| 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) |
|---|
| 02/04/2009 | CN100457247C Surface active agent, its formula system and its application in tertiary oil extraction |
| 02/03/2009 | US7485602 Drilling method using isomerized olefins and paraffin hydrocarbons as base oils for invert emulsion oil muds |
| 02/03/2009 | US7485185 Hydraulically-active cement and spherical zeolite; the flexural strength to compressive strength ratio of the cured cement is 0.29 to 0 80; for cementing an oil or gas well |
| 02/03/2009 | US7484560 Process for enhanced recovery of crude oil from oil wells using novel microbial consortium |
| 02/03/2009 | US7484322 Digging and backfill apparatus |
| 02/03/2009 | CA2553892C Contained micro-particles for use in well bore operations |
| 01/29/2009 | WO2009015089A2 Methods of and formulations for reducing and inhibiting the growth of the concentration of microbes in water-based fluids and systems used with them |
| 01/29/2009 | WO2009015088A2 Methods of and formulations for reducing and inhibiting the growth of the concentration of microbes in water-based fluids and systems used with them |
| 01/29/2009 | WO2009014821A2 Method for recovering crude oil from a subterranean formation |
| 01/29/2009 | WO2009014585A1 Method for controlling loss of drilling fluid |
| 01/29/2009 | WO2008095114A3 Oxidized and maleated compounds and compositions |
| 01/29/2009 | US20090029880 Composition containing lonic liquid clay stabilizers and/or shale inhibitors and method of using the same |
| 01/29/2009 | US20090029879 Process for enhanced oil recovery using a microbial consortium |
| 01/29/2009 | US20090029878 Drilling fluid, drill-in fluid, completition fluid, and workover fluid additive compositions containing thermoset nanocomposite particles; and applications for fluid loss control and wellbore strengthening |
| 01/29/2009 | US20090025933 System, Method, and Apparatus for Acid Fracturing with Scale Inhibitor Protection |
| 01/29/2009 | CA2694024A1 Method for recovering crude oil from a subterranean formation |
| 01/29/2009 | CA2689912A1 Method for controlling loss of drilling fluid |
| 01/28/2009 | EP2019131A1 Methods of using settable compositions in a subterranean formation |
| 01/28/2009 | EP2018405A2 Use of composite materials based on carbon nanotubes as thickening agents for aqueous solutions |
| 01/28/2009 | EP1971636A4 Water absorbing polymers for treatment of brines and water-based drilling fluids |
| 01/28/2009 | EP1951666B1 Pyroglutamic acid esters with improved biodegradability |
| 01/28/2009 | CN101356250A Drilling fluid comprising a polymer and use of the polymer in a drilling fluid |
| 01/28/2009 | CN101353958A Acid fracturing process of oil gas well mining temperature control various mucic acid |
| 01/28/2009 | CN101353571A Oil and water well slag plugging agent |
| 01/28/2009 | CN101353570A Heavy crude thermal recovery steamed well slag plugging agent |
| 01/28/2009 | CN101353569A Controllable cross linked gel water blockage plugging material |
| 01/28/2009 | CN101353568A KL bean vegetable gum type environment-protective slurry and preparation thereof |
| 01/27/2009 | US7482311 injecting oilfield treatment fluid containing polylactic homo or copolymer as acid generator and a solid acid reactive agent ( Mg/OH/, CaCO3 etc.) into a wellbore, penetrating formation, causing fluid to contact the formation surface, forming a filter cake, hydrolyzing acid generating precursor |
| 01/27/2009 | US7482310 preparing a fracturing fluid containing water-in oil emulsion of homo or copolymer of acrylamide, hydrophobic oil phase (mineral oil, paraffinc oil) a surfactant e.g. polyoxyethylene derivatives of sorbitan esters; solvent ( ethylene carbonate), inorganic microparticles, silica; contacting formations |
| 01/27/2009 | US7482309 Methods of drilling wellbores using variable density fluids comprising coated elastic particles |
| 01/27/2009 | US7481276 Method of inhibiting and/or preventing corrosion in oilfield treatment applications |
| 01/27/2009 | US7481273 wells may be treated with a water-in-oil emulsion for the removal or inhibition of unwanted particulates, including pipe dope, asphaltenes and paraffins |
| 01/27/2009 | CA2247483C Chemically induced stimulation of subterranean carbonaceous formations with aqueous oxidizing solutions |
| 01/25/2009 | CA2594579A1 Loss circulation pill |
| 01/22/2009 | WO2009012455A1 Proppants with carbide and/or nitride phases |
| 01/22/2009 | WO2009012374A1 Methods for producing oil and/or gas |
| 01/22/2009 | WO2009010659A2 Use of a fluid composition with delayed cross-linking for holding a casing inside a drill hole, and method for reinforcing a drill hole |
| 01/22/2009 | WO2009009886A1 Resin coated proppant slurry compositions and methods of making and using same |
| 01/22/2009 | WO2008146011A3 Well cementing methods |
| 01/22/2009 | US20090023617 Friction reducer performance by complexing multivalent ions in water |
| 01/22/2009 | US20090023616 Aqueous fracturing fluid |
| 01/22/2009 | US20090023615 Polymer Delivery In Well Treatment Applications |
| 01/22/2009 | US20090023614 Polymer Delivery in Well Treatment Applications |
| 01/22/2009 | US20090023613 Polysaccharide Treatment Fluid and Method of Treating a Subterranean Formation |
| 01/22/2009 | US20090023612 Generation of materials with enhanced hydrogen content from anaerobic microbial consortia |
| 01/22/2009 | US20090023611 Generation of materials with enhanced hydrogen content from microbial consortia including thermotoga |
| 01/22/2009 | CA2693942A1 Methods for producing oil and/or gas |
| 01/22/2009 | CA2693427A1 Resin coated proppant slurry compositions and methods of making and using same |
| 01/22/2009 | CA2693246A1 Preparing a hydratable polymer concentrate for well treatment applications |
| 01/21/2009 | EP2017321A1 A method for avoiding or reducing permeation of soil particles in a hydrocarbon well |
| 01/21/2009 | EP2016106A1 Copolymers as scale inhibitors |
| 01/21/2009 | EP1509676B1 Use of surface-modified nanoparticles for oil recovery |
| 01/21/2009 | CN101351523A Degradable material assisted diversion or isolation |
| 01/21/2009 | CN101348711A Drill-feeding plugging agent and preparation thereof |
| 01/20/2009 | US7479521 Flocculating and/or superabsorbing thickening agents; storage stable emulsions; detergents, cosmetics, oil recovery, water treatment, drilling fluids |
| 01/20/2009 | CA2469719C Composition for use in sealing a porous subterranean formation, and methods of making and using |
| 01/20/2009 | CA2291417C Corrosion inhibitor compositions |
| 01/18/2009 | CA2604382A1 Polyalkylated arylalkyl sulfonic acids and their salts |
| 01/15/2009 | WO2009009343A2 Methods and compositions for preventing high density well completion fluid loss |
| 01/15/2009 | WO2009008724A1 A method for avoiding or reducing permeation of soil particles in a hydrocarbon well |
| 01/15/2009 | WO2009007689A1 Method for treatment of underground reservoirs |
| 01/15/2009 | WO2009007325A2 Low-density composite |
| 01/15/2009 | WO2009006731A1 Drilling fluid additive for reducing lost circulation in a drilling operation |
| 01/15/2009 | WO2008138957A3 System for drilling a wellbore |
| 01/15/2009 | US20090018036 Conformance improvement additive, conformance treatment fluid made therefrom, method of improving conformance in a subterranean formation |
| 01/15/2009 | US20090014178 Well treatment |
| 01/15/2009 | CA2790667A1 Methods and compositions for preventing high density well completion fluid loss |
| 01/15/2009 | CA2696895A1 Low-density composite |
| 01/15/2009 | CA2692794A1 Methods and compositions for preventing high density well completion fluid loss |
| 01/14/2009 | EP2013310A2 Compositions and methods for delivering an organic solvent to a downhole portion of a wellbore or pipeline |
| 01/14/2009 | CN101343339A Salt (hot) thickening water-soluble polymer |
| 01/14/2009 | CA2618817A1 Oil recovery process employing amphoteric surfactants |
| 01/13/2009 | US7476644 Method and materials for hydaulic fracturing of wells |
| 01/13/2009 | US7476318 Drilling mud tank |
| 01/13/2009 | CA2485777C Method for controlling the fluid loss properties of viscoelastic surfactant based fluids |
| 01/08/2009 | WO2009006575A1 Method for treatment of high ph silica brines |
| 01/08/2009 | WO2009006326A2 Gravel-packing carrier fluid with internal breaker |
| 01/08/2009 | WO2009006251A1 Single phase microemulsions and in situ microemulsions for cleaning formation damage |
| 01/08/2009 | WO2009005503A1 Diesel oil-based invert emulsion drilling fluids and methods of drilling boreholes |
| 01/08/2009 | WO2009003857A1 Oil formulation for preventing water penetration in underground formations |
| 01/08/2009 | WO2008079855A3 Enhanced oil recovery systems and consumer products containing secondary alcohol derivatives |
| 01/08/2009 | US20090011960 Drilling fluid composition comprising hydrophobically associating polymers and methods of use thereof |
| 01/08/2009 | US20090008094 Method of Treating Subterranean Formations With Porous Ceramic Particulate Materials |
| 01/08/2009 | CA2692961A1 Method for treatment of high ph/silica brines |
| 01/08/2009 | CA2691860A1 Oil formulation for preventing water penetration in underground formations |
| 01/08/2009 | CA2691804A1 Gravel-packing carrier fluid with internal breaker |
| 01/08/2009 | CA2688665A1 A method for the fracture stimulation of a subterranean formation having a wellbore by using thermoset polymer nanocomposite particles as proppants, where said particles are prepared by using formulations containing reactive ingredients obtained or derived from renewable feedstocks |
| 01/07/2009 | EP2010753A2 Chemical amendments for the stimulation of biogenic gas generation in deposits of carbonaceous material |
| 01/07/2009 | EP2010624A1 Consolidated proppants with high mechanical stability and method for production thereof |
| 01/07/2009 | EP2010623A1 Rheology enhancers |
| 01/07/2009 | EP2010622A1 Method and chemical agent for reduction of water production from oil and gas containing wells |
| 01/07/2009 | EP2010461A1 Oil-, hot water- and heat-resistant binders, process for preparing them and their use |
| 01/07/2009 | CN101338186A Composite fiber rapid solidification sand prevention agent |
| 01/07/2009 | CN101338185A Oil-soluble drag reducer |
| 01/07/2009 | CN101338184A Water-dispersible oil well cement adulterant |
| 01/07/2009 | CN101338183A Anti-salt high-density cement mortar |
| 01/07/2009 | CN101336642A Inhibitor for preventing sulfate reducing bacteria corrosion |
| 01/07/2009 | CN100449111C System for sealing a space in a wellbore |
| 01/07/2009 | CN100448901C Cellulose grafted polymer material and its preparation process and usage |
| 01/06/2009 | US7473672 Administering down a gas or oil well polymeric particles having covalently bound well treatment chemicals, such as scale inhibitors, foaming agents, corrosion inhibitors, biocides, surfactants, and oxygen scavengers; the bonds can be split in an aqueous environment to release the chemical; filter tubes |