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)
10/2012
10/10/2012CN102720466A Special alloy wax-proofing tool
10/10/2012CN102719234A Thickened oil viscosity depressant as well as preparation method and application thereof
10/10/2012CN102719233A Annular protecting liquid for oil and gas well
10/10/2012CN102719232A Bridging particle for shallow casing blind hole
10/10/2012CN102719231A Basic profile modification agent used for petroleum exploitation
10/10/2012CN102718526A Method for preparing composite fracturing proppant by using gold tailings and glass fiber
10/10/2012CN102718525A Method for preparing fracturing propping agent using slag
10/10/2012CN102718524A Method for preparing composite fracturing proppant by using gold tailings and silicon carbide fiber
10/10/2012CN102718523A Method for preparing fracturing proppant by using pulverized fuel ash
10/10/2012CN102718522A Method for preparing fracturing propping agent by using rejects
10/10/2012CN102718521A Method of using coal gangue to prepare fracturing propping agent
10/10/2012CN102718520A Method for preparing fracturing propping agent using gold tailings
10/10/2012CN102718519A Method for preparing fracturing propping agent using pitchers
10/10/2012CN102718518A Method for preparing composite fracturing proppant by using gold tailings and boron carbide fiber
10/10/2012CN102718493A Method for preparing composite type fracturing propping agent by utilizing gold ore tailings and zirconium oxide
10/10/2012CN102718469A Hydraulic fracturing extra light ceramic particles and preparation method thereof
10/10/2012CN102241804B Preparation method of coupling phenolic resin used for drilling fluid
10/10/2012CN102219897B Disulfonate gemini surfactant with high temperature and salt resistance and preparation method thereof
10/10/2012CN102180986B Alkenyl succinic anhydride-modified guar gum fracturing liquid thickening agent and preparation method thereof
10/10/2012CN101955565B Method for preparing high temperature-resistant and salt resistant fluid loss agent for drilling fluid
10/10/2012CN101717622B Lubricating inhibitor for drilling fluid and preparation method thereof and drilling fluid containing lubricating inhibitor for drilling fluid
10/10/2012CN101699026B Hyposmosis oil pool microbial oil recovery method
10/09/2012US8281859 Methods and compositions comprising cement kiln dust having an altered particle size
10/09/2012CA2629177C Foamed fluid additive for underbalance drilling
10/09/2012CA2618128C Methods and compositions for determination of fracture geometry in subterranean formations
10/09/2012CA2563549C Thermoset nanocomposite particles, processing for their production, and their use in oil and natural gas drilling applications
10/04/2012WO2012135756A2 Biomass-based oil field chemicals
10/04/2012WO2012135476A1 Methods and compositions to delay viscosification of treatment fluids
10/04/2012WO2012135106A2 Ceramic particle and process for making the same
10/04/2012WO2012134953A1 Completion fluid with friction reduction
10/04/2012WO2012134876A1 Dual injection points in sagd
10/04/2012WO2012134862A2 Method for isolating and completing multi-zone gravel packs
10/04/2012WO2012134667A1 Sintered particles and methods for producing sintered particles from a slurry of an alumina-containing raw material
10/04/2012WO2012134506A1 Delayed release well treatment composites for use in well treatment fluids
10/04/2012WO2012134265A1 A system for the solidification of hydrocarbon wax
10/04/2012WO2012131417A1 High-pressure/high-temperature solids-free fluid system for drilling, completing and repairing petroleum and gas wells
10/04/2012WO2012130678A1 Compositions and methods for cleaning a wellbore prior to cementing
10/04/2012WO2012109023A3 Method of increasing ph of high-density brines
10/04/2012WO2011110502A9 Method for producing crude oil using surfactants based on c16c18-containing alkyl-propoxy surfactants
10/04/2012US20120252708 Coated particles of a glutamic acid n,n-diacetate chelating agent
10/04/2012US20120252707 Methods and compositions to delay viscosification of treatment fluids
10/04/2012US20120252706 Well treatment composites for use in well treatment fluids
10/04/2012US20120252705 Treatment Fluids Comprising Vitrified Shale and Methods of Using Such Fluids in Subterranean Formations
10/04/2012US20120247774 Slow release breaker treatment fluids and their associated methods of use
10/04/2012US20120247768 Crosslinking agents for producing gels and polymer beads for oilfield applications
10/04/2012US20120247765 High Permeability Frac Proppant
10/04/2012US20120247763 Biomass-based oil field chemicals
10/04/2012CA2831939A1 Biomass-based oil field chemicals
10/04/2012CA2831913A1 High-pressure/high temperature solids-free fluid system for drilling, completing and repairing oil and gas wells
10/04/2012CA2830795A1 Ceramic particle and process for making the same
10/04/2012CA2830617A1 Completion fluid with friction reduction
10/04/2012CA2830376A1 Delayed release well treatment composites for use in well treatment fluids
10/04/2012CA2827772A1 Dual injection points in sagd
10/03/2012EP2504408A2 Polyester amide foamers
10/03/2012EP2504407A1 Compositions and methods for inhibiting naphthenate solids formation from liquid hydrocarbons
10/03/2012CN102713139A Hydrocarbons
10/03/2012CN102713131A Equipment for quick dispersion of polyacrylamide powder for fracturing operations
10/03/2012CN102712840A Method for tertiary oil production using surfactant mixtures
10/03/2012CN102711462A Process for the co-encapsulation of biocidally active compounds in clay minerals functionalized by nitrogen compounds
10/03/2012CN102704906A Methods of stabilizing unconsolidated subterranean formations
10/03/2012CN102703052A Foam system suitable for profile control and oil displacement of oil field and oil displacement method
10/03/2012CN102703051A Steam flooding additive
10/03/2012CN102703050A Tetra-polysulfonate type surfactant and preparation method thereof
10/03/2012CN102703049A Binary compound oil-flooding composition and application thereof in tertiary oil recovery
10/03/2012CN102703048A Efficient salt-tolerant high-temperature-resistant oil displacement agent for heavy oil reservoirs and preparation method thereof
10/03/2012CN102703047A Oil field scale inhibitor as well as preparation method and application thereof
10/03/2012CN102703046A Condensed sand carrying agent used for under-pressure oil gas well
10/03/2012CN102703045A Multi-slug composite pressure decreasing and injection increasing agent for ultra-low permeability oil field
10/03/2012CN102703044A Novel cement slurry plugging fluid
10/03/2012CN102703043A Novel plugging material
10/03/2012CN102703042A Alkali-proof polymer-type profile control agent and preparation method thereof
10/03/2012CN102703041A Production process for high-temperature salt-resistant viscosity reducing filtrate reducer for drilling fluid
10/03/2012CN102702427A Biopolymer MA (maleic anhydride)-AMPS (2-acrylamido-2-methyl propane sulfonic acid) water treatment agent and preparation method of biopolymer AM-AMPS water treatment agent
10/03/2012CN102702424A Zwitterionic polymer, preparation method of zwitterionic polymer and application in hydrochloric acid-base fracturing fluid
10/03/2012CN102701998A Method for preparing quaternary ammonium salt foaming agent
10/03/2012CN102382331B Solid high-temperature retarding agent for oil-well cement and preparation method thereof
10/03/2012CN102010703B Thickened oil cold production displacement agent for thickened oil production and preparation process thereof
10/03/2012CN101942292B Organic clay for oil base drilling fluid and production process thereof
10/03/2012CN101818050B Modified nano-drilling fluid treating agent for restraining mud shale expansion
10/03/2012CN101805598B Multifunctional regulating, plugging and driving reagent for oil-gas field
10/02/2012US8278373 Thermoset nanocomposite particles, processing for their production, and their use in oil and natural gas drilling applications
10/02/2012US8278252 Nano-sized particles for stabilizing viscoelastic surfactant fluids
10/02/2012US8278251 Fines migration control at their sources in water reservoirs
10/02/2012US8278250 Methods useful for diverting aqueous fluids in subterranean operations
10/02/2012US8276663 Methods for reducing biological load in subterranean formations
10/02/2012CA2684978C Use of curable liquid elastomers to produce gels for treating a wellbore
10/02/2012CA2634446C Improved polymeric gel system and methods for making and using same in hydrocarbon recovery
10/02/2012CA2587685C Viscoelastic surfactant fluids comprising ethyleneglycolethyletheracrylate derived copolymer and having enhanced shear recovery, rheology and stability performance
10/02/2012CA2538439C Method and composition for enhanced hydrocarbons recovery
09/2012
09/30/2012CA2769839A1 Methods to reduce settling rate of solids in a treatment fluid
09/27/2012WO2012129406A1 Methods of using invert emulsion fluids with high internal phase concentration
09/27/2012WO2012129302A2 Graphene-containing fluids for oil and gas exploration and production
09/27/2012WO2012128608A1 Enhancement in thermo-chemical formulation
09/27/2012WO2012127230A2 Invert drilling fluids
09/27/2012WO2012127191A1 Methods of fluid loss control and fluid diversion in subterranean formations
09/27/2012WO2012127183A1 Treatment fluids containing a biodegradable chelating agent and methods for use thereof
09/27/2012WO2012126976A1 Method for recovering crude oil using surfactants belonging to the class of alkyl polyglucosides
09/27/2012WO2012126630A1 Highly-concentrated flowable salts of alkyl polyalkoxy sulphates
09/27/2012US20120245062 Use of high ratio aqueous alkali silicates for profile modification, water control and stabilization
09/27/2012US20120245061 Enhancing drag reduction properties of slick water systems
1 ... 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 ... 318