Patents
Sitemap › C09 - Dyes; Paints; Polishes; Natural resins; Adhesives; Compositions not otherwise provided for; Applications of materials not otherwise provided for › C09K - Materials for applications not otherwise provided for; Applications of materials not otherwise provided for › C09K 8 - Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
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)
11/2012
11/08/2012CA2834830A1 Resin-coated proppant and methods of use
11/08/2012CA2834826A1 A proppant
11/08/2012CA2833837A1 Thermally-activated, high-temperature cement suspending agent
11/08/2012CA2833833A1 Particulate materials coated with a relative permeability modifier and methods for treating subterranean formations using treatment fluids containing the same
11/08/2012CA2833522A1 Environmentally friendly low temperature breaker systems and related methods
11/08/2012CA2803584A1 Surfactant additives used to retain producibility while drilling
11/07/2012EP2520631A1 Method for predicting the amounts of biogenic gas generated by biological transformation of organic matter
11/07/2012EP2519708A1 Hydraulic fracturing system
11/07/2012EP2519603A1 A method of fluid slug consolidation within a fluid system in downhole applications
11/07/2012EP2519602A1 Delivering water-soluble polysaccharides for well treatments
11/07/2012EP2519601A1 Methods for increasing methanogenesis in subsurface reservoirs
11/07/2012EP2519600A1 Compressible packer fluids and methods of making and using same
11/07/2012CN102770505A Enhanced oil recovery process using water soluble polymers having improved shear resistance
11/07/2012CN102770504A Water-soluble polymers for oil recovery
11/07/2012CN102766450A Nitrogen foam fracturing fluid for coal bed methane and preparation method of nitrogen foam fracturing fluid
11/07/2012CN102766449A Low-temperature crosslinking promoter for polyacrylamide and water-soluble phenolic resin
11/07/2012CN102766448A Foam flooding agent
11/07/2012CN102766447A Oil well cement efficient spacer fluid and using method thereof
11/07/2012CN102766446A High-temperature-resistant high-density formate polysulfonate drilling fluid and preparation method thereof
11/07/2012CN102766445A Wall-protecting drilling fluid for pores formed by pile foundation rotary drilling rig on thick sand layer
11/07/2012CN102766444A Drilling fluid inhibitor and preparation method thereof
11/07/2012CN102766443A Hardener for mud cakes of drilling fluid
11/07/2012CN102766305A High-strength heat resisting polystyrene composite crosslinking microsphere material and preparation method thereof
11/07/2012CN102766240A Fluid loss additive for drilling fluid and preparation method thereof
11/07/2012CN102120929B Preparation method of gas-well water controlling agent
11/07/2012CN102093874B Anion type nano compound clean fracturing fluid and preparation method thereof
11/07/2012CN102040995B Preparation method for high-temperature delay type organic zirconium cross-linking agent
11/07/2012CN102010704B Viscoelastic surfactant cleaning fracturing fluid gel breaker and field construction method
11/07/2012CN101851494B Oil-soluble viscosity depressant
11/07/2012CN101805600B Gelled fracturing fluid being applicable to coalbed methane reservoir
11/07/2012CN101781552B Bio-enzyme gel breaker and technique for water-based guargum fracturing gel breaking with the same
11/06/2012CA2681606C Well treatment compositions and methods utilizing nano-particles
11/06/2012CA2663660C Oxidative internal breaker for viscoelastic surfactant fluids
11/01/2012WO2012149553A2 Fluids comprising chitosan crosslinked by titanate
11/01/2012WO2012148819A1 Composites for controlled release of well treatment agents
11/01/2012WO2012148736A1 Metering process and device for performing the process
11/01/2012WO2012146895A1 Treatment fluids containing biodegradable chelating agents and methods for use thereof
11/01/2012WO2012146607A1 Methods and compositions for enhanced oil recovery
11/01/2012WO2012145949A1 Microorganism for displacing oil and composite oil-displacement agent comprising such microorganism
11/01/2012WO2012125219A3 Methods for treating siliciclastic hydrocarbon-bearing formations with fluorinated amine oxides
11/01/2012WO2012063199A3 Formate salts for increased stability of polyacrylamide fluids
11/01/2012US20120277130 Hydraulic Fracturing Proppant Containing Inorganic Fibers
11/01/2012US20120277129 Multicomponent viscoelastic surfactant fluid and method of using as a fracturing fluid
11/01/2012US20120277128 Fluids comprising chitosan crosslinked by titanate
11/01/2012US20120277127 Methods, strains, and compositions useful for microbially enhanced oil recovery: arcobacter clade 1
11/01/2012US20120277126 Methods, strains, and compositions useful for microbially enhanced oil recovery: pseudomonas stutzeri
11/01/2012US20120277125 Masterbatch for manufacturing a drilling fluid
11/01/2012US20120277124 High Performance Drilling Fluids with Submicron-Size Particles as the Weighting Agent
11/01/2012US20120276078 Glycosidase enzymes
11/01/2012US20120273207 Chitosan as biocide in oilfield fluids
11/01/2012US20120273206 Dry polymer mixing process for forming gelled fluids
11/01/2012US20120273197 Composites for controlled release of well treatment agents
11/01/2012CA2834550A1 Fluids comprising chitosan crosslinked by titanate
11/01/2012CA2831800A1 Composites for controlled release of well treatment agents
11/01/2012CA2831490A1 Treatment fluids containing biodegradable chelating agents and methods for use thereof
11/01/2012CA2830417A1 Metering process and device for performing the process
10/2012
10/31/2012EP2518034A1 Self-adaptive cements
10/31/2012EP2516581A1 Method for water tightening of water bearing zones and stabilization of sand in underground constructions
10/31/2012EP2516580A2 Use of reactive solids and fibers in wellbore clean-out and stimulation applications
10/31/2012CN102762689A Method and composition for enhanced hydrocarbons recovery
10/31/2012CN102762688A Process of using hard brine at high alkalinity for enhanced oil recovery (eor) applications
10/31/2012CN102762687A Method and composition for enhanced oil recovery
10/31/2012CN102757780A Oil fracturing propping agent and production method thereof
10/31/2012CN102757779A Preparation method of acidic crosslinking agent applied to carboxymethyl guar gum
10/31/2012CN102757778A Fracturing fluid capable of resisting high salinity water quality
10/31/2012CN102757777A Inhibition water locking type high temperature resistant fracturing fluid for tight gas reservoir fracturing
10/31/2012CN102757776A Low-temperature rubber crushing accelerator for well fracturing
10/31/2012CN102757775A Oil displacement composition containing betaine type surfactant and application thereof
10/31/2012CN102757774A Latex gas channeling inhibitor for cementing cement and preparation method of latex gas channeling inhibitor
10/31/2012CN102757773A High-inhibition non-solid phase alkaline completion fluid
10/31/2012CN102757772A Super-high temperature resisting and salt resisting filtrate loss reducer for drilling fluid and preparation method thereof
10/31/2012CN102757519A Preparation method of polyacrylamide
10/31/2012CN102757199A Polymer and bentonite drilling mud
10/31/2012CN102337108B Efficient anti-pollution isolation liquid for well cementation and preparation method thereof
10/31/2012CN102329601B Low-temperature early-strength corrosion-resistant cement paste system for deepwater cementing
10/31/2012CN102199251B Acrylamide/2-acrylamido-2-methylpropane sulfonic acid sodium/cyclodextrin modified acrylamide (AM/AMPS-Na/MAM) copolymer and preparation method thereof
10/31/2012CN101942296B Fiber composite sand control material and preparation method thereof
10/31/2012CN101824979B Emulsion process profile control and water shutoff method of thickened oil steam huff-puff wells
10/31/2012CN101633836B Quick-setting early strength cement slurry for ground pregrouting reinforcement
10/30/2012US8298998 Stuck drill pipe additive and method
10/30/2012US8298997 Core annular flow of heavy crude oils in transportation pipelines and production wellbores
10/30/2012US8298996 Low toxicity shale hydration inhibition agent and method of use
10/30/2012CA2688745C Thermothickener polymer and surfactant composition and methods of employing the composition
10/30/2012CA2675806C Propped fracture with high effective surface area
10/30/2012CA2671498C Water reductions in subterranean formations
10/30/2012CA2644169C Compositions and methods for treating subterranean formations with liquefied petroleum gas
10/27/2012CA2738364A1 Method of enhancing the effectiveness of a cyclic solvent injection process to recover hydrocarbons
10/26/2012WO2012145274A2 Large hydrophobe surfactants
10/26/2012WO2012143687A1 Weighting agent for use in subterranean wells
10/26/2012WO2012143433A1 Method and composition for enhanced hydrocarbon recovery
10/26/2012WO2012143306A1 Alkylaryl sulphonate compositions and use thereof for the enhanced recovery of hydrocarbons
10/26/2012WO2012082402A3 Heat generating system for enhancing oil recovery
10/26/2012CA2833836A1 Weighting agent for use in subterranean wells
10/26/2012CA2833291A1 Method and composition for enhanced hydrocarbon recovery
10/25/2012US20120270760 Boron Crosslinkers For Fracturing Fluids With Appreciably Lower Polymer Loading
10/25/2012US20120270759 Methods and compositions for enhancing guar hydration rates and performing guar derivatization reactions
10/25/2012US20120270758 Degradable Surfactants, Including Degradable Gemini Surfactants, and Associated Methods
10/25/2012US20120267113 Treatment of oil
10/25/2012US20120267112 Well service compositions and methods
10/25/2012US20120267107 Foamed Spacer Fluids Containing Cement Kiln Dust and Methods of Use
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