| 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) |
|---|
| 10/25/2012 | US20120267105 Control of Particulate Entrainment by Fluids |
| 10/25/2012 | US20120267102 Nano-Sized Particles for Formation Fines Fixation |
| 10/25/2012 | US20120267101 Application of Degradable Polymers in Sand Control |
| 10/24/2012 | EP2514796A1 Swellable elastomers and associated methods |
| 10/24/2012 | EP2513916A1 Magnetic composite particles |
| 10/24/2012 | EP2513420A1 Fracture fluid compositions comprising a mixture of mono and divalent cations and their methods of use in hydraulic fracturing of subterranean formations |
| 10/24/2012 | EP2513411A2 Equipment for quick dispersion of polyacrylamide powder for fracturing operations |
| 10/24/2012 | EP2513275A1 Biodegradable lubricating composition and use thereof in a drilling fluid, in particular for very deep reservoirs |
| 10/24/2012 | EP2513245A1 Method of fracturing subterranean formations with crosslinked fluid |
| 10/24/2012 | CN102753648A Hydraulic fracturing proppant containing inorganic fibers |
| 10/24/2012 | CN102753647A Process for the recovery of heavy oil from an underground reservoir |
| 10/24/2012 | CN102746841A Nanoparticle-added composite foam system used for oil and gas field and preparation method thereof |
| 10/24/2012 | CN102746840A Mannich base acidifying corrosion inhibitor and preparation method thereof |
| 10/24/2012 | CN102746839A Oil-soluble corrosion inhibitor, its preparation method |
| 10/24/2012 | CN102746838A Blocking remover of gas well shaft |
| 10/24/2012 | CN102746837A Microsphere temporary plugging agent for leakage oil well |
| 10/24/2012 | CN102746836A Well-cementing and self-healing cement slurry for oil-gas field |
| 10/24/2012 | CN102746835A Carbonatite oil well density selectivity water shutoff agent and preparation process thereof |
| 10/24/2012 | CN102746834A Polymer filtrate reducer and preparation method thereof |
| 10/24/2012 | CN102746456A Terpolymer and polymer and preparation method and application thereof |
| 10/24/2012 | CN102746455A Acrylamide terpolymer and polymer and preparation method and application thereof |
| 10/24/2012 | CN102746441A Acrylamide terpolymer and polymer and preparation method and application thereof |
| 10/24/2012 | CN102352230B Cross-linking agent capable of forming crosslinking jelly with CJ2-9 densifier and preparation method thereof |
| 10/24/2012 | CN102040740B Method for reducing viscosity of aqueous solution of hydrophobically associating polymer |
| 10/24/2012 | CN102030852B Polymer for tertiary oil recovery and preparation method thereof |
| 10/24/2012 | CN101798501B Crude oil wax-proofing bar and preparation method thereof |
| 10/23/2012 | US8293688 Enhanced oil recovery surfactant composition and method of making the same |
| 10/23/2012 | US8293687 Compositions and processes for fracturing subterranean formations |
| 10/23/2012 | US8293686 Emulsified polymer drilling fluid and methods of preparation |
| 10/23/2012 | CA2727093C Low conductivity water based wellbore fluid |
| 10/23/2012 | CA2606923C Method for controlled gelation of silicates |
| 10/18/2012 | WO2012142547A1 Cementitious binders containing pozzolanic materials |
| 10/18/2012 | WO2012142235A1 Thermo-responsive hydrogels and thermo-responsive polymer solutions |
| 10/18/2012 | WO2012140338A1 Method and system for combined measurements of the physical-chemical properties of a product on a porous material |
| 10/18/2012 | WO2012139151A1 Method for production of proppants |
| 10/18/2012 | WO2011110802A8 Methods relating to modifying flow patterns using in-situ barriers |
| 10/18/2012 | US20120264660 Method of Tracking Fluids Produced from Various Zones in Subterranean Well |
| 10/18/2012 | US20120264659 Methods to Modify Drilling Fluids to Improve Lost Circulation Control |
| 10/18/2012 | US20120264658 Methods to Characterize Fracture Plugging Efficiency for Drilling Fluids |
| 10/18/2012 | US20120264657 Emulsion Stabilizing Agents for Drilling and Completion Fluids |
| 10/18/2012 | US20120264656 Composition of special fluid and use |
| 10/18/2012 | US20120264655 Thermo-responsive hydrogels and thermo-responsive polymer solutions |
| 10/18/2012 | US20120261129 Electromagnetic Wave Treatment Method And Promoter |
| 10/18/2012 | US20120261124 Recovery of oil |
| 10/18/2012 | CA2843410A1 Cementitious binders containing pozzolanic materials |
| 10/18/2012 | CA2833628A1 Method for production of proppants |
| 10/18/2012 | CA2832630A1 Thermo-responsive hydrogels and thermo-responsive polymer solutions |
| 10/17/2012 | EP2511359A1 Swellable elastomers and associated methods |
| 10/17/2012 | EP2510080A1 Low interfacial tension surfactants for petroleum applications |
| 10/17/2012 | EP2510070A1 A biodegradable set retarder for a cement composition |
| 10/17/2012 | EP2510068A1 Use of elastomers to produce gels for treating a wellbore |
| 10/17/2012 | CN102741375A Treatment fluids for wetting control of multiple rock types and associated methods |
| 10/17/2012 | CN102741374A Micro-electromechanical semiconductor component and method for the production thereof |
| 10/17/2012 | CN102732424A Compounded oil extraction microbe and its application in thickened oil and extra thickened oil exploitation |
| 10/17/2012 | CN102732245A Low-density ceramsite proppant and method for preparing same |
| 10/17/2012 | CN102732244A Cross-linking agent for fracturing fluid with ultralow hydroxypropyl guar concentration and fracturing fluid prepared from cross-linking agent |
| 10/17/2012 | CN102732243A Oil-displacing agent for binary oil displacement and binary oil displacement mining method of oil field |
| 10/17/2012 | CN102732242A Acidification preflushing fluid with seepage regulatory function |
| 10/17/2012 | CN102732241A Easily-degradable alkali-free viscosity reducer for thick oil and preparation method thereof |
| 10/17/2012 | CN102732240A Self-distribution seepage-regulation water-controlling acidifying technology |
| 10/17/2012 | CN102732239A Organic and inorganic composite flushing liquid as well as preparation method and applications thereof |
| 10/17/2012 | CN102732238A Anti-gas-channeling grouting material additive and application method thereof |
| 10/17/2012 | CN102732237A Dry wellbore well cementation cement slurry |
| 10/17/2012 | CN102732236A Roof-contacted yielding spraying plugging material |
| 10/17/2012 | CN102732235A Preparation method for suspension polymer |
| 10/17/2012 | CN102732234A Salt-resistant temperature-resistant micro-foam water-based drilling fluid |
| 10/17/2012 | CN102732233A Production process of non-invasive compressive drilling fluid additive |
| 10/17/2012 | CN102731711A Preparation method for emulsion polymer macro-molecular strong coating agent |
| 10/17/2012 | CN102731699A Preparation method of ultra high molecular weight anionic polyacrylamide |
| 10/17/2012 | CN102731129A Method for preparing composite fracturing propping agent by using gold tailings and forsterite fibers |
| 10/17/2012 | CN102731105A Method for preparing composite fracturing propping agent by using gold tailings and alumina fibers |
| 10/17/2012 | CN102728252A Method for preparing multiple emulsions from layered active particles |
| 10/17/2012 | CN101899162B Comb-shaped polymer and preparation method and application thereof |
| 10/17/2012 | CN101885962B Oilwell cement retarder and preparation method thereof |
| 10/17/2012 | CN101818051B AM (Acrylamide)/DMDAAC (Dimethyl Diallyl Ammonium Chloride)/cyclodextrin polymer filtrate reducer and preparation method thereof |
| 10/17/2012 | CN101787267B Double-modified starch fluid loss additive used for oil and gas field drilling fluid and preparation method thereof |
| 10/16/2012 | US8288324 Wellbore fluids comprising poly(trimethylene ether) glycol polymers |
| 10/16/2012 | US8288323 Compositions containing amide surfactants and methods for inhibiting the formation of hydrate agglomerates |
| 10/16/2012 | US8286705 Apparatus and method for treating a subterranean formation using diversion |
| 10/16/2012 | CA2702539C Nano-sized particle-coated proppants for formation fines fixation in proppant packs |
| 10/16/2012 | CA2525990C Method of increasing the low shear rate viscosity of well drilling and servicing fluids containing calcined magnesia bridging solids, the fluids and methods of use |
| 10/11/2012 | WO2012138485A2 Method and compositions for enhanced oil recovery |
| 10/11/2012 | WO2012136959A1 Treatment fluids containing a relative permeability modifier and a companion polymer interacting synergistically therewith and methods for use thereof |
| 10/11/2012 | WO2012136806A1 Special fluid composition and use thereof |
| 10/11/2012 | WO2012136747A1 Method of treating subterranean formations |
| 10/11/2012 | WO2012136613A1 Process for producing mineral oil from underground formations |
| 10/11/2012 | US20120258895 Low-melting elemental metal or fusible alloy encapsulated polymerization initiator for delayed initiation |
| 10/11/2012 | US20120258894 Treatment Fluids Containing a Relative Permeability Modifier and a Companion Polymer Interacting Synergistically Therewith and Methods for Use Thereof |
| 10/11/2012 | US20120258893 Oil Based Drilling Fluids With Enhanced Stability at High Temperatures |
| 10/11/2012 | US20120255728 Plugging Thief Zones and Fractures by In-Situ and In-Depth Crystallization for Improving Water Sweep Efficiency of Sandstone and Carbonate Reservoirs |
| 10/11/2012 | CA2832230A1 Method and compositions for enhanced oil recovery |
| 10/11/2012 | CA2831853A1 Special fluid composition and use thereof |
| 10/11/2012 | CA2830988A1 Method of treating subterranean formations |
| 10/11/2012 | CA2830813A1 Treatment fluids containing a relative permeability modifier and a companion polymer interacting synergistically therewith and methods for use thereof |
| 10/11/2012 | CA2826635A1 Process for producing mineral oil from underground formations |
| 10/10/2012 | EP2508584A1 Packer fluid |
| 10/10/2012 | EP2508495A1 Method for sealing or fixing porous bodies, stones or porous formations with extremely fine cement |
| 10/10/2012 | CN102725377A Polyester amide foamers |
| 10/10/2012 | CN102725376A Invert emulsion fluids with high internal phase concentration |
| 10/10/2012 | CN102720467A Residual acid flowback method after acid method hole-flushing in-situ leach of uranium |