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)
04/2010
04/01/2010WO2010034113A1 Injection of liquid into boreholes, with suckback pulsing
04/01/2010US20100081586 Wellbore treatment compositions
04/01/2010US20100081585 Controlling bioavailability of nutrient additions in subsurface formations
04/01/2010US20100081584 Compositions and Methods for Treatment of Well Bore Tar
04/01/2010CA2738052A1 Injection of liquid into boreholes, with suckback pulsing
04/01/2010CA2737870A1 Microemulsifiers and methods of making and using same
04/01/2010CA2735943A1 Controlling bioavailability of nutrient additions in subsurface formations
04/01/2010CA2735942A1 Method for enhanced recovery of oil from oil reservoirs
03/2010
03/31/2010EP2169027A1 Carbonate-coated cement additives
03/31/2010EP2167606A1 Dispersing sulfide scales in oil and gas production systems
03/31/2010EP2167605A1 Use of invert epoxy emulsions for wellbore stabilization
03/31/2010EP2167604A1 Use of direct epoxy emulsions for wellbore stabilization
03/31/2010CN101688112A Well treatment with complexed metal crosslinkers
03/31/2010CN101688111A Additive to reduce fluid loss for drilling fluids
03/31/2010CN101688110A Method and system for treating hydrocarbon formations
03/31/2010CN101688109A Method for controlling loss of drilling fluid
03/31/2010CN101684406A Anti-salt temperature-resistant high-efficient oil-displacing agent applicable to low pressure and low permeability and preparation method thereof
03/31/2010CN101684405A Method for preparing gemini long-chain alkyl benzene sulfonate oil displacement agents
03/31/2010CN101684404A Nano-additive for hydrocarbon well cementing operations
03/31/2010CN100596306C Biological plugging releasing oil displacement detergent and production method thereof
03/30/2010US7687441 Boronic acid networking agents and associated methods
03/30/2010US7687440 a cationic latex containing monomers such as styrene, butadiene, ethylene, acrylonitrile and a cationic monomer e.g.trimethylaminopropylmethacrylamide; improved magnesium salt-based sealant cement ( free of portland cement) that are more resistant to structural degradation
03/30/2010US7687439 Method of removing an invert emulsion filter cake after the drilling process using a single phase microemulsion
03/30/2010US7686084 Well bore servicing fluids comprising thermally activated viscosification compounds and methods of using the same
03/30/2010US7686081 Squeeze process for reactivation of well treatment fluids containing diatomaceous earth
03/30/2010CA2681646A1 A method of hydraulic fracturing
03/30/2010CA2681527A1 A method of gravel packing a well
03/30/2010CA2669788C In situ recovery from a hydrocarbon containing formation
03/30/2010CA2669779C In situ recovery from a hydrocarbon containing formation
03/30/2010CA2669559C In situ recovery from a hydrocarbon containing formation
03/30/2010CA2637696C Self-diverting resin systems for sand consolidation
03/30/2010CA2586402C Remote delivery of latex drag-reducing agent
03/30/2010CA2584272C Treatment fluids comprising vitrified shale and methods of using such fluids in subterranean formations
03/30/2010CA2536372C Fluid loss control and sealing agent for drilling depleted sand formations
03/30/2010CA2434234C Powdered viscoelastic surfactant composition
03/30/2010CA2433586C Thinners for invert emulsions
03/30/2010CA2378952C Latex additive for water-based drilling fluids
03/29/2010CA2680992A1 Tagged particles for downhole application
03/25/2010WO2010031993A1 Inhibitive water-based drilling fluid system and method for drilling sands and other water-sensitive formations
03/25/2010WO2010031963A1 Low-toxicity biodegradable corrosion inhibitors
03/25/2010WO2010015879A3 Invert silicate fluids for wellbore strengthening
03/25/2010WO2009158478A3 Method for changing the wettability of rock formations
03/25/2010US20100075874 Nano-additive for hydrocarbon well cementing operations
03/25/2010US20100075873 Low volatile phosphorous gelling agent
03/25/2010US20100075872 Methods and Compositions for Carrier Fluids Comprising Water-Absorbent Fibers
03/25/2010US20100075871 Stabilized aqueous polymer compositions and their use
03/25/2010US20100075870 Process using aloe for inhibiting scale
03/25/2010US20100074974 Metal-rich siliceous compositions and methods of producing same
03/25/2010US20100071957 Drill-In Fluids For Oil and Gas Reservoirs With High Carbonate Contents
03/25/2010US20100071901 Sintered proppant made with a raw material containing alkaline earth equivalent
03/25/2010US20100071893 Polymers and Nanoparticles Formulations With Shear-Thickening and Shear-Gelling Properties for Oilfield Applications
03/25/2010CA2737445A1 Inhibitive water-based drilling fluid system and method for drilling sands and other water-sensitive formations
03/25/2010CA2737377A1 Polymer gels as flow improvers in water injection systems
03/24/2010EP2166060A1 Stabilized aqueous polymer compositions and their use
03/24/2010EP2165992A1 Nano-additive for hydrocarbon well cementing operations
03/24/2010EP2165045A1 Hydrocarbons
03/24/2010EP2164922A2 Low-density composite
03/24/2010EP2164920A1 Oil formulation for preventing water penetration in underground formations
03/24/2010EP2164919A2 Use of a fluid composition with delayed cross-linking for holding a casing inside a drill hole, and method for reinforcing a drill hole
03/24/2010EP2164918A1 Oil-well cement fluid loss additive composition
03/24/2010EP2164814A1 Method of cementing aluminium objects
03/24/2010CN101681130A Methods for stripping material for wafer reclamation
03/24/2010CN101680278A System for drilling a wellbore
03/24/2010CN101679847A A method for preventing the formation of calcium carboxylate deposits in the dewatering process for crude oil/water streams
03/24/2010CN101679846A Procedures and compositions for reservoir protection
03/24/2010CN101679845A Oil-well cement fluid loss additive composition
03/24/2010CN101679844A Stable sodium thiosulfate based fluidized polymer suspensions of hydroxyethyl cellulose for oilfield services
03/24/2010CN101676360A Ultra-low permeability oil layer protection drilling fluid for horizontal well
03/24/2010CN100595257C Graft type fracturing fluid and preparation process thereof
03/24/2010CN100595256C Method for avoiding adsorption of oil displacement surfactant by strata rock
03/24/2010CN100595255C Method for preventing and treating hydrogen sulphide in thick oil
03/24/2010CN100595254C Method for preparing amphoteric ion polymer fluid loss additive
03/24/2010CN100595220C Method for manufacturing oil solubility thick oil thinner for thick oil pipe-line transportation
03/23/2010US7683011 for plugging permeable zones; subterranean formations
03/23/2010US7681672 Cryogenic pulsejet and method of use
03/23/2010US7681639 Stimulate a vast area of the subterranean coal seams with a large area contact with the cleat system of the coal formation; performed at low injection pressures while maintaining an ecological environment that promotes the in-situ microbial degradation of hydrocarbons to methane gas
03/23/2010CA2632442C Degradable material assisted diversion or isolation
03/23/2010CA2514592C Delayed phase changing agent for invert emulsion drilling fluid
03/23/2010CA2492895C Method for completing injection wells
03/23/2010CA2356332C Fluids and techniques for hydrocarbon well completion
03/22/2010CA2643866A1 Nano-additive for hydrocarbon well cementing operations
03/18/2010WO2010030275A1 Nitrogen-free invert emulsion wellbore fluid
03/18/2010WO2010030274A2 Invert emulsion wellbore fluids and method for reducing toxicity thereof
03/18/2010WO2010029524A2 Composition of specifically formulated phosphate salts, used for increasing density of completion fluids, and as a hi -temperature and easy to use completion fluids in the oil and gas industry
03/18/2010WO2010029318A1 Compositions and methods for hindering asphaltene deposition
03/18/2010WO2010029281A1 Settable compositions comprising cement kiln dust and swellable particles
03/18/2010WO2009150548A3 Low interfacial tension surfactants for petroleum applications
03/18/2010US20100069272 Enhanced crude oil recovery
03/18/2010US20100069271 Viscosity Breaker for Polyacrylamide Friction Reducers
03/18/2010US20100069270 Energy Recovery and Reuse for Gel Production
03/18/2010US20100069269 Use of betaines as foaming agents and foam drainage reducing agents
03/18/2010US20100069267 Non-damaging manganese tetroxide water-based drilling fluids
03/18/2010US20100069266 Process for the enzymatic removal of filter-cakes produced by water-based drilling and completion fluids
03/18/2010US20100065273 Methods and materials for zonal isolation
03/18/2010US20100065272 Low Permeability Cement Systems for Steam Injection Application
03/18/2010US20100065271 Low temperature coated particles for use as proppants or in gravel packs, methods for making and using the same
03/18/2010US20100065269 Method of stabilizing a well bore of a well penetrating a subterranean formation
03/18/2010CA2736730A1 Nitrogen-free invert emulsion wellbore fluid
03/18/2010CA2736728A1 Invert emulsion wellbore fluids and method for reducing toxicity thereof
03/18/2010CA2736154A1 Compositions and methods for hindering asphaltene deposition