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)
10/2009
10/21/2009CN101563525A Low bulk density proppant and methods for producing the same
10/21/2009CN101563436A A new coating composition for proppant and the method of making the same
10/21/2009CN101560886A Application process for quick solidifying material for mining
10/21/2009CN101560382A High-strength ceramsite propping agent and preparation method thereof
10/21/2009CN101560381A Ceramic proppant and preparation method thereof
10/21/2009CN101560380A Preparation method of depolymerized and dispersed viscosity reducer of heavy oil
10/21/2009CN101560379A Rapid solidification material for mining
10/21/2009CN101560378A Anti-sloughing diluted filtration reducing agent for drilling fluid and preparation method thereof
10/21/2009CN101560080A Coal mine freezing deep well C100 concrete and application thereof
10/21/2009CN100551993C Acid for corroding sandstone
10/21/2009CN100551992C Deep water low temperature cementing cement system
10/20/2009US7605112 adding a two-phase polymer system of a water soluble copolymer of vinyl pyrrolidone and dimethylaminopropyl methacrylamide and in-situ formed water-insoluble particles of such copolymer into a drilling well fluid under aqueous, high temperature, high salinity conditions
10/20/2009CA2635981C Methods and compositions for enhancing consolidation strength of proppant in subterranean fractures
10/20/2009CA2558053C Methods of preparing and using coated particulates
10/20/2009CA2533008C Corrosion inhibitor systems for low, moderate and high temperature fluids and methods for making and using same
10/20/2009CA2504844C Hydraulic fracturing method
10/20/2009CA2481543C Drilling fluid
10/15/2009WO2009125174A2 Clean fluid systems for partial monolayer fracturing
10/15/2009WO2009125164A1 Micro-crosslinked gels and associated methods
10/15/2009WO2009124922A1 Novel surfactants based on branched alcohols for tertiary crude oil recovery
10/15/2009WO2009124705A1 Carbonaceous extenders for flexible cement
10/15/2009WO2009089267A3 Viscoelastic surfactant based wellbore fluids and methods of use
10/15/2009WO2009089232A3 Particles in oil for viscoelastic surfactant gelled fluids
10/15/2009WO2009086180A3 Cladding for fatigue control
10/15/2009US20090258801 delayed release acid breakers; for treating subterranean formations, self-destructing, drilling completion
10/15/2009US20090258800 Methods for minimizing the amount of graphite particles used during drilling operations
10/15/2009US20090258799 Wellbore fluids possessing improved rheological and anti-sag properties
10/15/2009US20090258798 drilling a well bore in a subterranean formation, using a treatment fluid containing a base fluid, a viscosifier, a fluid loss control additive, and a degradable bridging agent such as, an aliphatic polyester ( crosslinked polylactic acid); reduced fluid loss
10/15/2009CA2792567A1 Clean fluid systems for partial monolayer fracturing
10/15/2009CA2720783A1 Clean fluid systems for partial monolayer fracturing
10/15/2009CA2720218A1 Carbonaceous extenders for flexible cement
10/15/2009CA2719153A1 Novel surfactants for tertiary mineral oil extraction based on branched alcohols
10/14/2009EP1309522B1 Set retarders for foamed cements
10/14/2009CN101555404A Environment-friendly low-damage solidfree well control fluid and applications thereof
10/14/2009CN101555105A Corrosion-proof and unshrinking well cement and preparation method thereof
10/14/2009CN100549363C Method for forming foam in foam shield driving method and foamed material for use in foam shield driving method
10/14/2009CN100549126C Pad acid liquid and pad acid sand fracturing method
10/14/2009CN100549125C High-strength sand-fixating agent
10/14/2009CN100549124C Acidifying and fracturing high-temperature corrosion inhibitor
10/14/2009CN100549123C Heatproof additive of tackifier water solution for oil field
10/14/2009CN100549069C Single-speed catalysed phenolic resin gel oil displacement agent
10/13/2009US7601675 Acid ammonium salts of an imide of polymaleic anhydride; hydraulic fracturing fluids used in enhanced oil recovery; subterranean formations
10/13/2009CA2460008C Gypsum wallboard composition, wallboard panel, and method of making same
10/13/2009CA2175015C Process for inhibiting or delaying formation, growth and/or aggregation of hydrates in the process effluents
10/08/2009WO2009123491A1 Additive to hydraulic fracturing fluid and method of using the same
10/08/2009WO2009122120A1 Methods for placement of sealant in subterranean intervals
10/08/2009WO2009121893A1 Organic corrosion inhibitor package for organic acids
10/08/2009WO2009091652A3 Methods for preventing or remediating xanthan deposition
10/08/2009WO2009085955A3 Conductivity enhancing structures for use with proppants in oil and gas wells
10/08/2009US20090253596 Fluid loss control agents for viscoelastic surfactant fluids
10/08/2009US20090253595 Surfactants for hydrocarbon recovery
10/08/2009US20090253594 Methods for placement of sealant in subterranean intervals
10/08/2009US20090253593 Solid product for preparing a drilling fluid
10/08/2009US20090250218 Oil-, hot water-and heat-resistant binders, process for preparing them and their use
10/08/2009CA2720382A1 Organic corrosion inhibitor package for organic acids
10/07/2009CN101553552A Degradable material assisted diversion
10/07/2009CN101550333A Novel complex surface active degradation agent used for releasing the blocking of Polymer/Surfactant flooding
10/07/2009CN101549266A Preparation of surfactant of double long-chain alkyl lycine and applications thereof
10/07/2009CN101549265A Preparation of surface active agent of double long-chain alkyl amine oxide and applications thereof
10/07/2009CN101549264A Surface active agent of naphthalene-substituted alpha-alkene sulfonate, preparation and applications thereof
10/06/2009US7598209 Wherein porosity and permeability of porous particulate is such that hydrocarbon-soluble well treatment agent is absorbed into interstitial spaces of particulate material and wherein composite is prepared by addition of well treatment agent in organic solvent to aluminosilicate or silicon carbide
10/06/2009US7598208 Filter cake degradation compositions and methods of use in subterranean operations
10/01/2009WO2009120875A2 Shale hydration inhibition agent(s) and method of use
10/01/2009WO2009120839A2 Deep eutectic solvents and applications
10/01/2009US20090247432 Deep eutectic solvents and applications
10/01/2009US20090247431 Biodegradable anionic acid corrosion inhibitor comprising sarcosines
10/01/2009US20090247430 Elongated particle breakers in low pH fracturing fluids
10/01/2009US20090247429 Shale hydration inhibition agent(s) and method of use
10/01/2009US20090247428 Wellbore Fluid
09/2009
09/30/2009EP0998707B1 Host microprocessor with apparatus for temporarily holding target processor state
09/30/2009CN101544885A Composite microorganism oil-displacing agent
09/30/2009CN101544884A Foam washing fluid and preparation method thereof
09/30/2009CN101543748A Method for preparing 4-vinyl benzyl surface-active macromonomer
09/30/2009CN101543747A Method for preparing allyl surface-active macromonomer
09/30/2009CN100545231C Weighting agent for oil field drilling fluids and method of producing the same
09/30/2009CN100545230C Method of facilitating separation of ternary combined flooding from extracted fluid or extracted water
09/29/2009US7595284 adding to an aqueous fluid gelled with at least one amidoamine viscoelastic surfactant in an amount effective to reduce the viscosity of the gelled aqueous fluid, includes includes at least one metal ion source
09/29/2009US7595283 Methods and compositions for reducing the production of water and stimulating hydrocarbon production from a subterranean formation
09/29/2009US7595282 Methods and compositions of controlling the rheology of a diutan-containing well treatment fluid at high temperatures
09/29/2009US7595281 mixing particles such as ceramic, sand with water to form a treatment fluid, introducing the fluid in a subterranean formation, introducing tetrafluoroethylene an active material into the formation to form a oil-wet coating of active material, facilitates movement of aqueous treatment fluid through well
09/29/2009US7595280 Delayed tackifying compositions and associated methods involving controlling particulate migration
09/29/2009CA2350614C Dispersible water soluble polymers
09/29/2009CA2252161C Glycol solution drilling system
09/24/2009WO2007089474A3 The use of phosphorus and nitrogen containing formulations in secondary oil recovery operations
09/24/2009US20090239771 Swelling Inhibitors for Clays and Shales
09/24/2009US20090236147 Lubricated Diamond Bearing Drill Bit
09/24/2009CA2716809A1 Enhancing emulsion stability
09/23/2009EP2102305A2 Enhanced crude oil recovery
09/23/2009EP2102304A2 Cement compositions comprising humic acid grafted fluid loss control additives and methods of using them
09/23/2009EP2102130A2 Compositions comprising sorel cements and oil based fluids and method of servicing a wellbore with the same
09/23/2009CN101541915A Cementing composition comprising within un-reacted cement
09/23/2009CN101541914A Thickener composition
09/23/2009CN101538462A Oil well cleanup additive
09/23/2009CN101538461A Pressure reducing and injection increasing agent used for flooding well and preparation method thereof
09/23/2009CN101538460A Water-based resin sand consolidation agent
09/23/2009CN101538459A Oil well pollution-free paraffin removing and viscosity reducing agent
09/23/2009CN101538458A Oil well dispersive wax-proofing agent and preparation method thereof
09/23/2009CN101538457A Input well composite blockage relieving agent and preparation method thereof
09/23/2009CN101538456A Nanometer drilling fluid
09/23/2009CN100543106C Preparation of composite cation blocking agent and use method of blocking and polymerizing