| 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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| 07/23/2013 | US8490699 High solids content slurry methods |
| 07/23/2013 | CA2739383C Methods for treating a subterranean formation by introducing a treatment fluid containing a proppant and a swellable particulate and subsequently degrading the swellable particulate |
| 07/18/2013 | WO2013106514A1 Method of controlling reservoir particles using electrolytic composite materials |
| 07/18/2013 | WO2013106373A1 In-situ crosslinking with aluminum carboxylate for acid stimulation of a carbonate formation |
| 07/18/2013 | WO2013106213A1 Invert drilling fluids having enhanced rheology and methods of drilling boreholes |
| 07/18/2013 | WO2013106156A1 System and method for producing oil |
| 07/18/2013 | WO2013106059A2 Methods for removing residual polymer from a hydraulic fracture |
| 07/18/2013 | WO2013105983A1 Systems and methods of microbial enhanced oil recovery |
| 07/18/2013 | WO2013104958A1 Gas hydrate inhibitors and methods for making and using same |
| 07/18/2013 | WO2013104940A1 Method for reducing coning in oil wells by means of micro (nano) structured fluids substances |
| 07/18/2013 | WO2013016641A4 Methods of coating wellbore tools and components having such coatings |
| 07/18/2013 | WO2012152286A3 An enzyme enhanced oil recovery system and a method for operating an underground oil reservoir |
| 07/18/2013 | WO2012085508A8 Methods for cementing in a subterranean formation using a cement composition containing calcium silicate hydrate seeds |
| 07/18/2013 | US20130180723 Fracturing fluids including amine oxides as flowback aids |
| 07/18/2013 | US20130180720 Non-Acidic Exothermic Sandstone Stimulation Fluids |
| 07/18/2013 | US20130180716 Settable spacer fluids comprising pumicite and methods of using such fluids in subterranean formations |
| 07/18/2013 | CA2858095A1 System and method for producing oil |
| 07/18/2013 | CA2831591A1 Systems and methods of microbial enhanced oil recovery |
| 07/17/2013 | EP2615241A2 High strength dissolvable structures for use in a subterranean well |
| 07/17/2013 | EP2615151A1 Compositions and methods for well cementing |
| 07/17/2013 | CN103210120A Releasable corrosion inhibitors |
| 07/17/2013 | CN103210055A Flat rheology wellbore fluid |
| 07/17/2013 | CN103206192A Method for rapidly cleaning insoluble dirt in oil wells and oil reservoirs close to oil wells |
| 07/17/2013 | CN103205248A Coal ash and waste ceramic-prepared petroleum fracturing propping agent and preparation method thereof |
| 07/17/2013 | CN103205247A Modified expansion-slowing particle profile controlling agent and preparation method as well as application thereof |
| 07/17/2013 | CN103205246A Strong oleophylic compound silica nanoparticle with shell-and-chain structure and preparation method and application thereof |
| 07/17/2013 | CN103204976A Modified polyanionic ammonium salt for drilling fluid and preparation method of modified polyanion ammonium salt |
| 07/17/2013 | CN103204968A High performance alkali swelling thickener and preparation method thereof |
| 07/17/2013 | CN102432786B Phenolic resin and preparation method thereof as well as proppant and preparation method thereof |
| 07/17/2013 | CN102373046B High efficiency anti-magnesium ions oil displacement agent and its preparation method |
| 07/17/2013 | CN102352005B Process for producing bore drilling fluid additive by utilizing paper-making waste liquid |
| 07/17/2013 | CN102140336B Indigenous microbial sustained-release long-acting nutrient for oil recovery |
| 07/17/2013 | CN101945973B Process to prepare zirconium-based cross-linker compositions and their use in oil field applications |
| 07/17/2013 | CN101945970B Process to prepare borozirconate solution and use as a cross-linker in hydraulic fracturing fluids |
| 07/17/2013 | CN101857801B Nanometer displacement agent and preparation method thereof |
| 07/17/2013 | CN101757874B Viscoelastic surfactant fluids and related methods of use |
| 07/17/2013 | CN101463248B Low temperature low density oil well cement for deep sea |
| 07/17/2013 | CN101107422B Methods for producing fluids from acidized and consolidated portions of subterranean formations |
| 07/16/2013 | US8486869 Methods of plugging and abandoning a well using compositions comprising cement kiln dust and pumicite |
| 07/16/2013 | US8486868 Settable compositions comprising unexpanded perlite and methods of cementing in subterranean formations |
| 07/16/2013 | US8486867 Method of fracturing using mannanohydrolase enzyme breaker |
| 07/16/2013 | US8486702 Method of tracking fluids produced from various zones in subterranean well |
| 07/16/2013 | US8486187 Multipurpose additive for low VOC solvent based coatings |
| 07/16/2013 | US8485252 In situ recovery from a hydrocarbon containing formation |
| 07/16/2013 | CA2723591C Methods and aqueous based wellbore fluids for reducing wellbore fluid loss and filtrate loss |
| 07/11/2013 | WO2013103623A1 Nanoparticle kinetic gas hydrate inhibitors |
| 07/11/2013 | WO2013102703A1 Biocidal system and methods of use |
| 07/11/2013 | WO2013019866A3 Use of environmentally friendly solvents to replace glycol-based solvents |
| 07/11/2013 | WO2012037333A3 Aqueous foaming compositions with high tolerance to hydrocarbons |
| 07/11/2013 | US20130178400 Stabilizing Emulsified Acids for Carbonate Acidizing |
| 07/11/2013 | US20130178399 Gas hydrate inhibitors and methods for making and using same |
| 07/11/2013 | US20130178398 Oxygen Scavenger Compositions for Completion Brines |
| 07/11/2013 | US20130175037 Method of controlling reservoir particles using electrolytic composite materials |
| 07/11/2013 | US20130175032 Method of Enhancing Fracture Conductivity |
| 07/10/2013 | EP2611879A1 Method for dispersing aqueous based drilling fluid for drilling subterranean boreholes |
| 07/10/2013 | CN103194207A Waste ceramic produced oil fracturing proppant and preparation method thereof |
| 07/10/2013 | CN103194206A Fly ash oil fracturing proppant and preparation method thereof |
| 07/10/2013 | CN103194205A Heat-resistant high-strength precoated sand fracturing propping agent and preparation method thereof |
| 07/10/2013 | CN103194204A Proppant for hydraulic fracturing of coal bed gas and shale gas and preparation method thereof |
| 07/10/2013 | CN103194203A Proppant prepared from tailings of magnesium ore and boron ore and preparation method thereof |
| 07/10/2013 | CN103194202A Adsorptive acid liquor retarding admixture and preparation method thereof |
| 07/10/2013 | CN103194201A Binary composite flooding system and application thereof |
| 07/10/2013 | CN103194200A 2-aminobenzimidazole-condensed para-formaldehyde sodium benzoate and application thereof |
| 07/10/2013 | CN103194199A 3, 5-dibromo-salicylaldehyde-condensed-2-thiophene formhydrazide and application thereof |
| 07/10/2013 | CN103194198A 3, 5-dibromo-salicylaldehyde-condensed 2-aminobenzothiazole and application thereof |
| 07/10/2013 | CN103194197A 3, 5-dibromo-salicylaldehyde-condensed 2-pyridine formhydrazide and application thereof |
| 07/10/2013 | CN103194196A 2-aminobenzimidazole-condensed 3, 5-dibromo-salicylaldehyde and application thereof |
| 07/10/2013 | CN103194195A Application of trichloroisocyanuric acid in oil layer plug removal |
| 07/10/2013 | CN103194194A Composite type hydrate inhibitor |
| 07/10/2013 | CN103194193A Emulsified asphalt controllable demulsification water plugging agent, preparation method of emulsified asphalt controllable demulsification water plugging agent and method for plugging water by using water plugging agent |
| 07/10/2013 | CN103194192A Alkali-resistant polymer particle profile control agent |
| 07/10/2013 | CN103194191A Foam drilling fluid based on nano silicon dioxide material |
| 07/10/2013 | CN103194190A Solid-phase fluid with adjustable viscosity and leakage and preparation method thereof |
| 07/10/2013 | CN103194189A Drilling fluid capable of protecting coal bed methane reservoir |
| 07/10/2013 | CN103194188A Non-gel-breaking liquefiable clean drilling fluid and matched well completion fluid |
| 07/10/2013 | CN103194187A Wetting agent for high-density oil-based drilling fluid and application of wetting agent |
| 07/10/2013 | CN103194186A High density ultramicro formation testing working solution and preparation method thereof |
| 07/10/2013 | CN103193906A Preparation method of delayed-coagulation acrylamide single body profile control agent |
| 07/10/2013 | CN103193689A Hexadecyl toluene sulfonate for flooding and preparation method thereof, surfactant and application thereof |
| 07/10/2013 | CN103193688A Industrial product of hexadecyl xylol sulfonate and production method thereof, surfactant and application thereof |
| 07/10/2013 | CN103193461A Proppant prepared from tailings of magnesium ore, boron ore and iron ore and preparation method thereof |
| 07/10/2013 | CN103193460A Proppant prepared from tailings of boron ore and preparation method thereof |
| 07/10/2013 | CN103193459A Proppant prepared from tailings of magnesium ore and boron ore and preparation method thereof |
| 07/10/2013 | CN103191670A Preparation method for nano-emulsion with stable polymers |
| 07/10/2013 | CN102585787B Efficient urea-formaldehyde resin plugging agent and application thereof |
| 07/10/2013 | CN102516971B Block polyether zwitterionic heavy oil emulsified viscosity reducer and preparation method thereof |
| 07/10/2013 | CN102504771B Water-based drilling fluid system for deepwater operation and preparation method thereof |
| 07/10/2013 | CN102417814B Seawater-based fracturing fluid and preparation method thereof |
| 07/10/2013 | CN102311727B Temperature-resistant phenolic resin sand control agent and preparation method and application thereof |
| 07/10/2013 | CN102199422B Fracturing propping agent, preparation method thereof, and deep well fracturing method |
| 07/10/2013 | CN102181274B Thixotropic chemical sealing channeling agent |
| 07/10/2013 | CN102181008B Water absorption resin for well repair and leaking stoppage and synthesis method thereof |
| 07/10/2013 | CN102153994B High-temperature miscible phase temporary plugging and sealing agent and preparation method thereof |
| 07/10/2013 | CN102124035B Copolymer synthesis process |
| 07/10/2013 | CN102093865B Blocking remover for polymer pollutants |
| 07/10/2013 | CN102093864B Temporary plugging diversion agent for refracturing of oil-water well and preparation method thereof |
| 07/10/2013 | CN101918510B Acidic aqueous solution containing a chelating agent and the use thereof |
| 07/10/2013 | CN101914374B High-strength ceramsite propping agent and production method thereof |
| 07/10/2013 | CN101839123B Exploitation method for wax precipitation oil reservoir |
| 07/10/2013 | CN101717623B Method for preparing viscosity depressant for drilling fluid |