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)
11/2009
11/05/2009WO2008128628A8 Additives for oil recovery from reservoirs
11/05/2009US20090275490 Disproportionate Permeability Reduction Using A Viscoelastic Surfactant
11/05/2009US20090275489 Method and chemical agent for reduction of water production from oil and gas containing wells
11/05/2009US20090275488 Methods for increase gas production and load recovery
11/05/2009US20090275487 Additive for increasing the density of an oil-based fluid and fluid comprising such additive
11/05/2009US20090272534 Methods of using viscoeleastic surfactant gelled fluids to pre-saturate underground formations
11/05/2009CA2721703A1 Swellable compositions for borehole applications
11/04/2009EP2113547A1 Viscosified fluids for remediating subterranean damage background
11/04/2009EP2113546A1 Swellable compositions for borehole applications
11/04/2009EP2113016A1 Crosslinked acids comprising derivatized xanthan and subterranean acidizing applications
11/04/2009EP2113015A2 Breaker and displacement fluid and method of use
11/04/2009EP1633952B1 Cement compositions with improved fluid loss characteristics and methods of cementing in subterranean formations
11/04/2009EP1565643B1 Methods and cement compositions for cementing in subterranean zones
11/04/2009EP1534926B1 Viscosity reduction of viscoelastic surfactant based fluids
11/03/2009US7612023 Method and composition for forming protective precipitate on cement surfaces prior to formation acidizing treatment
11/03/2009US7612022 Treating a hydrocarbon-containing formation with a mixture of aliphatic anionic surfactant and a branched aliphatic nonionic additive to reduce interfacial surface tension between fluids (e.g., water, hydrocarbons) to allow interaction with different hydrocarbons to form an emulsion
11/03/2009US7612021 Methods and compositions utilizing lost-circulation materials comprising composite particulates
11/03/2009US7610959 Fluid movement control when used in completing a wellbore penetrating an oil well formation by inserting an elastomer such as butadiene-styrene copolymer impregnated with a water-swellable material, clay, acrylates and mixtures;fluid migration controlmethods for drilling for oil
11/03/2009CA2515060C Stabilized colloidal and colloidal-like systems
11/03/2009CA2514208C Propped fracture with high effective surface area
11/03/2009CA2437285C Viscoelastic wellbore treatment fluids comprising oligomeric surfactants
10/2009
10/29/2009WO2009131982A1 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir
10/29/2009WO2009131967A1 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir
10/29/2009WO2009131937A2 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir
10/29/2009WO2009131917A2 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir
10/29/2009WO2009131901A1 Compositions and methods for recovering hydrocarbon fluids from a subterranean reservoir
10/29/2009WO2009131900A1 Block copolymers for recovering hydrocarbon fluids from a subterranean reservoir
10/29/2009WO2009131881A2 Compositions and methods for diverting injected fluids to achieve improved hydrocarbon fluid recovery
10/29/2009WO2009130483A1 Forecasting asphaltic precipitation
10/29/2009WO2009130482A1 Solvent assisted oil recovery
10/29/2009WO2009130439A1 Drilling fluids containing biodegradable organophilic clay
10/29/2009WO2009130170A1 Viscoelastic composition with improved stability
10/29/2009WO2009130141A1 Use of tenside mixtures for tertiary oil production
10/29/2009WO2009094662A3 Method for treating oil and gas wells
10/29/2009WO2009089391A3 Graphene compositons and drilling fluids derived therefrom
10/29/2009US20090270282 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
10/29/2009US20090270281 Use of surfactant mixtures for tertiary mineral oil extraction
10/29/2009US20090270280 Water-in-Oil Emulsions With Hydrogel Droplets Background
10/29/2009US20090266545 Method and Device for Producing a Gaseous Medium Comprising Steam
10/29/2009CA2721973A1 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir
10/29/2009CA2721970A1 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir
10/29/2009CA2721960A1 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir
10/29/2009CA2721957A1 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir
10/29/2009CA2721953A1 Compositions and methods for recovering hydrocarbon fluids from a subterranean reservoir
10/29/2009CA2721949A1 Block copolymers for recovering hydrocarbon fluids from a subterranean reservoir
10/29/2009CA2721948A1 Compositions and methods for diverting injected fluids to achieve improved hydrocarbon fluid recovery
10/29/2009CA2721843A1 Viscoelastic composition with improved stability
10/29/2009CA2721669A1 Forecasting asphaltic precipitation
10/29/2009CA2721573A1 Solvent assisted oil recovery
10/28/2009EP2111434A2 Organic acid treating fluids with viscoelastic surfactants and internal breakers
10/28/2009EP2111433A2 Oxidized and maleated compounds and compositions
10/28/2009EP2111432A2 Methods of using stable hydrocarbon foams
10/28/2009EP2111407A1 Process for stabilized zirconium triethanolamine complex and uses in oil field applications
10/28/2009EP2111381A2 Ph-regulated thickener system
10/28/2009EP1979508B1 Corrosion inhibitors having increased biodegradability and reduced toxicity
10/28/2009CN101568616A Recovery of oil
10/28/2009CN101565610A Preparation method of thick oil hydrothermal catalytic cracking viscosity depressant
10/28/2009CN101565609A Superfine powder high-temperature sand consolidation agent
10/28/2009CN101565608A Preparation method of novel acidified corrosion inhibitor and use thereof
10/28/2009CN100554644C Method of boring hard rock by means of tunnel boring machine containing hardened steel disc protruding from cutting head
10/27/2009US7608567 Degradable surfactants and methods for use
10/27/2009US7608566 Degradable particulates as friction reducers for the flow of solid particulates and associated methods of use
10/27/2009US7607484 For subterranean formations
10/27/2009US7607483 well bores; subterranean formations
10/27/2009CA2574003C Foamed viscoelastic surfactants
10/27/2009CA2559675C Orthoester-based surfactants and associated methods
10/27/2009CA2552575C Settable fluids comprising particle-size distribution-adjusting agents and methods of use
10/27/2009CA2549515C Zeolite-containing settable spotting fluids
10/27/2009CA2532750C Self-diverting foamed system
10/27/2009CA2528696C Method and composition for treating a subterranean formation with splittable foams
10/27/2009CA2527736C Lightweight cement compositions and methods of cementing in subterranean formations
10/27/2009CA2518837C Cementitious compositions containing interground cement clinker and zeolite
10/27/2009CA2372857C Methods and compositions for treating subterranean formations with gelled hydrocarbon fluids
10/27/2009CA2347348C Methods of cementing subterranean zones
10/25/2009CA2664713A1 Method for modeling recovery assisted by polymer injection
10/22/2009WO2009129025A1 Powder coated proppant and method of making the same
10/22/2009WO2009127589A1 Drilling and well treatment fluids
10/22/2009WO2009100468A3 Surfactants, use of surfactants for crude oil recovery, removal of oil residues and separation of oil sands and oil shales
10/22/2009WO2009094425A3 Emulsifier free oil-based wellbore fluid
10/22/2009WO2009079235A3 Fracturing fluid compositions comprising solid epoxy particles and methods of use
10/22/2009WO2009071962A3 Cementitious compositions for oilwell cementing applications
10/22/2009WO2008118239A9 Method for treating a hydrocarbon formation
10/22/2009US20090264557 Cement Compositions Comprising Humic Acid Grafted Fluid Loss Control Additives
10/22/2009US20090264325 Compositions and methods for recovering hydrocarbon fluids from a subterranean reservoir
10/22/2009US20090264324 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir
10/22/2009US20090264323 Consolidated proppants having high mechanical strength and process for the preparation thereof
10/22/2009US20090264322 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir
10/22/2009US20090264321 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir
10/22/2009US20090263887 Identification, characterization, and application of pseudomonas stutzeri (lh4:15), useful in microbially enhanced oil release
10/22/2009US20090260885 Methods Of Preparing Hydrocarbon, Water And Organophilic Clay Emulsions And Compositions Thereof
10/22/2009US20090260827 Enzyme enhanced oil recovery (EEOR) for water alternating gas (WAG) systems
10/22/2009US20090260820 Block copolymers for recovering hydrocarbon fluids from a subterranean reservoir
10/22/2009US20090260819 Compositions and methods for diverting injected fluids to achieve improved hydrocarbon fluid recovery
10/22/2009US20090260818 Microwave-Based Downhole Activation Method For Wellbore Consolidation Applications
10/22/2009US20090260545 Well Cement Formulations for Increased Drilling Hardness
10/21/2009EP2109650A1 Compositions for increasing gas production from a subterranean formation
10/21/2009EP2109649A1 Method and composition for enhanced hydrocarbons recovery
10/21/2009EP2109631A1 Fluorinated surfactants and methods of using the same
10/21/2009EP1766185B1 System stabilizers and performance enhancers for aqueous fluids gelled with viscoelastic surfactants
10/21/2009EP0941395B1 Controlled gel breaker