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)
10/2005
10/12/2005EP1583810A1 Self-generating foamed drilling fluids
10/12/2005CN1682010A Method and composition for reducing wear in a cutting head of a tunnel boring machine
10/12/2005CN1681902A Shale hydration inhibition agent and method of use
10/12/2005CN1222680C Method for recovering water soluble surfactants
10/11/2005US6953626 Functionalized by interpolymerization with another monomer, especially sodium 2-acrylamido-2methyl propanesulfonate manufacture of wallboard panels and sheets
10/11/2005US6953505 Stable and biodegradable foamed cement slurries, additives and methods
10/11/2005US6953091 Cementing compositions including a dispersant agent for cementing operation in oil wells
10/11/2005US6953090 Hydraulic cements mixture containing polyaspastic acid dispersant
10/11/2005US6953087 Thermal processing of a hydrocarbon containing formation to increase a permeability of the formation
10/06/2005WO2004067896A8 Extended particle size distribution ceramic fracturing proppant
10/06/2005US20050221994 Water based-drilling fluid of alkali metal silicate; a second amount of water insoluble particulate; water soluble activating agent to reduce the pH of the water-based drilling fluid system to form an effective circulation loss structure after addition to the water-based drilling fluid system
10/06/2005US20050217852 Method of sealing subterranean zones
10/06/2005US20050217851 Method for stimulation of liquid flow in a well
10/05/2005CN1678814A Viscosity reduction of viscoelastic surfactant based fluids
10/05/2005CN1221498C Anionic surfactants based on olefin sulfonic acid
10/04/2005US6951249 Foamed cement slurries, additives and methods
10/04/2005US6951248 Method of separating oil from geological formations
10/04/2005CA2039490C Oil based synthetic hydrocarbon drilling fluid
09/2005
09/29/2005WO2005090745A1 Multizone stimulation using wax balls
09/29/2005WO2005090744A1 Cement compositions comprising improved lost circulation materials and methods of use in subterranean formations
09/29/2005WO2005090259A2 Cement compositions containing degradable materials and methods of cementing in subterranean formations
09/29/2005WO2005059860A3 Zwitterionic polymers comprising betaine-type units and use of zwitterionic polymers in drilling fluids
09/29/2005US20050215439 Clay stabilization in sub-surface formations
09/29/2005US20050215438 Gravel pack comprising aqueous-based component, viscosifier (polyacrylic acid, polybutadiene block copolymers), encapsulated pH adjusting agent (sodium hydroxide), base-releasing material or acid-releasing material, and gravel particles, for treating subterranean formations
09/29/2005US20050215437 Paraffin inhibitors
09/29/2005US20050211435 Method of forming temporary blocking gel containing guar derivative
09/29/2005US20050211434 Process for in situ recovery of bitumen and heavy oil
09/29/2005CA2559921A1 Cement compositions containing degradable materials and methods of cementing in subterranean formations
09/28/2005EP1362160B1 Composition and method for inhibition of formation of gas hydrates
09/28/2005EP1204603B1 Method and composition for scavenging sulphide in drilling fluids
09/28/2005CN1220707C Aqueous gelled composition comprising a block copolymer including at least water soluble block and hydrophobic block
09/27/2005US6949491 Method and materials for hydraulic fracturing of wells
09/27/2005US6948563 In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen content
09/27/2005CA2302688C Composite proppant, composite filtration media and methods for making and using same
09/22/2005WO2005087891A1 Improved drilling fluids
09/22/2005WO2005042675A3 Methods for inhibiting hydrate blockage in oil and gas pipelines using simple quaternary ammonium and phosphonium compounds
09/22/2005US20050209108 Compositions and methods for treating a subterranean formation
09/22/2005US20050209107 Microemulsification of a solvent-surfactant blend of terpenes or limonene and polyoxyethylene sorbitan monopalmitate, ethoxylated castor oil and polyethylene glycol with a carrier fluid; injection into a well bore or placing in a container to capture the H2S; pollution control; well remediation
09/22/2005US20050205834 Composition and method for dissipating heat underground
09/22/2005US20050205259 treating a subterranean well by contacting a treatment fluid of water, a polysaccharide, a breaker of chlorite ions and hypochlorite ions, and a breaker moderator of magnesium and calcium ions into the formation
09/22/2005US20050205258 Cement compositions containing degradable materials and methods of cementing in subterranean formations
09/22/2005US20050204962 Low density foamed cement of a low density base, cementitious material, a zeolite foam stability agent, a mixing fluid of a foaming agent, a surfactant and air; enhanced compressive strength
09/22/2005US20050204961 Cement compositions comprising improved lost circulation materials and methods of use in subterranean formations
09/22/2005US20050204960 Methods and compositions for compensating for cement hydration volume reduction
09/22/2005DE10307728B4 Korrosions-und Gashydratinhibitoren mit verbesserter Wasserlöslichkeit und erhöhter biologischer Abbaubarkeit und derartige Verbindungen Corrosion and gas hydrate inhibitors with improved water solubility and increased biodegradability and such compounds
09/21/2005EP1362087B1 Use of cardanol aldehyde resins as asphalt dispersants in crude oil
09/21/2005EP1261652B1 Inorganic deposit inhibitors, in particular in oil wells, particularly in high pressure/high temperature conditions
09/21/2005CN1671749A Molecular weight reduction of polysaccharides by electron beams
09/20/2005US6946510 For use in drilling mud and fillers in paints; low zeta potential; papermaking
09/20/2005US6945329 providing fluid that comprises compacted particulate material and foam within pore spaces of particulate material, foam comprising pressurized gas and liquid solution of foam forming surfactant; pumping material into subterranean well bore
09/20/2005US6945327 Method for reducing permeability restriction near wellbore
09/18/2005CA2461524A1 Method of sealing subterranean zones
09/15/2005WO2005085595A1 Methods of preparing and using coated particulates
09/15/2005WO2005085594A1 Compositions and methods for controlling unconsolidated particulates
09/15/2005WO2005085593A1 Methods and compositions for reducing the viscosity of treatment fluids
09/15/2005WO2005085592A1 Resin compositions and methods of using such resin compositions in subterranean applications
09/15/2005WO2005085591A1 Subterranean acidizing treatment fluids and methods of using these fluids in subterranean formations
09/15/2005WO2005085587A2 Method for accelerating oil well construction and production processes and heating device therefor
09/15/2005WO2005085392A1 Soap control agent
09/15/2005WO2005085386A1 Metallic soaps of modified fatty acids and rosin acids and methods of making and using same
09/15/2005WO2005085361A2 Networked polymeric gels and use of such polymeric gels in hydrocarbon recovery
09/15/2005WO2005085342A1 Method to depolymerize as well as derivatize a polysaccharide in a hydrocarbon slurry
09/15/2005WO2004109053A3 Lost circulation material blend offering high fluid loss with minimum solids
09/15/2005US20050202978 Drilling or fructuring fluid containing an oleaginous fluid ( diesel oil, cude oil, paraffin oil, olefin etc.) a fluid ( water, fresh or brine, glycerol, polyetheramine) that is partially immiscible with the oleaginous fluid, and emulsion facilitating particles; treating the subterranean formation
09/15/2005US20050202977 Drilling or fructuring fluid containing an oleaginous fluid ( diesel oil, cude oil, paraffin oil, olefin etc.) a fluid ( water, fresh or brine, glycerol, polyetheramine) that is partially immiscible with the oleaginous fluid, and emulsion facilitating particles; treating the subterranean formation
09/15/2005US20050199428 Drilling fluids
09/15/2005US20050199396 reducing a well bore's permeability to aqueous fluids without affecting hydrocarbon permeability by treating with a hydrophobically modified water-soluble polymer whose backbone contains polar heteroatoms; modified dimethylaminoethyl methacrylate copolymer
09/15/2005US20050199395 Oil recovery method using alkali and alkylaryl sulfonate surfactants derived from broad distribution alpha-olefins
09/15/2005CA2558055A1 Compositions and methods for controlling unconsolidated particulates
09/14/2005EP1573169A1 Methods for controlling the rheological properties of viscoelastic surfactants based fluids
09/14/2005EP1573168A1 Biocidal control in recovery of oil by water injection
09/14/2005EP1573167A1 Cement compositions containing coarse barite, process for making same and methods of cementing in a subterranean formation
09/13/2005US6942037 Process for mitigation of wellbore contaminants
09/13/2005US6942031 decreases adsorption of the foaming agent within the hydrocarbon reservoir; injecting into the formation to sweep the hydrocarbons towards a production well for recovery
09/13/2005CA2227562C Non-toxic, inexpensive synthetic drilling fluid
09/13/2005CA2222269C Slag cement and process using hydrophobically modified galactomannans as filtrate reductants
09/09/2005WO2005083232A1 Compositions and methods for treating subterranean formations with liquefied petroleum gas
09/09/2005WO2005083032A1 Co2 miscible optimized hydrocarbon blends and methods of using co2 miscible optimized hydrocarbon blends
09/09/2005WO2005083031A1 Optimized hydrocarbon blends and methods of using optimized hydrocarbon blends
09/09/2005WO2005083030A1 Lubricant composition
09/09/2005WO2005083029A1 Orthoester compositions and methods for reducing the viscosity of viscosified treatment fluids
09/09/2005WO2005083026A2 Esterquat acidic subterranean treatment fluids and methods of using esterquats acidic subterranean treatment fluids
09/08/2005US20050197258 Resin compositions and methods of using such resin compositions in subterranean applications
09/08/2005US20050197257 Subterranean acidizing treatment fluids and methods of using these fluids in subterranean formations
09/08/2005US20050197256 Process for reducing the toxicity of hydrocarbons
09/08/2005US20050197255 Fatty acid soap with an alkali metal dispersed in a carrier fluid; lithium stearate in ethylene glycol
09/08/2005US20050194190 Method for accelerating oil well construction and production processes and heating device therefor
09/08/2005US20050194147 Increasing reaction efficiency of acetic acid
09/08/2005US20050194145 Networked polymeric gels and use of such polymeric gels in hydrocarbon recovery
09/08/2005US20050194142 Compositions and methods for controlling unconsolidated particulates
09/08/2005US20050194141 Soluble fibers for use in resin coated proppant
09/08/2005US20050194140 Methods useful for diverting aqueous fluids in subterranean operations
09/08/2005US20050194139 Methods and compositions for reducing the viscosity of treatment fluids
09/08/2005US20050194138 Method to depolymerize as well as derivatize a polysaccharide in a hydrocarbon slurry
09/08/2005US20050194137 Methods of using partitioned, coated particulates
09/08/2005US20050194136 Methods of preparing and using coated particulates
09/08/2005US20050194135 Methods using particulates coated with treatment chemical partitioning agents
09/08/2005US20050193923 System for treating petroleum and petrochemical slop oil and sludge wastes
09/07/2005EP1571078A1 Brine-based drilling fluids for ballast tank storage
09/07/2005EP1570155A1 Process for the cleaning of oil and gas wellbores