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)
11/2007
11/01/2007US20070251693 Compositions and methods for delivering an organic solvent to a downhole portion of a wellbore or to a portion of a pipeline
11/01/2007US20070251146 Process for Stimulating Production of Methane From Petroleum in Subterranean Formations
11/01/2007CA2649412A1 Aqueous gels for well bore strengthening
11/01/2007CA2648848A1 Consolidated proppants having high mechanical strength and process for the preparation thereof
11/01/2007CA2648843A1 Oil-, hot water- and heat-resistant binders, a process for the preparation thereof and the use thereof
10/2007
10/31/2007CN101063034A Method for reinforcing oil well cement mortar by using microthin metal fibre
10/31/2007CN100346054C Methods for controlling the rheological properties of viscoelastic surfactants based fluids
10/31/2007CN100345932C Cement permeation promoter for oil and gas well
10/30/2007US7288505 Fluid system having controllable reversible viscosity
10/30/2007US7287588 Gelable liquid and method for selectively inhibiting the gelation of a gelable liquid
10/30/2007CA2255356C Gelling polymers for wellbore service fluids
10/25/2007WO2007121056A1 Use of glycols and polyols to stabilize viscoelastic surfactant gelled fluids
10/25/2007WO2007119211A1 Rheology enhancers
10/25/2007WO2007119210A2 Rheology modifiers
10/25/2007WO2007118328A1 Methods of preparing hydrocarbon, water and organophilic clay emulsions and compositions thereof
10/25/2007WO2007066254A3 Degradable material assisted diversion or isolation
10/25/2007US20070249505 Fracturing subterranean formations by pumping aqueous solutions of erucyl amidopropyl betaine and an acid or salt, preferably sulfonic acids or aromatic carboxylic acids, chlorides of potassium, ammonium, calcium or tetramethylammonium, or calcium bromide, and a corrosion inhibitor; enhanced oil recovery
10/25/2007US20070249504 Aqueous gels for well bore strengthening
10/25/2007US20070248531 Generation of Hydrogen from Hydrocarbon Bearing Materials
10/25/2007US20070246426 Water Flooding Method
10/25/2007US20070246222 Method for Recovering Oil From a Gas-Lifted Oil Well Penetrating a Subterranean Oil-Bearing Formation
10/25/2007US20070246214 Proppants made from filled polymers for use during oil and gas production and associated processes
10/25/2007DE102006018939A1 Konsolidierte Proppants mit hoher mechanischer Festigkeit und Verfahren zu deren Herstellung Consolidated proppants with high mechanical strength, and processes for their preparation
10/25/2007DE102006018938A1 Öl-, heißwasser- und temperaturresistente Bindemittel, Verfahren zu deren Herstellung und deren Verwendung Oil, hot water and temperature resistant binders, to processes for their preparation and their use
10/24/2007EP1846532A1 Energized fluids and methods of use thereof
10/24/2007EP1846531A1 Spotting fluid compositions and associated methods
10/24/2007CN101061198A Shale hydration inhibition agent and method of use
10/24/2007CN101058724A Viscous oil exploitation auxiliary agent
10/24/2007CN101058723A Re-use agent for polymer after driving and injecting method thereof
10/24/2007CN100344723C Comprehensive performace regulator for well cementing cement slurry and its prepn
10/24/2007CN100344570C Extended particle size distribution ceramic fracturing proppant
10/23/2007US7285519 Oil production additive formulations
10/23/2007US7285515 Compositions of oil-based biodegradable drilling fluids and process for drilling oil and gas wells
10/23/2007US7285166 Zeolite-containing cement composition
10/23/2007US7285165 Hydraulic cement, water, an acrylamide polymer, and a soluble iron compound to retard setting; subterranean wells
10/23/2007US7285164 Cement of a zeolite base blend, cementitious material and proportioned fluid loss control additives; for cementing in a subterranean zone
10/23/2007US7284610 Acid ammonium salts of an imide of polymaleic anhydride; hydraulic fracturing fluids used in enhanced oil recovery
10/23/2007CA2287843C Method and apparatus for lateral well drilling utilizing a rotating nozzle
10/18/2007WO2007118155A2 Drill cuttings transfer system and related methods
10/18/2007WO2007116196A1 Settable drilling fluids comprising cement kiln dust and methods of using them
10/18/2007WO2007097975A3 Sandstone having a modified wettability and a method for modifying the surface energy of sandstone
10/18/2007US20070244027 Compositions and methods for using polymeric suds enhancers
10/18/2007US20070244015 Use of Glycols and Polyols to Stabilize Viscoelastic Surfactant Gelled Fluids
10/18/2007US20070244014 Subterranean treatment fluids with improved fluid loss control
10/18/2007US20070244013 wax particles selected from natural and synthetic wax particles and a mixture, each of wax particles having speacific particle size, insoluble in hydrocarbons at temperature below melting point, as a primary seepage loss agent
10/18/2007CA2648752A1 Chemical amendments for the stimulation of biogenic gas generation in deposits of carbonaceous material
10/17/2007EP1843853A2 Method and system for harvesting weighting agent fines
10/17/2007CN101056959A Viscoelastic surfactant fluids having enhanced shear recovery, rheology and stability performance
10/17/2007CN101054514A Alkylaniline carboxylate or sulphonate surfactant
10/17/2007CN101054513A Deep water low temperature cementing cement system
10/17/2007CN101054512A Filtrate reducer for oil field well drilling fluid
10/17/2007CN101054511A High resistivity filtrate reducer and preparing method thereof
10/17/2007CN100343479C Method and compositions for inhibiting formation of hydrocarbon hydrates
10/17/2007CN100343358C Deep well low-density cement slurry
10/16/2007US7281579 Method for terminating or reducing water flow in a subterranean formation
10/16/2007CA2255354C Viscoelastic surfactant based gelling composition for wellbore service fluids
10/16/2007CA2192998C Free-flowing borehole servicing preparations containing linear alpha-olefins, more particularly corresponding drilling fluids
10/16/2007CA2182854C Fracturing fluid treatment design to optimize fluid rheology and proppant pack conductivity
10/11/2007WO2007113481A1 Degradable particulates as friction reducers for the flow of solid particulates and associated methods of use
10/11/2007WO2007112967A1 Process for the preparation of water-in-oil and oil-in-water nanoemulsions
10/11/2007WO2007112860A1 Use of aluminate cements for controlling the rheology of liquid phases
10/11/2007WO2007090757A3 Control of the thickening of silicate-containing aqueous systems
10/11/2007US20070238624 Surfactants; cationic methylpolyoxyethylene octadecanammonium chloride; anionic polynaphthalenesulfonate anionic; zwitterionic or amphoteric betaines; water; gravel packing; low concentration of VES fluid is cost effective; high temperature; high tolerance to organic/inorganic salts and clay stabilizers
10/11/2007US20070238623 Degradable particulates as friction reducers for the flow of solid particulates and associated methods of use
10/11/2007US20070238622 Self-Cleaning Well Control Fluid
10/11/2007US20070238621 Settable drilling fluids comprising cement kiln dust
10/11/2007US20070235188 Drilling fluid formulation for use in drilling of a wellbore in a hydrocarbon reservoir which results in a 90% or greater return permeability, which comprises manganese tetroxide, potassium chloride, water, and a member selected from clays, biopolymers, and mixtures without need for acidizing treatments
10/11/2007CA2646950A1 Use of aluminate cements for controlling the rheology of liquid phases
10/11/2007CA2646175A1 Process for the preparation of water-in-oil and oil-in-water nanoemulsions
10/10/2007EP1842840A1 Method for producing internal olefin, internal olefin mixture, and oil drilling fluid containing internal olefin mixture
10/10/2007EP1841833A1 Hydrolytically and hydrothermally stable consolidation or modification of the wetting behavior of geological formations
10/10/2007EP1680477A4 Phospholipid lubricating agents in aqueous based drilling fluids
10/10/2007CN101050357A Anti sinking lubricant of polymerized polyalcohol
10/10/2007CN100341976C Shale hydration inhibition agent and method of use
10/10/2007CN100341971C Water block removal with surfactant based hydrocarbonaceous liquid system
10/09/2007US7279446 Viscoelastic surfactant fluids having enhanced shear recovery, rheology and stability performance
10/09/2007US7279445 Membrane forming in-situ polymerization for water based drilling fluids
10/09/2007US7278485 Method of formulating and using a drilling mud with fragile gels
10/04/2007WO2007110591A1 Subterranean treatment fluids comprising substantially hydrated cement particulates
10/04/2007WO2007110562A1 Method of fracturing a coalbed gas reservoir
10/04/2007WO2007095367A3 Cross-linking composition and method of use
10/04/2007WO2007095018A3 Zirconium cross-linking composition and methods of use
10/04/2007WO2007093725A3 Aqueous dispersions comprising carbon nanotubes, method for preparing and using same
10/04/2007WO2007078379A3 Method of oil recovery using a foamy oil-external emulsion
10/04/2007WO2007047481A3 Amino acid, carbohydrate and acrylamide polymers useful as flocculants in agricultural and industrial settings
10/04/2007WO2006078723A8 Microemulsion containing oilfield chemicals useful for oil and gas field applications
10/04/2007DE102006014403A1 Use of aluminous cement component based on clay component for rheology control of liquid phases and for shear thinning and/or thixotropic thickening of liquid phase
10/04/2007CA2646698A1 Method of fracturing a coalbed gas reservoir
10/04/2007CA2645828A1 Composition and method for producing a pumpable hydrocarbon hydrate slurry at high water-cut
10/04/2007CA2642930A1 Subterranean treatment fluids comprising substantially hydrated cement particulates
10/03/2007EP1838804A1 Methods for controlling migration of particulates in a subterranean formation
10/03/2007EP1838803A2 Spotting fluid compositions and associated methods
10/03/2007EP1838762A1 Composition that can form a gel comprising a copolymer, and useful copolymers
10/03/2007EP1838757A1 Hydrolytically and hydrothermally stable consolidated proppants and method for the production thereof
10/03/2007EP1838522A2 Thermoset nanocomposite particles, processing for their production, and their use in oil and natural gas drilling applications
10/03/2007CN101045828A Phosphate film-coated powder and preparation method thereof
10/03/2007CN100340516C Low temperature early-strength coagulant agent
10/02/2007US7276466 Compositions and methods for reducing the viscosity of a fluid
10/02/2007CA2315089C A method for controlling the rheology of an aqueous fluid and gelling agent therefor
10/02/2007CA2250329C Gelling agent for hydrocarbon liquid and method of use