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)
04/2012
04/04/2012EP2436748A1 Method for producing crude oil from subterranean crude oil storage areas
04/04/2012EP2435528A1 Cement compositions comprising latex and a nano-particle and associated methods
04/04/2012EP2303982B1 Use, as thickening agent, of a salty aqueous formulation of a water-soluble cross-linked and hydrophobically-modified acrylic copolymer
04/04/2012CN102399551A 一种加重酸液 An aggravating acid
04/04/2012CN102399550A 一种用于高温碳酸盐岩深度酸化的液体配方 A liquid formulation used in high temperature carbonate rock depth acidification
04/04/2012CN102399549A 一种稳定井壁的破岩剂及其制备方法 A wall of rock breaking and preparation method for stabilizing
04/04/2012CN102399548A Foaming agent used in composite-foam oil flooding
04/04/2012CN102399547A 鼠李糖脂作为原油管路减阻剂和降粘剂的应用 As crude oil pipeline Rhamnolipid DRA and viscosity reducer application
04/04/2012CN102399546A Environment-friendly composite blocking remover composition for oil fields
04/04/2012CN102399545A 一种油井冲砂洗井剂 One kind of oil sand - flushing agent
04/04/2012CN102399544A 粘泥消除剂 Slime scavenger
04/04/2012CN102399543A Preparation method of partially hydrolyzed polyacrylamide gel blocking agent
04/04/2012CN102399542A 一种高温深井储层保护剂 A high-temperature deep reservoir protection agents
04/04/2012CN102399345A 含有核壳结构凝胶微球的乳液深部调驱剂的制备方法及乳液深部调驱剂 Preparation of core-shell hydrogel microspheres containing emulsion deep flooding agent and lotions deep flooding agent
04/04/2012CN102399298A 羧甲基瓜尔胶的制备方法 Carboxymethyl guar gum preparation
04/04/2012CN101948786B 高产鼠李糖脂的铜绿假单胞菌及其应用 Yield Rhamnolipid Pseudomonas aeruginosa and its application
04/04/2012CA2754554A1 Process for producing mineral oil from underground mineral oil deposits
04/03/2012US8148305 Oligoglyercol fatty acid ester additives for water-based drilling fluids
04/03/2012US8148304 Copolymer based on a sulfonic acid-containing compound
04/03/2012US8148303 Surfactant additives used to retain producibility while drilling
04/03/2012CA2693431C Drilling fluid additive for reducing lost circulation in a drilling operation
03/2012
03/29/2012WO2012040329A1 Water removal from anti-agglomerate ldhis
03/29/2012WO2012039912A1 An environmentally friendly base fluid to replace toxic mineral oil-based base fluids
03/29/2012WO2012038704A1 Tethered polymers used to enhance the stability of microemulsion fluids
03/29/2012WO2012037600A1 Drilling fluid additive
03/29/2012WO2012018514A3 Method for dispersing and aggregating components of mineral slurries and high-molecular weight multivalent polymers for clay aggregation
03/29/2012WO2012006486A3 A method for treatment of subterranean sites adjacent to water injection wells
03/29/2012US20120077718 Copolymer and preparation method and application thereof
03/29/2012US20120077717 Polymers Having N-Vinyl Amide And Hydroxyl Moieties, Their Compositions And The Uses Thereof
03/29/2012US20120073817 Tethered Polymers Used to Enhance the Stability of Microemulsion Fluids
03/29/2012CA2812186A1 Water removal from anti-agglomerate ldhis
03/29/2012CA2809403A1 Tethered polymers used to enhance the stability of microemulsion fluids
03/29/2012CA2808477A1 Magnetically controlled delivery of subterranean fluid additives for use in subterranean applications
03/29/2012CA2761048A1 Post cold heavy oil production with sand microbial enhanced oil recovery method
03/28/2012EP2433999A1 Film coated particles for oil exploitation and oil exploitation method using the same
03/28/2012EP2433998A1 Methods for reducing biological load in subterranean formations
03/28/2012EP2433702A1 Process for separating kinetic hydrate polymer inhibitors
03/28/2012EP2432847A1 Altering the interface of hydrocarbon-coated surfaces
03/28/2012EP2432846A1 Novel formulations of water-soluble polymers and stabilizing additives for injecting a single compound useable in injection fluids for chemical enhanced oil recovery
03/28/2012EP2217671B8 Method of enhancing adsorption of an inhibitor onto a wellbore region
03/28/2012CN102395645A Aqueous displacement fluid injection for enhancing oil recovery from an oil bearing formation
03/28/2012CN102392627A Method for improving oil field recovery rate
03/28/2012CN102391853A Swelling-resistant shrinking and swelling agent and preparation method thereof
03/28/2012CN102391852A Authigenic gas formulation for acidification of oil and gas wells
03/28/2012CN102391851A Acid carboxymethyl guargum fracturing fluid and preparation method thereof
03/28/2012CN102391850A Recovered fracturing fluid used in natural gas well
03/28/2012CN102391849A Imidazole polymer oil displacement agent and synthesizing method thereof
03/28/2012CN102391848A Water-soluble tracing polymer oil displacement agent and preparation method thereof
03/28/2012CN102391847A Composite microbe oil displacement agent and use thereof
03/28/2012CN102391846A Sulfur solvent for controlling or remitting sulfur deposition
03/28/2012CN102391845A Composite chemical blocking agent
03/28/2012CN102391844A Chrome leather shavings well-drilling leakage-stopping material
03/28/2012CN102391843A Potassium metasilicate polymeric alcohol water base drilling fluid
03/28/2012CN102391842A Polyamine drilling fluid
03/28/2012CN102391841A Biodiesel drilling fluid lubricant and preparation method thereof
03/28/2012CN102391840A Non-toxic, non-fluorescent lubricant for drilling fluid and preparation method thereof
03/28/2012CN102391436A High temperature resistant and compound salt resistant viscosity reduction agent for drilling fluid and preparation method thereof
03/28/2012CN102391418A Hydrophobically associating water-soluble polymer (HAWSP) oil displacement agent and synthesis method thereof
03/28/2012CN102391417A Hydrophobically associating water-soluble polymer (HAWSP) oil displacement agent and preparation method thereof
03/28/2012CN102391383A Modification method for ZG gum for production in oil field and application thereof
03/28/2012CN102391380A Hemp stalk composite cellulose ether and preparation method thereof
03/28/2012CN102389746A Sulfonate trimeric surfactant and preparation method thereof
03/28/2012CN101723992B Methyl glucoside compound, preparation method thereof, lubrication inhibitor containing methyl glucoside compound for drilling fluid
03/28/2012CN101691485B High temperature resistant amphoteric ion polymer fluid loss agent used for drilling fluid and preparation method thereof
03/28/2012CA2753255A1 Methods for reducing biological load in subterranean formations comprising ttpc
03/28/2012CA2752928A1 Novel weight materials for use in cement, spacer and drilling fluids
03/27/2012US8143199 Compositions and methods for water control and strengthening unconsolidated formations
03/27/2012US8143198 Radiation-induced triggering for set-on-command compositions
03/27/2012US8143197 Aqueous fracturing fluid
03/27/2012US8143196 Ceramic microspheres for cementing applications
03/27/2012US8141661 Enhanced oil-based foam drilling fluid compositions and method for making and using same
03/27/2012CA2640109C Methods of treating subterranean formations with heteropolysaccharides based fluids
03/27/2012CA2639770C Friction reducing composition and method
03/27/2012CA2513561C Cement compositions containing flexible, compressible beads and methods of cementing in subterranean formations
03/22/2012WO2012037333A2 Aqueous foaming compositions with high tolerance to hydrocarbons
03/22/2012WO2012036862A1 Mechanisms for treating subterranean formations with embedded additives
03/22/2012WO2012036560A1 Slurry comprising manganomanganic oxide particles and dispersant and method for the production of such slurries
03/22/2012US20120071372 Prevention and remediation of water and condensate blocks in wells
03/22/2012US20120071371 Aqueous particulate slurry compositions and methods of making same
03/22/2012US20120071370 Defoamer formulation and methods for making and using same
03/22/2012US20120071369 Environment Friendly Base Fluid to Replace the Toxic Mineral Oil-Based Base Fluids
03/22/2012US20120071368 Drilling Fluid for Enhanced Rate of Penetration
03/22/2012US20120071367 Environmentally friendly base fluids and methods for making and using same
03/22/2012US20120071366 Complementary surfactant compositions and methods for making and using same
03/22/2012US20120067586 Aqueous foaming compositions with high tolerance to hydrocarbons
03/22/2012US20120067585 Treatment of subterranean formations
03/22/2012US20120067584 Hydrocarbon-based fluid compositions and methods of using same
03/22/2012US20120067581 Mechanism for treating subteranean formations with embedded additives
03/22/2012US20120067577 Magnetically Controlled Delivery of Subterranean Fluid Additives for Use in Subterranean Applications
03/22/2012US20120067576 Treatment fluids containing a biodegradable chelating agent and methods for use thereof
03/22/2012US20120067566 Method for the Use of Nitrates and Nitrate Reducing Bacteria In Hydraulic Fracturing
03/22/2012CA2811510A1 Mechanisms for treating subterranean formations with embedded additives
03/22/2012CA2810345A1 Slurry comprising manganomanganic oxide particles and dispersant and method for the production of such slurries
03/22/2012CA2809280A1 Aqueous foaming compositions with high tolerance to hydrocarbons
03/21/2012EP2431564A1 Method for drilling and completing wells
03/21/2012EP2431443A1 Enhanced method for assisted recovery of petroleum using the technique known as ASP
03/21/2012EP2430111A2 Methods of using viscoelastic surfactant gelled fluids to pre-saturate underground formations
03/21/2012EP2430110A1 Sulfonated internal olefin surfactant for enhanced oil recovery
03/21/2012EP2429984A2 Quaternary ammonium corrosion inhibitor
03/21/2012EP1984599B1 Kerogen extraction from subterranean oil shale resources
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