| 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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| 01/27/2010 | CN101633836A Quick-setting early strength cement slurry for ground pregrouting reinforcement |
| 01/27/2010 | CN101633835A Heavy oil thermal recovery fleeing proof agent |
| 01/27/2010 | CN100584920C Sea water silicate drilling fluids |
| 01/26/2010 | US7652074 Oil-in-water-in-oil emulsion |
| 01/26/2010 | US7652073 Drive fluid in an enhanced oil recovery operation to recover hydrocarbons from a subterranean reservoir; lubricants; resistant to shear forces; dispersion of water, crude oil or crude oil distillate and naphthenic acid |
| 01/26/2010 | US7651983 circulating wellbore fluid comprising a base fluid e.g. an oleginous fluid and a non-oleaginous fluid and a micronized weighting agent API grade barite; characterized as having one of an equivalent weight, an equivalent or lower settling rate and sag than a baseline wellbore fluid; prolonging tool life |
| 01/26/2010 | US7651982 water, HCl, a cationic HCl corrosion inhibitor e.g. alkylquinoline quaternary ammonium compound and a conjugate ion pair of a cationic amine oxide (dimethylcocoalkylamine oxid) surfactant and an anionic surfactant (Na-laureth sulfate) that does not react with the cationic corrosion inhibitor |
| 01/26/2010 | US7651981 Recovering materials |
| 01/26/2010 | US7651980 High temperature filtration control using water based drilling fluid systems comprising water soluble polymers |
| 01/26/2010 | US7651040 Additive for increasing the density of an oil-based fluid and fluid comprising such additive |
| 01/26/2010 | CA2576075C Surfactants not toxic to bacteria |
| 01/26/2010 | CA2547150C A method for foaming a hydrocarbon drilling fluid and for producing light weight hydrocarbon fluids |
| 01/26/2010 | CA2364250C Cementing compositions and foaming of such compositions for application to cementing oil wells or the like |
| 01/25/2010 | CA2674182A1 Green coal bed methane fracturing fluid composition, methods of preparation and methods of use |
| 01/25/2010 | CA2674115A1 Polysaccharide treatment fluid and method of treating a subterranean formation |
| 01/25/2010 | CA2638375A1 Method of fracturing using ultra lightweight proppant suspensions and gaseous streams |
| 01/23/2010 | CA2639030A1 Mutual solvent system and method for improved oil and gas permeability in high temperature formations |
| 01/23/2010 | CA2638266A1 Compositions and methods for mitigating or preventing emulsion formation in hydrocarbon bodies |
| 01/21/2010 | WO2010008743A2 Methods of delaying the curing of moisture sensitive curable elastomers |
| 01/21/2010 | WO2010007397A2 Method for inhibiting corrosion |
| 01/21/2010 | WO2010007222A1 Method for the assisted recovery of hydrocarbons using associative polymers |
| 01/21/2010 | US20100016184 Orthoester-Based Surfactants and Associated Methods |
| 01/21/2010 | US20100016183 Sealant Compositions and Methods Utilizing Nano-Particles |
| 01/21/2010 | US20100016182 Method of treating a well with a gel stabilizer |
| 01/21/2010 | US20100016181 The Use of Biphenyl, Terphenyl, and Fluorene Sulphonic Acid Based Tracers for Monitoring Streams of Fluid |
| 01/21/2010 | US20100016180 Method of Increasing Lubricity of Brine-based Drilling Fluids and Completion Brines |
| 01/21/2010 | US20100016179 Wellbore Fluid |
| 01/21/2010 | CA2731197A1 Method for inhibiting corrosion |
| 01/21/2010 | CA2728489A1 Method for the assisted recovery of hydrocarbons using associative polymers |
| 01/20/2010 | CN101631842A Cement compositions comprising humic acid grafted fluid loss control additives and methods of using them |
| 01/20/2010 | CN101629075A Oil fracturing proppant containing coal gangue |
| 01/20/2010 | CN101629074A Formulation for preparing fracturing fluid from biological enzyme preparation |
| 01/20/2010 | CN101629073A Preparation method of stable oil displacement agent for clay and application thereof |
| 01/20/2010 | CN101629072A Oil field acidification high temperature inhibiter and preparation method thereof |
| 01/20/2010 | CN101629071A Natural gas hydrate inhibitor |
| 01/20/2010 | CN100582192C Insulating liquid for injecting cement in oil well |
| 01/19/2010 | US7648946 Methods of degrading filter cakes in subterranean formations |
| 01/19/2010 | CA2580527C Zeolite compositions for lowering maximum cementing temperature |
| 01/19/2010 | CA2496117C Gas hydrate inhibitors |
| 01/19/2010 | CA2434345C Aqueous viscoelastic fluid |
| 01/14/2010 | WO2010004259A1 Sorel cements and methods of making and using same |
| 01/14/2010 | WO2009142846A3 Suspension of concentrated particulate additives containing oil for fracturing and other fluids |
| 01/14/2010 | WO2009142845A3 Mutual solvent-soluble and/or alcohol blends-soluble particles for viscoelastic surfactant fluids |
| 01/14/2010 | US20100010108 Well cementing material |
| 01/14/2010 | US20100009874 Precipitated weighting agents for use in wellbore fluids |
| 01/14/2010 | US20100009873 Thermally Stable Compositions and Use Thereof in Drilling Fluids |
| 01/14/2010 | US20100006286 Composition of microemulsion and method for advanced recovery of heavy oil |
| 01/14/2010 | CA2822128A1 Carbon removal from an integrated thermal recovery process |
| 01/13/2010 | EP2142759A2 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 formula tions containing reactive ingredien ts obtained or derived from renewable feedstocks |
| 01/13/2010 | EP2142616A1 Aqueous particulate slurry compositions and methods of making same |
| 01/13/2010 | EP2142615A1 Fluid pressure transmission pill |
| 01/13/2010 | EP1776435B1 Granules of powdery mineral and method for production of granules |
| 01/13/2010 | CN101627101A Low-density ceramic proppant and its production method |
| 01/13/2010 | CN101624518A Inhibitor suitable for corrosion prevention of pitshaft of CO2 driving extraction shaft |
| 01/13/2010 | CN101624517A Ferrimanganic lignosulfonate diluent agent for drilling fluid and preparation process thereof |
| 01/13/2010 | CN101624516A Fluid loss additive of oil-base drilling fluid and preparation method thereof |
| 01/13/2010 | CN101624515A Organic clay with high jellification rate in white oil and preparation method thereof |
| 01/12/2010 | US7645725 Filling formations with guar containing solutions; multimodal molecular weight distribution |
| 01/12/2010 | US7645724 Compositions and use of mono- and polyenoic acids for breaking VES-gelled fluids |
| 01/12/2010 | US7645723 Ecological compatibility, stability, performance; invert emulsion base, thinners, emulsifiers and weighting agents; deep water wells; free of organophilic clays |
| 01/12/2010 | US7644764 Polyelectrolyte complexes as delayed gelling agents for oil and gas applications |
| 01/12/2010 | CA2566627C Compositions and methods for water control and strengthening unconsolidated formations |
| 01/12/2010 | CA2556648C Non-emulsifying anti-sludge composition for use in the acid treatment of hydrocarbon wells |
| 01/12/2010 | CA2555098C Methods for effecting controlled break in ph dependent foamed fracturing fluid |
| 01/12/2010 | CA2416184C Compositions for controlling scaling and completion fluids |
| 01/12/2010 | CA2358924C Isomerization process |
| 01/12/2010 | CA2335266C Solids-free viscous fluids |
| 01/09/2010 | CA2670358A1 Composition of microemulsion and method for advanced recovery of heavy oil |
| 01/07/2010 | WO2010001323A1 System, method, and apparatus for injection well clean-up operations |
| 01/07/2010 | WO2010001297A1 Leak-off control agent |
| 01/07/2010 | WO2010001206A1 Use, as thickening agent, of a salty aqueous formulation of a water-soluble cross-linked and hydrophobically-modified acrylic copolymer |
| 01/07/2010 | WO2010001002A1 Novel method for the treatment of rock formations and novel polyampholytes |
| 01/07/2010 | WO2010000787A1 Method of secondary oil recovery |
| 01/07/2010 | US20100004351 Fluid Loss Control Agents and Compositions for Cementing Oil and Gas Wells Comprising said Fluid Loss Control Agent |
| 01/07/2010 | US20100004146 Leak-Off Control Agent |
| 01/07/2010 | US20100004145 Fluid loss pills |
| 01/07/2010 | US20100000791 Method to detect formation pore pressure from resistivity measurements ahead of the bit during drilling of a well |
| 01/07/2010 | CA2728780A1 Use, as thickening agent, of a salty aqueous formulation of a water-soluble cross-linked and hydrophobically-modified acrylic copolymer |
| 01/07/2010 | CA2727321A1 Method of secondary oil recovery |
| 01/06/2010 | EP2140103A1 Compositions and methods for treating a water blocked well |
| 01/06/2010 | EP2139968A2 Treatment for recycling fracture water - gas and oil recovery in shale deposits |
| 01/06/2010 | EP2139933A1 Method for treating a formation with a solvent |
| 01/06/2010 | EP1292651B1 Viscoelastic surfactants and compositions containing same |
| 01/06/2010 | CN101619210A Carbon dioxide foam stabilizer suitable for low-permeability oil deposit |
| 01/06/2010 | CN101619209A New application and composition of amide sodium sulfonate as oil field additive |
| 01/06/2010 | CN101619208A Acid-resisting and oil-resisting type foam plugging agent |
| 01/06/2010 | CN100577983C Gravel filling method |
| 01/06/2010 | CN100577877C Method for synthesizing mannich alkali steel inhibitor mother liquor and steel inhibitor mother liquor |
| 01/05/2010 | US7640981 Scale inhibition method |
| 01/05/2010 | US7640978 Extracting and transporting anaerobic formation water containing said microorganism from a subterranean carbonaceous formation in an anaerobic state; concentrating and stimulating biogenic production of metabolites, hydrogen, methane (combustible biogenic gases); methanobacter; biofuel/hydrocarbons/ |
| 01/05/2010 | CA2552657C Non-volatile phosphorus hydrocarbon gelling agent |
| 01/02/2010 | CA2670893A1 Enhanced oil-based foam drilling fluid compositions and method for making and using same |
| 12/31/2009 | US20090325826 Method for changing the wettability of rock formations |
| 12/31/2009 | US20090325825 Method of Minimizing or Reducing Salt Deposits By Use of a Fluid Containing a Fructan and Derivatives Thereof |
| 12/31/2009 | US20090325824 Mixture for improved foaming in the extraction of petroleum or natural gas |
| 12/31/2009 | US20090325823 Gas hydrate protection with heat producing two-component gas hydrate inhibitors |
| 12/31/2009 | US20090324344 Biosealing |
| 12/30/2009 | WO2009158478A2 Method for changing the wettability of rock formations |
| 12/30/2009 | WO2009158340A2 Improved well drilling method for prevention of lost circulation of drilling muds |
| 12/30/2009 | WO2009156372A1 Copolymer for shale stabilization and method of use |