| 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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| 07/11/2012 | CN102557992A Salt-resistant type high activity alkyl benzene sulfonate and preparing method thereof |
| 07/11/2012 | CN102344782B Petroleum drilling additive high temperature-resistant filtrate reducer and preparation method thereof |
| 07/10/2012 | US8216981 Drilling fluid additive system |
| 07/10/2012 | US8216675 Methods for producing sintered particles from a slurry of an alumina-containing raw material |
| 07/10/2012 | US8215393 Method for treating well bore within a subterranean formation |
| 07/10/2012 | US8215385 Application of degradable polymers in sand control |
| 07/10/2012 | CA2713715C Lost circulation material formulation and method of use |
| 07/10/2012 | CA2684805C Foamed gel systems for fracturing subterranean formations, and methods for making and using same |
| 07/10/2012 | CA2670565C Injection of treatment materials into a geological formation surrounding a well bore |
| 07/10/2012 | CA2660097C Well treatment composition for increasing lifetime of scale inhibiting treatments |
| 07/10/2012 | CA2630032C Methods for recovering oil from an oil reservoir |
| 07/10/2012 | CA2606541C Degradable gels in zonal isolation applications |
| 07/05/2012 | WO2012091881A2 Method and composition for enhanced hydrocarbons recovery from a formation containing a crude oil |
| 07/05/2012 | WO2012091880A2 Method and composition for enhanced hydrocarbons recovery from a formation containing a crude oil |
| 07/05/2012 | WO2012090158A1 Method for recovering oil from a reservoir by means of micro (nano) - structured fluids with controlled release of barrier substances |
| 07/05/2012 | WO2012090153A1 Method for limiting the water or gas coning in an extraction well of a hydrocarbon fluid |
| 07/05/2012 | WO2012089822A1 Method and system for sealing a void in an underground wellbore |
| 07/05/2012 | WO2012089654A1 Hybrid mixtures for gas hydrate inhibition applications |
| 07/05/2012 | WO2012089649A1 Polyester polyamine and polyester polyquaternary ammonium corrosion inhibitors |
| 07/05/2012 | WO2012058436A3 Nanomatrix carbon composite |
| 07/05/2012 | US20120172263 Additives to Suppress Silica Scale Build-Up |
| 07/05/2012 | US20120172262 Fluorosurfactants and Treatment Fluids for Reduction of Water Blocks, Oil Blocks, and/or Gas Condensates and Associated Methods |
| 07/05/2012 | US20120172261 Weighted Elastomers, Cement Compositions Comprising Weighted Elastomers, and Methods of Use |
| 07/05/2012 | US20120168166 Methods Useful for Diverting Aqueous Fluids in Subterranean Operations |
| 07/05/2012 | CA2823247A1 Method and composition for enhanced hydrocarbons recovery from a formation containing a crude oil |
| 07/05/2012 | CA2823149A1 Method and composition for enhanced hydrocarbons recovery from a formation containing a crude oil |
| 07/05/2012 | CA2823112A1 Method for recovering oil from a reservoir by means of micro (nano) - structured fluids with controlled release of barrier substances |
| 07/05/2012 | CA2822517A1 Polyester polyamine and polyester polyquaternary ammonium corrosion inhibitors |
| 07/04/2012 | EP2471888A1 Viscoelastic surfactant fluids having enhanced shear recovery, rheology and stability performance |
| 07/04/2012 | EP2471887A1 Improved corrosion-inhibiting additives, treatment fluids and associated methods |
| 07/04/2012 | EP2470751A1 Gravel pack fluid composition and emulsion therefor |
| 07/04/2012 | EP2470639A1 Microbial enhanced oil recovery methods |
| 07/04/2012 | EP2470618A1 Treatment of oil |
| 07/04/2012 | EP2139968B1 Treatment for recycling fracture water - gas and oil recovery in shale deposits |
| 07/04/2012 | CN102549128A Estolide compositions having excellent low temperature properties |
| 07/04/2012 | CN102549105A Use of alk(en)yl oligoglycosides in enhanced oil recovery processes |
| 07/04/2012 | CN102549104A Methods for thickening hydrophobic liquids with amphiphilic esters |
| 07/04/2012 | CN102536178A Method for prolonging augmented injection measure period of water injection well scaling easily |
| 07/04/2012 | CN102536166A Method for deep treatment of oil layer through self-generation foam acidification |
| 07/04/2012 | CN102533602A Pseudomonas aeruginosa, and culture method and application thereof |
| 07/04/2012 | CN102533601A Bacillus simplex, and culture method and application thereof |
| 07/04/2012 | CN102533245A Mannich base metal iodide corrosion inhibitor and preparation method thereof |
| 07/04/2012 | CN102533244A Encapsulated sustained-release acid for oil-water well reconstruction and preparation method thereof |
| 07/04/2012 | CN102533243A Fracture acidizing cleanup additive of fluorine-containing carbon chain Gemini surfactant and preparation method thereof |
| 07/04/2012 | CN102533242A Rapid viscosity breaker for surfactant fracturing fluid |
| 07/04/2012 | CN102533241A Crude oil pour point depressant |
| 07/04/2012 | CN102533240A High-temperature oil reservoir composite modifying and flooding agent and preparing method and application thereof |
| 07/04/2012 | CN102533239A Hydrophobically associating polymer-diethanolamide type dual compound driving system |
| 07/04/2012 | CN102533238A Block polyether quaternary ammonium salt surfactant and preparation method thereof |
| 07/04/2012 | CN102533237A Preparation method of novel organic amine adsorbed film type corrosion inhibitor for oil field |
| 07/04/2012 | CN102533236A Washing agent for shafts used in oil fields and preparation method thereof |
| 07/04/2012 | CN102533235A Medium high temperature early strength agent for oil well cement |
| 07/04/2012 | CN102533234A Cement composition and application thereof |
| 07/04/2012 | CN102533233A High-temperature-resistant and high-salinity-resistant water-plugging profile control agent, and preparation method and application thereof |
| 07/04/2012 | CN102533232A Solid-phase-free multi-functional well completion working solution |
| 07/04/2012 | CN102533231A fluid-loss reducing additive for ultra-high temperature drilling |
| 07/04/2012 | CN102532410A Hydrophobically associating polymer, preparation method and application thereof |
| 07/04/2012 | CN102532375A Polyacrylamide microsphere |
| 07/04/2012 | CN102531443A Early strength agent composition and preparation method thereof, cement composition and uses of above |
| 07/04/2012 | CN102127189B Polyacrylamide microgel as well as preparation method and application thereof |
| 07/04/2012 | CN102086248B Polyacrylamide microgel as well as preparation method and application thereof |
| 07/04/2012 | CN101857658B Copolymer for acid fracturing retarded gel acid and preparation method thereof |
| 07/04/2012 | CN101747009B High-temperature low-density cement and applications thereof |
| 07/04/2012 | CN101705082B Formulated fracturing fluid of micro emulsion gel |
| 07/04/2012 | CN101665684B Anti-scaling agent for oil well silicate scale |
| 07/04/2012 | CN101664657B Carboxylate gemini surfactant and preparation method thereof |
| 07/04/2012 | CN101638574B Acid-in-oil stuck freeing fluid and production method and use method thereof |
| 07/04/2012 | CN101336289B Method of culturing unicellular organisms |
| 07/03/2012 | US8211837 Method of manufacture and use of large hydrophobe ether sulfate surfactants in enhanced oil recovery (EOR) applications |
| 07/03/2012 | US8211836 Method of removing calcareous or siliceous deposits or scales |
| 07/03/2012 | US8211835 Composition and method for slickwater application |
| 07/03/2012 | US8211834 Hydrocarbon-based fracturing fluid compositions, methods of preparation and methods of use |
| 07/03/2012 | CA2735643C A method for the production of a lightweight magnesium silicate proppant and a proppant |
| 07/03/2012 | CA2668909C Methods for controlling particulate migration |
| 07/03/2012 | CA2560939C Process for disruption of filter cakes |
| 06/28/2012 | WO2012088216A2 Method for treating hydrocarbon-bearing formations with fluorinated amine |
| 06/28/2012 | WO2012088104A1 System and method for the reduction of ferric ion |
| 06/28/2012 | WO2012088056A2 Methods for treating carbonate hydrocarbon-bearing formations with fluorinated amine oxides |
| 06/28/2012 | WO2012087388A1 Hydraulic fracturing with slick water from dry blends |
| 06/28/2012 | WO2012087354A1 Water-based drilling fluids containing crosslinked polyacrylic acid |
| 06/28/2012 | WO2012085517A1 Improved concentrated polymer systems having increased polymer loadings and enhanced methods of use |
| 06/28/2012 | WO2012085509A1 Settable compositions comprising unexpanded perlite and methods of cementing in subterranean formations |
| 06/28/2012 | WO2012085508A1 Methods for cementing in a subterranean formation using a cement composition containing calcium silicate hydrate seeds |
| 06/28/2012 | WO2012085473A1 Filamentous polymer particles and use thereof as rheology modifiers |
| 06/28/2012 | WO2012085391A1 Novel process for drilling subterranean cavities |
| 06/28/2012 | WO2012061380A3 Methods, strains, and compositions useful for microbially enhanced oil recovery: arcobacter clade 1 |
| 06/28/2012 | WO2012061350A3 Methods, strains, and compositions useful for microbially enhanced oil recovery: pseudomonas stutzeri |
| 06/28/2012 | WO2012061187A3 Volcanic ash-based drilling mud to overcome drilling challenges |
| 06/28/2012 | WO2012058622A3 Enhancing hydrocarbon recovery |
| 06/28/2012 | WO2012055028A9 Alkali-activated coatings for proppants |
| 06/28/2012 | WO2012054369A3 A drilling fluid |
| 06/28/2012 | US20120165233 Gravel pack fluid composition and emulsion therefor |
| 06/28/2012 | US20120165232 Methods of Controlling the Degradation Rate of Hydrolytically Degradable Materials |
| 06/28/2012 | US20120165231 Drilling Fluids Having Reduced Sag Potential and Related Methods |
| 06/28/2012 | US20120160501 Zirconium-Based Cross-Linking Composition for Use with High pH Polymer Solutions |
| 06/28/2012 | US20120160499 Process for transporting fracture ("frac") fluid additives to oil and gas wells utilizing ion exchange resin |
| 06/28/2012 | US20120160498 Concentrated Polymer Systems Having Increased Polymer Loadings and Enhanced Methods of Use |
| 06/28/2012 | US20120160497 Hydrocarbon Recovery Operations Fluids and Methods For Using the Same |
| 06/28/2012 | US20120160490 Use of Seeds as a Cement Set Retarder |
| 06/28/2012 | US20120160487 Method and composition for enhanced hydrocarbon recovery from a formation containing a crude oil with specific solubility groups and chemical families |