| 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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| 06/26/2013 | CN103173201A High temperature resistant clean fracturing fluid |
| 06/26/2013 | CN103173200A Water-base fracturing fluid and method for preparing same |
| 06/26/2013 | CN103173199A Novel JQ well killing protection liquid |
| 06/26/2013 | CN103173198A Amphoteric gemini surfactant capable of being used as oil displacement agent |
| 06/26/2013 | CN103173197A Gemini surfactant, preparation method thereof, and application thereof in tertiary oil recovery |
| 06/26/2013 | CN103173196A High-efficiency oil-displacing agent |
| 06/26/2013 | CN103173195A High-temperature-resistant sand-control support agent and high-temperature-resistant sand-control curing system |
| 06/26/2013 | CN103173194A Stable imidazoline solutions |
| 06/26/2013 | CN103172815A Raw material composition of modified polyurethane material, and preparation method and application thereof |
| 06/26/2013 | CN103172354A Preparation method of fracturing propping agent for exploiting shale gas |
| 06/26/2013 | CN103172349A Proppant prepared by utilizing tailings of magnesium ore and iron ore and preparation method thereof |
| 06/26/2013 | CN102453475B Leak-stopping agent for petroleum drilling, preparation method, and application thereof |
| 06/26/2013 | CN102443381B Base liquid of synthetic base drilling fluid |
| 06/26/2013 | CN102250609B Low-friction-resistance weighted acid fracturing working fluid |
| 06/26/2013 | CN102250607B Fracturing fluid flowback agent for oil well fracturing construction |
| 06/26/2013 | CN102250603B Separated injection oil well composite blocking remover and injection method thereof |
| 06/26/2013 | CN102250602B Composite acid blockage removing agent for oil well |
| 06/26/2013 | CN102191028B Oil-soluble viscosity breaker composition |
| 06/26/2013 | CN102010702B Oil-well cement additive against carbon dioxide corrosion as well as preparation method and application thereof |
| 06/26/2013 | CN102010701B Oil-well cement additive for preventing corrosion of hydrogen sulfide as well as preparation method and application thereof |
| 06/26/2013 | CN101906294B Well wall protective agent of gas drilling well stratum under water yielding condition |
| 06/26/2013 | CN101691839B Ultra-low resistance acid-type microemulsion plugging removal and stimulation technology for low permeability oil well |
| 06/26/2013 | CN101560379B Rapid solidification material for mining |
| 06/25/2013 | US8470907 Additive for cementing wells |
| 06/25/2013 | US8470747 Carboxylic acid and oxidizer clean-up compositions and associated methods of use in subterranean applications |
| 06/25/2013 | US8470746 Methods relating to the stabilization of hydrophobically modified hydrophilic polymer treatment fluids under alkaline conditions |
| 06/25/2013 | US8469118 Drilling fluid containing carbon nanotubes |
| 06/25/2013 | US8469094 Additive for controlling cement slurry rheology |
| 06/25/2013 | CA2739175C Additives to suppress silica scale build-up |
| 06/25/2013 | CA2738978C Prevention of water intrusion into particulates |
| 06/23/2013 | CA2798799A1 Lost circulation materials and methods of using same |
| 06/21/2013 | CA2807827A1 Modified cellulosic polymer for improved well bore fluids |
| 06/20/2013 | WO2013090775A1 Compositions and methods for treatment of well bore tar |
| 06/20/2013 | WO2013090652A1 Polylactide fibers |
| 06/20/2013 | WO2013090614A1 Light co-solvent compositions |
| 06/20/2013 | WO2013090347A1 Copolymers for use as paraffin behavior modifiers |
| 06/20/2013 | WO2013089967A1 Wellbore servicing compositions and methods of making and using same |
| 06/20/2013 | WO2013089897A2 Fluid stimulation of long well intervals |
| 06/20/2013 | WO2013089896A2 Hydrocarbon recovery operations fluids and methods for using the same |
| 06/20/2013 | WO2013089802A1 Composition and method for reducing hydrate agglomeration |
| 06/20/2013 | WO2013087844A1 Method for producing coated proppants |
| 06/20/2013 | WO2013087588A1 Compositions and methods for servicing subterranean wells |
| 06/20/2013 | WO2013087214A1 Enhanced oil recovery using novel polyacrylamides |
| 06/20/2013 | WO2013016641A3 Methods of coating wellbore tools and components having such coatings |
| 06/20/2013 | WO2012063199A8 Formate salts for increased stability of polyacrylamide fluids |
| 06/20/2013 | US20130157906 Nano-Sized Particle-Coated Proppants for Formation Fines Fixation in Proppant Packs |
| 06/20/2013 | US20130157905 Method for the Removal or Suppression of Interfering Metal Ions Using Environmentally Friendly Competitive Binders |
| 06/20/2013 | US20130157904 Green coal bed methane fracturing fluid compositions, methods of preparation and methods of use |
| 06/20/2013 | US20130157903 Spacer Fluids Containing Cement Kiln Dust and Methods of Use |
| 06/20/2013 | US20130157902 High Molecular Weight Low Polydispersity Polymers |
| 06/20/2013 | US20130157901 High Molecular Weight Low Polydispersity Polymers |
| 06/20/2013 | US20130153234 Slickwater fracturing fluid |
| 06/20/2013 | US20130153232 Methods and compositions for reducing permeability of a subterranean formation |
| 06/20/2013 | US20130153225 Compositions and Methods for Treatment of Well Bore Tar |
| 06/20/2013 | US20130153223 Wellbore Servicing Compositions and Methods of Making and Using Same |
| 06/20/2013 | US20130153214 Compositions Containing Kiln Dust and/or Biowaste Ash and Methods of Use |
| 06/20/2013 | DE102011121254A1 Verfahren zur Herstellung beschichteter Proppants A process for producing coated proppants |
| 06/20/2013 | CA2858089A1 Copolymers for use as paraffin behavior modifiers |
| 06/20/2013 | CA2857959A1 Wellbore servicing compositions and methods of making and using same |
| 06/20/2013 | CA2857054A1 Polylactide fibers |
| 06/19/2013 | EP2604636A1 Enhanced oil recovery using polyacrylamides |
| 06/19/2013 | EP2603570A1 Permeable fracturing material |
| 06/19/2013 | EP2603554A2 Wellbore servicing fluid comprising a cellulose ether |
| 06/19/2013 | EP2603532A2 Nonionic hydrophobically substituted cellulose ethers |
| 06/19/2013 | CN103161484A Pasty fluid fixed-length anchoring supporting method |
| 06/19/2013 | CN103160272A Water-based transport fluid of poly-silicon nano material for oil filed injection increase |
| 06/19/2013 | CN103160271A Preparation method for lumpish sand prevention proppant |
| 06/19/2013 | CN103160270A Encapsulated gel breaker for hydraulic fracturing of coalbed methane well, as well as preparation and using methods thereof |
| 06/19/2013 | CN103160269A Water base guanidine gum fracturing fluid and preparation method thereof |
| 06/19/2013 | CN103160268A Nano silicon dioxide/polymer oil-displacing agent and synthesizing method thereof |
| 06/19/2013 | CN103160267A Production process for processing surfactant flooding in petroleum exploitation from pepper seeds |
| 06/19/2013 | CN103160266A Viscosity-reduction, profile-control and oil-displacement oil well additive, oil well combination treating agent and application thereof |
| 06/19/2013 | CN103160265A Preparation method of surface modified nano silicon dioxide colloid |
| 06/19/2013 | CN103160264A Oil well combined treating agent for viscosity reduction, profile control and oil displacement and application thereof |
| 06/19/2013 | CN103160263A Method for preparing base fluid of fracturing fluid by using oil field well site waste water |
| 06/19/2013 | CN103160262A Oil well reservoir fracture plugging agent, and preparation method and application thereof |
| 06/19/2013 | CN103160261A Preparation and use method of downhole intelligent plug |
| 06/19/2013 | CN103160260A Low-toxicity gas condensate drilling fluid |
| 06/19/2013 | CN103160259A 255 DEG C superhigh temperature resistant water-based drilling fluid and construction process thereof |
| 06/19/2013 | CN103160258A Lubricating defoamer for drilling fluid and preparation method thereof |
| 06/19/2013 | CN103160257A Fluorocarbon surfactant, and preparation method and application thereof |
| 06/19/2013 | CN103159681A 2-amino benzimidazole condensed o-oxy sodium acetate benzaldehyde and application thereof |
| 06/19/2013 | CN102633955B Anti-shearing polymer and preparation method thereof |
| 06/19/2013 | CN102516965B Cementing slurry with high temperature, high density and high toughness |
| 06/19/2013 | CN102504773B Saturated salt water drilling fluid for deep wells and extra-deep wells |
| 06/19/2013 | CN102491922B Bishydroxyl sulfoacid betaine surface active agent and synthesis method thereof |
| 06/19/2013 | CN102408881B Boring flushing fluid and preparation method thereof |
| 06/19/2013 | CN102391849B Imidazole polymer oil displacement agent and synthesizing method thereof |
| 06/19/2013 | CN102373045B Seawater-based oil displacement agent and preparation method thereof |
| 06/19/2013 | CN102373043B Displacement agent suitable for MgCl2 injection water and preparation method thereof |
| 06/19/2013 | CN102373041B Oil displacement method by use of seawater base oil displacement agent |
| 06/19/2013 | CN102373040B Composition suitable for seawater-based oil displacement and its preparation method |
| 06/19/2013 | CN102344790B Preparation of corrosion and scale inhibitor for oil field reinjection water |
| 06/19/2013 | CN102226080B Breakdown fluid and preparation method thereof |
| 06/19/2013 | CN102181277B Corrosion inhibitor for controlling corrosion of high-concentration hydrogen sulfide in acid liquor medium and preparation method thereof |
| 06/19/2013 | CN102174314B Organic silicon fluid loss additive and preparation method thereof |
| 06/19/2013 | CN102161885B Outer circulation method for rapidly preparing gelled acid on site |
| 06/19/2013 | CN102060568B Preparation process of loaded water-controlled sand with phase permeability regulating function |
| 06/19/2013 | CN102002349B Seawater-based polyamine well completion fluid and preparation method thereof |
| 06/19/2013 | CN101948680B Preparation method of bitumen particle profile control agent |