hydrocarbon fluid recovery and methods of their use |
12/02/2010 | US20100300759 Drilling fluid containing carbon nanotubes |
12/02/2010 | US20100300694 Method for producing an organic composition containing an n-nonyl ether |
12/02/2010 | US20100300693 Enzyme Surfactant Fluids Used in Non-Gel Hydraulic Fracturing of Oil Wells |
12/02/2010 | CA2762605A1 Cement compositions comprising latex and a nano-particle and associated methods |
12/01/2010 | EP2256401A1 Method for reducing the viscosity of viscous fluids |
12/01/2010 | EP2256175A2 Viscoelastic cationic carbohydrate ether compositions |
12/01/2010 | EP2254965A1 Polymeric microspheres as degradable fluid loss additives in oilfield applications |
12/01/2010 | CN101903491A Fracturing fluid compositions comprising solid epoxy particles and methods of use |
12/01/2010 | CN101903490A Method of preparing amidoamine alkoxylates and compositions thereof |
12/01/2010 | CN101903489A Thermally stable compositions and use thereof in drilling fluids |
12/01/2010 | CN101899293A Twin cationic surface active agent and viscoelastic fracturing fluid containing same |
12/01/2010 | CN101899292A Novel surfactant compound system for reducing tension of oil-water interface |
12/01/2010 | CN101899291A Annular chemical packer material for water plugging of horizontal well |
12/01/2010 | CN101899290A Foam discharging agent used for drainage gas recovery in high-temperature water-producing gas well |
12/01/2010 | CN101899162A Comb-shaped polymer and preparation method and application thereof |
12/01/2010 | CN101318112B Method for preparing anionic surface active agent for displacement of reservoir oil |
11/30/2010 | US7842652 Graft polymer with humic acid salt backbone and at least four grafted monomers consisting of 2-acrylamido-2-methylpropanesulfonic acid, acrylamide, acrylic acid, vinylphosphonic acid, diallyldimethylammonium chloride or salts; subterranean wells; desirable thickening times and compressive strengths |
11/30/2010 | US7842651 Silicate drilling fluid composition containing lubricating agents and uses thereof |
11/30/2010 | US7842650 foamer selected from sulfates, sulfonates, phosphates, carboxylates, sulfosuccinates, betaines, quaternary ammonium salts, amine oxides, amine ethoxylates, amide ethoxylates, acid ethoxylates, alkyl glucosides, EO-PO block copolymers, and long-chain fatty alcohol ethoxylates, and cosurfactant |
11/30/2010 | CA2618150C Rapid setting plugging compositions and methods for sealing subterranean formations |
11/30/2010 | CA2460954C Dry mix for water based drilling fluid |
11/30/2010 | CA2374417C Ligand-modified cellulose products |
11/28/2010 | CA2706149A1 High density phosphate brines and methods for making and using same |
11/25/2010 | WO2010135651A1 Altering the interface of hydrocarbon-coated surfaces |
11/25/2010 | WO2010135020A1 Process for treatment of produced water |
11/25/2010 | WO2010133818A1 Methods for treating a well using a treatment fluid containing a water-soluble polysaccharide, a water-soluble salt and urea |
11/25/2010 | WO2010133302A1 Lost circulation material for oilfield use |
11/25/2010 | WO2010133258A1 Novel formulations of water-soluble polymers and stabilizing additives for injecting a single compound useable in injection fluids for chemical enhanced oil recovery |
11/25/2010 | WO2010133175A1 Film coated particles for oil exploitation and oil exploitation method using the same |
11/25/2010 | WO2010132980A1 Bitumen anti-accretion additive |
11/25/2010 | US20100298177 Methods for treating a well using a treatment fluid containing a water-soluble polysaccharide, a water-soluble salt, and urea |
11/25/2010 | US20100298176 Lubricant Additives for Drilling Fluids |
11/25/2010 | US20100298175 Lost circulation material for oilfield use |
11/25/2010 | US20100298174 Chemical treatment of cuttings for re-injection into subterranean formations |
11/25/2010 | US20100298173 Bitumen anti-accretion additive |
11/25/2010 | US20100294499 Oil recovery employing alkylene carbonates |
11/25/2010 | US20100294498 Viscoelastic surfactant based wellbore fluids and methods of use |
11/25/2010 | US20100294497 Recovery of oil |
11/25/2010 | CA2761821A1 Novel formulations of water-soluble polymers and stabilizing additives for injecting a single compound useable in injection fluids for chemical enhanced oil recovery |
11/25/2010 | CA2760737A1 Lost circulation material for oilfield use |
11/25/2010 | CA2758325A1 Altering the interface of hydrocarbon-coated surfaces |
11/24/2010 | EP2253798A1 Methods for producing fluids from acidized and consolidated portions of subterranean formations |
11/24/2010 | EP2111434B1 Organic acid treating fluids with viscoelastic surfactants and internal breakers |
11/24/2010 | CN1863888B Surfactant composition |
11/24/2010 | CN101896573A High temperature aqueous-based zirconium fracturing fluid and use |
11/24/2010 | CN101892171A Complex microbial agent, preparation method thereof and application thereof in improving yield of crude oil |
11/24/2010 | CN101892042A High temperature acidizing corrosion inhibitor and preparation method thereof |
11/24/2010 | CN101892041A Hydrophobic association polymer-based ternary composite displacement system |
11/24/2010 | CN101892040A Wetting agent and application thereof in binary compound flooding tertiary oil recovery |
11/24/2010 | CN101892039A High-temperature and high-pressure corrosion inhibitor for inhibiting CO2 from corroding gas well and preparation method thereof |
11/24/2010 | CN101892038A High-efficiency and environmentally-friendly hydrate inhibitor |
11/24/2010 | CN101892037A Novel salt-resistant gel selective water shutoff agent |
11/24/2010 | CN101892036A Process for preparing drilling fluid for preventing polycrystalline diamond compact (PDC) bit balling |
11/24/2010 | CN101891656A Preparation method of anionic surface active agent for binary displacement oil |