| 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) |
|---|
| 05/13/2009 | CN101432239A Oil-, hot water- and heat-resistant binders, process for preparing them and their use |
| 05/13/2009 | CN101429429A High-strength, high-density porcelain granule support agent and method of producing the same |
| 05/13/2009 | CN101429428A Process for producing solid-phase chemical cleanser for drilling fluid |
| 05/13/2009 | CN101429427A Process for preparing drilling fluid finishing agent of amphoteric ion sulphonate polymer |
| 05/13/2009 | CN101429426A Process for preparing inorganic-organic monomer polymer drilling fluid finishing agent |
| 05/13/2009 | CN101429425A Process for preparing vinyl sulphonate polymer drilling fluid finishing agent |
| 05/13/2009 | CN101429424A Di-kalium ion-polymer drilling fluid with strong rejection capability |
| 05/13/2009 | CN100487073C Hydrolysiable high elastic well remending liquid temperary blocking agent |
| 05/12/2009 | US7531484 Methods and solutions for removing HEC-based CFLA from a subterranean formation |
| 05/12/2009 | US7531483 Energized fluids and methods of use thereof |
| 05/12/2009 | US7530408 Method of consolidating an underground formation |
| 05/12/2009 | US7530394 Cement compositions for low temperature applications |
| 05/12/2009 | CA2526673C Methods and compositions for breaking viscosified fluids |
| 05/12/2009 | CA2487927C Particulate material having multiple curable coatings and methods for making and using same |
| 05/07/2009 | WO2009059160A1 High temperature aqueous-based zirconium fracturing fluid and use |
| 05/07/2009 | WO2009058889A1 Improved enhanced oil recovery surfactant formulation and method of making the same |
| 05/07/2009 | WO2009058590A2 Addition of nonionic surfactants to water soluble block copolymers to increase the stability of the copolymer in aqueous solutions containing salt and/or surfactants |
| 05/07/2009 | WO2009058589A2 Addition of zwitterionic surfactant to water soluble polymer to increase the stability of the polymers in aqueous solutions containing salt and/or surfactants |
| 05/07/2009 | WO2009056430A1 Additive for controlling cement slurry rheology |
| 05/07/2009 | WO2009009343A3 Methods and compositions for preventing high density well completion fluid loss |
| 05/07/2009 | US20090118145 Method for producing proppant using a dopant |
| 05/07/2009 | US20090118144 treating subterranean formation penetrated by wellbore to mitigate production of unwanted air from wellbore by introducing into wellbore a treatment fluid containing water-wetting surfactant and carrier fluid |
| 05/07/2009 | US20090118143 Methods for Manipulation of the Flow of Fluids in Subterranean Formations |
| 05/07/2009 | US20090114450 Controlled Variable Density Fluid for Wellbore Operations |
| 05/07/2009 | US20090114394 Method of Using Water-in-Oil Emulsion to Remove Oil Base or Synthetic Oil Base Filter Cake |
| 05/07/2009 | CA2704542A1 High temperature aqueous-based zirconium fracturing fluid and use |
| 05/07/2009 | CA2704177A1 Addition of nonionic surfactants to water soluble block copolymers to increase the stability of the copolymer in aqueous solutions containing salt and/or surfactants |
| 05/07/2009 | CA2704171A1 Addition of zwitterionic surfactant to water soluble polymer to increase the stability of the polymers in aqueous solutions containing salt and/or surfactants |
| 05/07/2009 | CA2702610A1 Improved enhanced oil recovery surfactant formulation and method of making the same |
| 05/06/2009 | EP2055686A1 Additive for controlliing cement slurry rheology |
| 05/06/2009 | EP2054486A2 Friction reduction fluids |
| 05/06/2009 | EP2054485A2 Compositions and methods for improving the productivity of hydrocarbon producing wells |
| 05/06/2009 | EP2054174A2 Subsurface reactive sealant product |
| 05/06/2009 | EP1252263B1 Inhibition of asphaltene deposition in crude oil production systems |
| 05/06/2009 | CN101423756A Gas well water blocking damage treating agent |
| 05/06/2009 | CN101423755A Formula of gas well water blocking damage treating agent |
| 05/06/2009 | CN101423754A Composite catalytic viscosity reducer for steam injection to thickened oil and preparation method and use thereof |
| 05/06/2009 | CN101423753A Profile control agent special for thermal recovery for heavy crude well |
| 05/06/2009 | CN101423752A Lubricant for drilling fluids and preparation method thereof |
| 05/06/2009 | CN100485159C Air well single-way closing agent and its formulating method |
| 05/05/2009 | US7528096 Spherical multi-modal packed particulates; particle diameter ;of the first mode is at least 50% greater than that of the second model; ultra-light weight; improved compressive strength and stress tolerance at high temperatures and pressures; hydraulic fracturing |
| 05/05/2009 | US7528095 Removing cuttings from the bit by circulating a drilling fluid containing a polysaccharide and a polyacrylamide homopolymer (molecular weight 20,000 to less than 40,000 daltons) to maintain stability of the fluid at greater than 250 degrees F; formate is not required |
| 05/05/2009 | US7527099 System for sealing a space in a wellbore |
| 05/05/2009 | US7527098 Cementing wellbore using formulation containing water, a metal oxide or hydroxide compound, a phosphate compound, a borate compound, and a sugar; thickening time is sufficient to allow the cement to be placed in its desired location in the wellbore before setting |
| 05/05/2009 | US7527097 Methods for using reversible phase oil-based drilling fluid |
| 05/05/2009 | CA2313324C Surfactant compositions for wellbore operations, method of forming same and methods of using same |
| 04/30/2009 | WO2009055200A2 Downhole spectroscopic hydrogen sulfide detection |
| 04/30/2009 | WO2009054843A1 Thermally stable compositions and use thereof in drilling fluids |
| 04/30/2009 | WO2009054733A1 Method of formation of hydrate particles in a water-containing hydrocarbon fluid flow |
| 04/30/2009 | WO2009053455A1 Drilling composition, process for its preparation, and applications thereof |
| 04/30/2009 | WO2009030868A3 Drilling fluid containing carbon nanotubes |
| 04/30/2009 | WO2009006326A3 Gravel-packing carrier fluid with internal breaker |
| 04/30/2009 | US20090111718 Control of Fines Migration In Well Treatments |
| 04/30/2009 | US20090111717 Enhanced oil recovery surfactant formulation and method of making the same |
| 04/30/2009 | US20090111716 Addition of zwitterionic surfactant to water soluble polymer to increase the stability of the polymers in aqueous solutions containing salt and/or surfactants |
| 04/30/2009 | US20090107677 Sealant Composition |
| 04/30/2009 | US20090107672 Method of Treating a Formation Using Deformable Proppants |
| 04/30/2009 | DE102007041217B3 Verwendung von Zusammensetzungen als Korrosionsinhibitoren enthaltend amphotere Tenside und die Zusammensetzungen The use of compositions as corrosion inhibitors containing amphoteric surfactants and the compositions |
| 04/30/2009 | DE102007041216B3 Verwendung von Zusammensetzungen als Korrosionsinhibitoren enthaltend kationische Tenside und die Zusammensetzungen The use of compositions as corrosion inhibitors containing cationic surfactants and the compositions |
| 04/30/2009 | DE102007041215B3 Verwendung von Zusammensetzungen als Korrosionsinhibitoren enthaltend nichtionische Tenside und die Zusammensetzungen The use of compositions as corrosion inhibitors, the compositions containing nonionic surfactants and |
| 04/30/2009 | DE102007041204B3 Verwendung von Zusammensetzung als Korrosionsinhibitoren enthaltend anionische Tenside und die Zusammensetzungen Use of composition as corrosion inhibitors comprising anionic surfactants and the compositions |
| 04/30/2009 | CA2703318A1 Thermally stable compositions and use thereof in drilling fluids |
| 04/30/2009 | CA2702872A1 Drilling composition, process for its preparation, and applications thereof |
| 04/30/2009 | CA2685433A1 Downhole spectroscopic hydrogen sulfide detection |
| 04/29/2009 | EP2053111A1 Drilling composition, process for its preparation, and applications thereof |
| 04/29/2009 | EP2052051A1 Subterranean treatment fluids, friction reducing copolymers, and associated methods |
| 04/29/2009 | EP2052050A1 Well treatment |
| 04/29/2009 | EP2052003A1 Water-soluble and biodegradable copolymers on a polyamide basis and use thereof |
| 04/29/2009 | CN101421373A Zirconium cross-linking composition and methods of use |
| 04/29/2009 | CN101421372A Cross-linking composition and method of use |
| 04/29/2009 | CN101421371A Methods of preparing hydrocarbon, water and organophilic clay emulsions and compositions thereof |
| 04/29/2009 | CN101418213A Cracking and catalytic viscosity reducer for heavy oil production by steam injection and preparation method thereof |
| 04/29/2009 | CN101418212A Low fluorescent film forming filtrate reducer and preparation method thereof |
| 04/29/2009 | CN101418211A Porcelain solid lubricants for drilling fluids |
| 04/29/2009 | CN100482918C Method and device for acid exciting of underwell structure layer |
| 04/28/2009 | US7524796 Environmentally acceptable polymer suspensions for oil field applications |
| 04/28/2009 | CA2513736C Extended particle size distribution ceramic fracturing proppant |
| 04/28/2009 | CA2336439C Stimulating fluid production from unconsolidated formations |
| 04/25/2009 | CA2641332A1 Stimulation method |
| 04/23/2009 | WO2009052142A1 Well treatment fluid compositions and methods of use that include a delayed release percarbonate formulation |
| 04/23/2009 | WO2009050562A2 Method of inhibiting salt precipitation from aqueous streams |
| 04/23/2009 | WO2009050561A2 Method of enhancing adsorption of an inhibitor onto a wellbore region |
| 04/23/2009 | WO2009050432A1 Compositions and methods for treatment of well bore tar |
| 04/23/2009 | WO2009050191A2 Process for the production of a granule of a coated oxidizing compound such granule and uses of the granule |
| 04/23/2009 | WO2009050179A1 Novel surfactants with a polyethersulfonate structure method for production thereof and use thereof for tertiary crude oil production |
| 04/23/2009 | WO2009014585A8 Method for controlling loss of drilling fluid |
| 04/23/2009 | WO2009010659A3 Use of a fluid composition with delayed cross-linking for holding a casing inside a drill hole, and method for reinforcing a drill hole |
| 04/23/2009 | WO2009001098A3 Method of enhancing oil recovery |
| 04/23/2009 | US20090105099 Pumice containing compositions for cementing a well |
| 04/23/2009 | US20090105098 Methods of Inhibiting and/or Preventing Corrosion in Oilfield Treatment Applications |
| 04/23/2009 | US20090105097 Degradable Friction Reducer |
| 04/23/2009 | US20090104358 Corrosion and scale inhibition compositions and methods of use thereof |
| 04/23/2009 | US20090101346 In situ recovery from a hydrocarbon containing formation |
| 04/23/2009 | CA2702931A1 Process for the production of a granule of a coated oxidizing compound such granule and uses of the granule |
| 04/23/2009 | CA2702702A1 Method of inhibiting salt precipitation from aqueous streams |
| 04/23/2009 | CA2702693A1 Method of enhancing adsorption of an inhibitor onto a wellbore region |
| 04/23/2009 | CA2699797A1 Well treatment fluid compositions and methods of use that include a delayed release percarbonate formulation |
| 04/22/2009 | EP2050806A1 Emulgators for drilling fluids |
| 04/22/2009 | EP2049615A1 Well treating materials and methods |
| 04/22/2009 | EP2049614A1 Ceramic proppant with low specific weight |