| 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) |
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| 07/10/2013 | CN101665687B Method for preparing proppant |
| 07/09/2013 | US8481462 For hydraulic fracturing; reducing agents; oil field treatment |
| 07/09/2013 | US8479819 Method of consolidating a fracture in a formation |
| 07/09/2013 | US8479817 Method and composition for curing lost circulation |
| 07/04/2013 | WO2013101599A1 Method of producing oil |
| 07/04/2013 | WO2013101520A1 Enhanced oil recovery methods for producing oil from heavy oil fields |
| 07/04/2013 | WO2013068707A8 Compositions and methods relating to the stabilization of hydrophobically modified hydrophilic polymer treatment fluids under alkaline conditions |
| 07/04/2013 | WO2013048972A3 Synthetic oil field drilling fluids |
| 07/04/2013 | US20130172218 Compound of biodegradable surfactants for separating impurities in a hydrocarbon |
| 07/04/2013 | US20130172217 Method for Dispersing Aqueous Based Drilling Fluid for Drilling Subterranean Boreholes |
| 07/04/2013 | US20130168096 Additive to Fluid for The Treatment of Subterranean Formation and A Method for Treating Subterranean Formation |
| 07/03/2013 | EP2609170A1 Alkoxy carboxylate surfactants |
| 07/03/2013 | EP2609169A1 Drilling fluid and method for drilling in coal-containing formations |
| 07/03/2013 | EP2609130A1 Fluorinated ethoxylated polyurethanes |
| 07/03/2013 | EP2609038A1 A contaminant control system in an evaporative water treating system |
| 07/03/2013 | CN103189599A Prevention of biomass aggregation at injection wells |
| 07/03/2013 | CN103189468A Alkoxy carboxylate surfactants |
| 07/03/2013 | CN103189467A Fluid composition comprising glass microspheres and method of making and using the same |
| 07/03/2013 | CN103184044A Thermo-sensitive sand consolidation, channeling sealing and well completion integrated chemical system used for steam injection for thermal recovery |
| 07/03/2013 | CN103184043A Crude oil pour point depressant and preparation method thereof |
| 07/03/2013 | CN103184042A Dimeric surfactant for tertiary oil recovery and preparation and application thereof |
| 07/03/2013 | CN103184041A Retarder for modified aluminophosphate cement and preparation method |
| 07/03/2013 | CN103184040A Pre-crosslinked gel plugging agent for stratum |
| 07/03/2013 | CN103184039A Strong-thixotropy expansion-type high strength chemical blocking agent for blocking water in horizontal well |
| 07/03/2013 | CN103184038A Environment-friendly low solid phase oil-base drilling and completion fluids and preparation methods |
| 07/03/2013 | CN103184037A Bio-enzyme solid-free completion fluid |
| 07/03/2013 | CN103184036A Oil-based drilling fluid filtrate reducer containing cross-linked structure, and preparation method |
| 07/03/2013 | CN103184035A Polymer oil layer protective agent for drilling fluid and preparation method |
| 07/03/2013 | CN103183779A Preparation method for multi-element polymerized gel |
| 07/03/2013 | CN102464973B Carbon dioxide (CO2) corrosion-resistant material of oil well cement |
| 07/03/2013 | CN102464797B Enether monomer, water-soluble thermothickening copolymer, preparation method, application thereof |
| 07/03/2013 | CN102453479B Sulfated cellulose ether-acrylamide graft copolymer, preparation method and application thereof |
| 07/03/2013 | CN102453478B Temperature-resistance salt-tolerance macromolecular surfactant for oil field, preparation method and application thereof |
| 07/03/2013 | CN102453477B Sulfoethyl cellulose ether-acrylamide grafted copolymer and preparation method thereof |
| 07/03/2013 | CN102408888B Rock breaking drilling fluid |
| 07/03/2013 | CN102399549B Rock breaking agent for stabilizing well walls and preparation method thereof |
| 07/03/2013 | CN102391852B Authigenic gas formulation for acidification of oil and gas wells |
| 07/03/2013 | CN102373052B Binary composite oil displacement agent for tertiary oil recovery and preparation method thereof |
| 07/03/2013 | CN102373051B Binary composite oil displacement agent and preparation method thereof |
| 07/03/2013 | CN102373035B Preparation method of flaky, granular and powdery phenol used for profile control and water shutoff |
| 07/03/2013 | CN102372820B Long branched chain polymer used for tertiary oil recovery and synthesis method thereof |
| 07/03/2013 | CN102321462B Method for preparing pH regulating stabilizer of oil gas field |
| 07/03/2013 | CN102321460B Micro-foam agent for oil field oil gas well cementation and preparation method thereof |
| 07/03/2013 | CN102286273B Oil-in-water emulsifier as well as preparation and use methods thereof |
| 07/03/2013 | CN102276992B Modified sulphurized asphalt used for drilling fluid and preparation method thereof, |
| 07/03/2013 | CN102220111B Leak stopping and wall protecting agent for petroleum drilling fluid and preparation method thereof |
| 07/03/2013 | CN102051162B Treatment agent for preventing mud from covering drill bit and preparation method thereof |
| 07/03/2013 | CN102020984B In-fissure diversion fracturing temporary blocking agent for low-permeability oilfield, and preparation method and application thereof |
| 07/03/2013 | CN101993684B Temporary plugging agent for acidization of water injection well of low permeability reservoir |
| 07/03/2013 | CN101987954B Alkali-free compound flooding composition |
| 07/03/2013 | CA2806782A1 Compositions, systems and methods for releasing additive components |
| 07/02/2013 | US8476202 Carboxylic acid and oxidizer clean-up compositions and associated methods of use in subterranean applications |
| 07/02/2013 | US8476201 Drilling fluids having reduced sag potential and related methods |
| 07/02/2013 | US8474532 Invert silicate fluids for wellbore strengthening |
| 07/02/2013 | CA2776519C Subterranean treatment fluids, friction reducing copolymers, and associated methods |
| 07/02/2013 | CA2624791C A process for consolidating a formation |
| 06/30/2013 | CA2762754A1 Sulfur solvent compositions, methods for removing sulfur deposits and processes for making sulfur solvent compositions |
| 06/27/2013 | WO2013096780A1 Method of using a non-acidic stimulation fluid in high temperature sandstone formations |
| 06/27/2013 | WO2013096540A1 Stable suspensions of carbon nanoparticles for nano-enhanced pdc, lbl coatings, and coolants |
| 06/27/2013 | WO2013096491A1 Preconditioning a subsurface shale formation by removing extractible organics |
| 06/27/2013 | WO2013096218A1 Method and composition for inhibiting asphaltene deposition in a hydrocarbon mixture |
| 06/27/2013 | WO2013096217A1 Method and composition for inhibiting wax in a hydrocarbon mixture |
| 06/27/2013 | WO2013096216A1 Method and composition for inhibiting foam in a hydrocarbon mixture |
| 06/27/2013 | WO2013096215A1 Method and composition for reducing viscosity of a hydrocarbon mixture |
| 06/27/2013 | WO2013096198A1 Oil recovery process |
| 06/27/2013 | WO2013096108A1 Method to reduce salt necessary to reach saturation of drilling fluids |
| 06/27/2013 | WO2013095934A2 Drilling fluids comprising farnesane and/or farnesene |
| 06/27/2013 | WO2013095801A1 Method for the removal or suppression of interfering metal ions using environmentally friendly competitive binders |
| 06/27/2013 | WO2013095800A1 Method for delayedly crosslinking environmentally friendly fluids |
| 06/27/2013 | WO2013095173A1 Compositions and methods for servicing subterranean wells |
| 06/27/2013 | WO2013095150A1 Method for the preparation of polymer comprising particles |
| 06/27/2013 | WO2013093388A1 Modified cellulosic polymer for improved well bore fluids |
| 06/27/2013 | WO2013092818A1 Plugging fluid and process for plugging a zone of a subterranean formation using this fluid |
| 06/27/2013 | WO2013092780A1 Particles containing one or more controlled release cross-linked active agents |
| 06/27/2013 | WO2013092604A1 Compositions and methods for well completions |
| 06/27/2013 | WO2013092595A1 Compositions and methods for well completions |
| 06/27/2013 | WO2013092440A1 Compositions comprising polyester polyamine and polyester polyquaternary ammonium corrosion inhibitors and chelating agents |
| 06/27/2013 | WO2013091023A2 Method for chemically adsorbing to carbonate surfaces |
| 06/27/2013 | WO2013066552A3 Polymer-enhanced surfactant flooding for permeable carbonates |
| 06/27/2013 | WO2012119058A3 Downhole fluid injections, co2 sequestration methods, and hydrocarbon material recovery methods |
| 06/27/2013 | US20130165353 Stable suspensions of carbon nanoparticles for nano-enhanced pdc, lbl coatings, and coolants |
| 06/27/2013 | US20130165352 Well Treatment Fluid Compositions and Methods of Use That Include a Delayed Release Percarbonate Formulation |
| 06/27/2013 | US20130165351 Method to Reduce Salt Necessary to Reach Saturation of Drilling Fluids |
| 06/27/2013 | US20130161026 Chemical glass transition temperature reducer |
| 06/27/2013 | US20130161014 Amine adducts, derivatives thereof, methods for making such adducts and derivatives, and methods for using such adducts and derivatives |
| 06/27/2013 | US20130160998 Lost Circulation Materials and Methods of Using Same |
| 06/27/2013 | CA2858512A1 Compositions and methods for servicing subterranean wells |
| 06/27/2013 | CA2856576A1 Method for the removal or suppression of interfering metal ions using environmentally friendly competitive binders |
| 06/27/2013 | CA2856270A1 Method for delayedly crosslinking environmentally friendly fluids |
| 06/26/2013 | EP2607446A1 Method for consolidating and/or sealing a void in a subsurface formation |
| 06/26/2013 | EP2607405A1 Method for synthesising a nanoparticulate system of polyelectrolytes with opposite charges and use for the treatment of geological formations |
| 06/26/2013 | EP2606013A1 Compositions and methods for well completions |
| 06/26/2013 | CN103180543A Method and apparatus for thermally treating an oil reservoir |
| 06/26/2013 | CN103180405A Water injection systems and methods |
| 06/26/2013 | CN103180404A Delivery of particulate material below ground |
| 06/26/2013 | CN103180250A A contaminant control system in an evaporative water treating system |
| 06/26/2013 | CN103173205A Foaming flow back agent for oil well fracturing technology |
| 06/26/2013 | CN103173204A High-strength ceramsite proppant |
| 06/26/2013 | CN103173203A Proppant prepared by utilizing industrial tailings and preparation method thereof |
| 06/26/2013 | CN103173202A High molecular surfactant fracturing fluid |