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)
12/2012
12/05/2012CN101870862B Low-density high-strength slurry leak-resistant method for sealing leakage producing formation
12/05/2012CN101805601B Break-free fracturing fluid
12/05/2012CN101705080B Deepwater drilling liquid
12/05/2012CN101440276B Aquathermolysis catalytic thinner for heavy oil exploration via steam injection and preparation thereof
12/05/2012CN101061198B Shale hydration inhibition agent and method of use
12/04/2012US8324137 Latex compositions comprising pozzolan and/or cement kiln dust and methods of use
12/04/2012US8324136 Synergistic bead lubricant and methods for providing improved lubrication to drilling fluids for horizontal drilling
12/04/2012US8324135 Aqueous fluid and method of making and using the same
12/04/2012CA2745704C Reducing volatile phosphorous in hydrocarbon based fracturing fluids
11/2012
11/29/2012WO2012162680A1 Systems and methods for processing glycerol
11/29/2012WO2012162117A1 Wellbore fluid used with swellable elements
11/29/2012WO2012162020A1 Stabilized blends containing antioxidants
11/29/2012WO2012160340A1 Method for quantifying cement blend components
11/29/2012WO2012160319A1 Cement setting agent
11/29/2012WO2012160008A1 Thickened viscoelastic fluids and uses thereof
11/29/2012US20120302470 Compositions, methods, apparatus, and systems for incorporating bio-derived materials in drilling and hydraulic fracturing
11/29/2012US20120302469 Carbon Dioxide Capture and Mitigation of Carbon Dioxide Emissions
11/29/2012US20120302468 Formulations and uses of drilling fluids containing viscosified phosphate brine
11/29/2012DE112010004045T5 Kohlenwasserstoffbetriebsfluide und Verfahren zu deren Verwendung Hydrocarbon operating fluids and methods of use thereof
11/29/2012CA2836582A1 Wellbore fluid used with swellable elements
11/29/2012CA2835511A1 Thickened viscoelastic fluids and uses thereof
11/29/2012CA2835039A1 Method for quantifying cement blend components
11/28/2012EP2527514A1 Washing system
11/28/2012EP2527417A2 The use of sized barite as a weighting agent for drilling fluids
11/28/2012EP2526161A1 Compositions and methods for enhancing fluid recovery for hydraulic fracturing treatments
11/28/2012CN102803433A Sulfonated internal olefin surfactant for enhanced oil recovery
11/28/2012CN102803432A Metal-mediated viscosity reduction of fluids gelled with viscoelastic surfactants
11/28/2012CN102803431A Agent and composition for oilfield applications
11/28/2012CN102803430A Viscoelastic surfactants and methods of making and using same
11/28/2012CN102797446A Method and equipment for suppressing generation of hydrogen sulfide in oil layer of steam-driven injection well
11/28/2012CN102797443A Method for exploiting residual crude oil in low-permeability oilfield by using polymer micro/nanoparticle
11/28/2012CN102796509A Ceramic proppant prepared from low-grade bauxite and method for preparing ceramic proppant
11/28/2012CN102796508A Anionic surfactant crosslinked acid
11/28/2012CN102796507A Xanthan gum fracturing fluid, and preparation method and application thereof
11/28/2012CN102796506A Ampholytic surfactant fracturing fluid
11/28/2012CN102796505A Double effects treatment agent of hydrogen sulfide reduction, catalysis and viscosity reduction in steam flooding injection well and application
11/28/2012CN102796504A Treatment agent of hydrogen sulfide oil displacement, catalysis, viscosity reduction and reduction of steam flooding injection well and application
11/28/2012CN102796503A Intercalation polymer gel diversion agent
11/28/2012CN102796502A Corrosion inhibitor bromide-N-alkyl pyridine-acrylate and method for preparing same
11/28/2012CN102796501A Ternary composite chain scission solution
11/28/2012CN102796500A Low-hydration-heat early-strength cement for well cementation
11/28/2012CN102796499A Novel profile control solution
11/28/2012CN102796498A Foam drilling fluid
11/28/2012CN102796497A Gas oil base invert oil-emulsion drilling fluid and preparation method
11/28/2012CN102796496A Cation coating agent for water-base drilling fluid and preparation method thereof
11/28/2012CN102796495A Inter permeable network type polymer fluid loss agent and preparation method thereof
11/28/2012CN102250599B Protective anti-sloughing agent for high-temperature resistant asphalt storage layer
11/28/2012CN102079972B Saturated saltwater mud
11/28/2012CN101906295B Water-soluble thick oil viscosity reducer
11/28/2012CN101792660B Multi-functional nanometer oil well cement slurry
11/28/2012CN101747881B Descaling and blockage relieving agent for oil-water well
11/28/2012CN101628884B Preparation method of ampholytic surfactant and application thereof in tertiary oil recovery
11/28/2012CN101602938B Preparation method of cellulose-based drilling fluid filtrate reducer
11/28/2012CN101432132B Particles for use as proppants or in gravel packs, methods for making and using the same
11/28/2012CN101277909B Cement composition for carbon dioxide supercritical environment
11/27/2012US8318642 Methods and compositions comprising kiln dust and metakaolin
11/27/2012US8318085 Methods and compositions for inhibiting metal corrosion
11/27/2012CA2713212C Method for treating oil and gas wells
11/27/2012CA2683272C Squeeze process for reactivation of well treatment fluids containing diatomaceous earth
11/27/2012CA2634581C Formation treatment method using deformable particles
11/27/2012CA2560851C Method for increasing the production of hydrocarbon liquids and gases
11/27/2012CA2515901C Liquid carbon dioxide cleaning of wellbores and near-wellbore areas
11/22/2012WO2012158605A1 Process for thickening a drilling mud waste materials and a modified drilling mud waste material
11/22/2012WO2012158478A1 Carbon-based fluorescent tracers as oil reservoir nano-agents
11/22/2012WO2012158320A1 Method of using asparaginase as a polyacrylamide enzyme breaker
11/22/2012WO2012158283A1 Plugging thief zones and fractures by in-situ and in-depth crystallization for improving water sweep efficiency of sandstone and carbonate reservoirs
11/22/2012WO2012156663A1 Settable compositions containing metakaolin having reduced portland cement content
11/22/2012WO2012156609A1 Plugging product and use of such a product
11/22/2012WO2012156148A1 Use of polyether-containing copolymers in the cementing of boreholes
11/22/2012WO2012134862A3 Method for isolating and completing multi-zone gravel packs
11/22/2012WO2012122505A3 Cross-linkers for hydraulic fracturing fluid
11/22/2012US20120295823 Oil release with n-lauroyl amino acid-based compounds
11/22/2012US20120295822 System and Process for Production of Polyethylene and Polypropylene
11/22/2012US20120295821 High Performance Drilling Fluids with Submicron-Size Particles as the Weighting Agent
11/22/2012US20120295820 Management of corrosion in phosphate brines
11/22/2012US20120295114 Phenol-Formaldehyde Novolac Resin Having Low Concentration of Free Phenol
11/22/2012US20120292022 Composition for improving oil recovery including n-lauroyl amino acid-based compounds and microbes
11/22/2012US20120291674 Methods of Plugging and Abandoning a Well Using Compositions Comprising Cement Kiln Dust and Pumicite
11/22/2012CA2835829A1 Process for thickening a drilling mud waste materials and a modified drilling mud waste material
11/22/2012CA2835556A1 Settable compositions containing metakaolin having reduced portland cement content
11/22/2012CA2831963A1 Plugging thief zones and fractures by in-situ and in-depth crystallization for improving water sweep efficiency of sandstone and carbonate reservoirs
11/21/2012EP2524018A1 Surfactants and friction reducing polymers for the reduction of water blocks and gas condensates and associated methods
11/21/2012EP2524017A1 Treatment fluids for wetting control of multiple rock types and associated methods
11/21/2012EP2524016A1 Surfactants for reduction of water blocks and/or gas condensates and associated methods
11/21/2012CN102791825A Method for producing crude oil using surfactants based on C16C18-containing alkyl-propoxy surfactants
11/21/2012CN102791824A Method for producing crude oil using surfactants based on butylene oxide-containing alkyl alkoxylates
11/21/2012CN102791823A Method of treating a wellbore having annular isolation system
11/21/2012CN102791752A Additives for inhibition of gas hydrate formation
11/21/2012CN102786924A Anti-swelling agent and production process of anti-swelling agent
11/21/2012CN102786923A Method for modifying surface of ceramsites for fracturing
11/21/2012CN102786922A Method for preparing high-strength oil fracturing proppant by high-iron bauxite
11/21/2012CN102786921A Low-density oil fracturing propping agent and preparation method thereof
11/21/2012CN102786920A Polymerization-removing, depressurizing and injection-enhancing liquid
11/21/2012CN102786919A Emulsified asphalt profile control agent
11/21/2012CN102786918A Water loss reducing composition, cement composition containing water loss reducing composition, and preparation method and use of water loss reducing composition
11/21/2012CN102786917A Novel solid free drilling fluid for deep mineral exploration complex formation PSP
11/21/2012CN102786638A Method for preparing viscosity reducer
11/21/2012CN102786561A Method of preparing CAPG for drilling fluid
11/21/2012CN102786245A Formula for viscosity reducer
11/21/2012CN102153999B Profile modification agent for amphion jelly
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