| 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) |
|---|
| 09/05/2013 | US20130228333 Wellbore Servicing Compositions and Methods of Making and Using Same |
| 09/05/2013 | US20130228332 Derivatives of tris(2-hydroxyphenyl)methanes, preparation thereof and use thereof for mineral oil production |
| 09/05/2013 | US20130228329 Oil Thinning Compositions And Retrieval Methods |
| 09/05/2013 | CA2807994A1 Slump retaining and dispersing agent for hydraulic compositions |
| 09/04/2013 | CN103282392A 含氟弹性体 Fluoroelastomer |
| 09/04/2013 | CN103275694A Clean-water-carrying petroleum proppant for petroleum production of low-permeability petroleum reservoir and preparation method thereof |
| 09/04/2013 | CN103275693A High-efficiency foaming agent for acidic CO2 foam fracturing system |
| 09/04/2013 | CN103275692A Seawater base fracturing fluid |
| 09/04/2013 | CN103275691A Reusable slippery water fracturing fluid for shale oil and gas reservoir |
| 09/04/2013 | CN103275690A Crosslinking agent for polymer hydrofracturing fluid as well as preparation and application of crosslinking agent |
| 09/04/2013 | CN103275689A Association fracturing fluid densifier and preparation method thereof |
| 09/04/2013 | CN103275688A 速溶增稠剂体系 Instant thickener system |
| 09/04/2013 | CN103275687A Thickened oil cold production agent and preparation method and application thereof |
| 09/04/2013 | CN103275686A Water-control low-temperature curing resin coated sand control particle and sand control method |
| 09/04/2013 | CN103275685A Annular suspension protection liquid of annular suspension mechanical seat seal oil well and construction process thereof |
| 09/04/2013 | CN103275684A Oilfield hot-washing oil-base high-efficiency paraffin-removal paraffin inhibitor |
| 09/04/2013 | CN103275683A Oil sand-washing temporary plugging agent prepared from waste baby diapers, and preparation method and application thereof |
| 09/04/2013 | CN103275682A Emulsified acid for water plugging of oil well, preparation method of emulsified acid and oil well water-plugging method using emulsified acid |
| 09/04/2013 | CN103275681A High-temperature-resistant saturated brine drilling fluid and preparation method thereof |
| 09/04/2013 | CN103275680A No-clay low-solid phase horizontal well section drilling fluid and preparation method thereof |
| 09/04/2013 | CN103275679A Viscosity stabilizing agent used for polymer flooding |
| 09/04/2013 | CN103275678A Environmentally-friendly lubricant for drilling fluid and preparation method thereof |
| 09/04/2013 | CN103275229A Preparation method of ultrahigh viscosity sodium carboxymethylcellulose for aqueous fracturing fluid |
| 09/04/2013 | CN103272522A Aromatic group-containing amine oxide type ampholytic surfactant, and preparation method and application thereof |
| 09/04/2013 | CN102627953B Resorcinol profile control agent microcapsule capable of controllable concentrated release at fixed time and preparation method thereof |
| 09/04/2013 | CN102604619B Protective agent for chlorite membrane on oil reservoir pore surface |
| 09/04/2013 | CN102604618B Cold heavy oil production stratum crude oil viscosity reducing agent |
| 09/04/2013 | CN102453167B Polymer oil displacement agent, preparation method thereof, and oil displacement method for oil reservoirs |
| 09/04/2013 | CN102415387B Surface active ionic liquid bactericide and application thereof in sterilization of oilfield injection water |
| 09/04/2013 | CN102407084B Continuous liquid preparation device for high flow concentrated liquid and control system thereof |
| 09/04/2013 | CN102399550B Liquid formula used for in-depth acidification of high temperature carbonate rock |
| 09/04/2013 | CN102399543B Preparation method of partially hydrolyzed polyacrylamide gel blocking agent |
| 09/04/2013 | CN102382634B Composite viscosity stabilizing agent for polymer flooding |
| 09/04/2013 | CN102373034B Novel drilling fluid for low permeability gas reservoir and production method thereof |
| 09/04/2013 | CN102304201B Hydrophobic association crosslinked polymer coil and preparation method thereof |
| 09/04/2013 | CN102257095B Removal of crystallinity in guar based materials and related methods of hydration & subterranean applications |
| 09/04/2013 | CN102250595B Drilling fluid used for active mud shale drilling |
| 09/04/2013 | CN102226078B Oil well sand controlling pretreatment agent for improving sand controlling effect, and application thereof |
| 09/04/2013 | CN102140337B Hydrophobically associating hydroxyethylcellulose oil displacement agent |
| 09/04/2013 | CN102124073B Methods of delaying the curing of moisture sensitive curable elastomers |
| 09/04/2013 | CN102093871B Cross-linked acid cross-linking agent and preparation method thereof |
| 09/04/2013 | CN102031098B Recyclable foam base fluid for sand-washing well |
| 09/04/2013 | CN101993688B Low damage fracturing fluid system |
| 09/04/2013 | CN101970598B Treatment fluids comprising clarified xanthan and associated methods |
| 09/04/2013 | CN101959992B Systems and methods for producing oil and/or gas |
| 09/04/2013 | CN101575966B Method for water plugging and profile controlling of underground polymerization of oil exploitation sludge |
| 09/04/2013 | CN101115906B Composition and method for making a proppant |
| 09/03/2013 | US8524643 Surfactant mixtures for tertiary oil recovery |
| 09/03/2013 | US8524642 Multicomponent viscoelastic surfactant fluid and method of using as a fracturing fluid |
| 09/03/2013 | US8524641 Aqueous foaming compositions with high tolerance to hydrocarbons |
| 09/03/2013 | US8524640 Fluid loss additive for oil-based muds |
| 09/03/2013 | US8524639 Complementary surfactant compositions and methods for making and using same |
| 09/03/2013 | US8524638 Method to characterize fracture plugging efficiency for drilling fluids |
| 09/03/2013 | US8522896 Consistent drilling fluids engineering and management |
| 09/03/2013 | US8522875 Hydrocarbon-based fracturing fluid compositions, methods of preparation and methods of use |
| 09/03/2013 | US8522874 Weak organic acid as gelation retarder for crosslinkable polymer compositions |
| 09/03/2013 | US8522873 Spacer fluids containing cement kiln dust and methods of use |
| 09/03/2013 | US8522872 In situ decomposition of carbonyls at high temperature for fixing incomplete and failed well seals |
| 09/03/2013 | CA2706209C Winterizing agents for oil base polymer slurries and method for making and using same |
| 08/29/2013 | WO2013126639A1 Hybrid aqueous-based suspensions for hydraulic fracturing operations |
| 08/29/2013 | WO2013126287A1 Methods and systems for subterranean bore hole fracture simulation |
| 08/29/2013 | WO2013126233A1 Improving shear bond strength of set cement |
| 08/29/2013 | WO2013126219A1 Modified particulate weighting agents and methods of using the same |
| 08/29/2013 | WO2013126162A1 Exfoliation of asphaltenes for improved recovery of unconventional oils |
| 08/29/2013 | WO2013126138A1 A drilling fluid containing a surfactant having a high boiling point and a long chain tail group and a method of using the fluid |
| 08/29/2013 | WO2013124058A1 Composition comprising an alkoxylated amine compound and a carboxylic acid compound, use thereof in water in oll emulsions and process using the composition as or as part of a drilling fluid |
| 08/29/2013 | WO2013124003A1 Functionalized polyamines for clay mitigation |
| 08/29/2013 | US20130225675 Bacterial control of water based fluids during subsurface injection and subsequent residence time in the subterranean formation |
| 08/29/2013 | US20130225458 Hydrophobic proppant and preparation method thereof |
| 08/29/2013 | US20130225457 Drilling fluid and method for drilling in coal-containing formations |
| 08/29/2013 | US20130225456 Biocide Compositions Comprising Quaternary Ammonium and Urea and Methods for Their Use |
| 08/29/2013 | US20130225455 Fluid composition comprising glass microspheres and method of making and using the same |
| 08/29/2013 | US20130225454 Petroleum ashphaltene handler additive compound |
| 08/29/2013 | US20130225409 Quaternized fatty amines, amidoamines and their derivatives from natural oil metathesis |
| 08/29/2013 | US20130220621 Polyboronic Compounds and Processes of Making and Using the Same |
| 08/29/2013 | US20130220619 Methods For High Solid Content Fluids in Oilfield Applications |
| 08/29/2013 | US20130220608 Modified particulate weighting agents and methods of using the same |
| 08/28/2013 | EP2630214A2 Wellbore cementing compositions and methods of making and using same |
| 08/28/2013 | CN103270134A Method for treating hydrocarbon-bearing formations with fluorinated amine |
| 08/28/2013 | CN103270133A Methods, strains, and compositions useful for microbially enhanced oil recovery: pseudomonas stutzeri |
| 08/28/2013 | CN103270132A Compositions and methods for well completions |
| 08/28/2013 | CN103270131A Novel process for drilling subterranean cavities |
| 08/28/2013 | CN103270130A Drilling fluids having reduced sag potential and related methods |
| 08/28/2013 | CN103265944A Foam stabilizing technology for preparing foam-like fracturing fluid |
| 08/28/2013 | CN103265943A Cross-linking agent for low concentration guanidine gum pressing crack system and preparation technology thereof |
| 08/28/2013 | CN103265942A Acidic cross-linking agent of hydropropyl guar gum and preparation technology of the cross-linking agent |
| 08/28/2013 | CN103265941A Weighting water-based fracturing drag reducer |
| 08/28/2013 | CN103265940A Water base fracture drag reducer |
| 08/28/2013 | CN103265939A Fracturing fluid thickening agent and preparation and application thereof |
| 08/28/2013 | CN103265938A Foam-like fracturing system, preparation method and filling method thereof |
| 08/28/2013 | CN103265937A Gel breaker suitable for foam-like fracturing fluid |
| 08/28/2013 | CN103265936A Rapid plugging agent |
| 08/28/2013 | CN103265935A Flocculation-type composite plugging agent |
| 08/28/2013 | CN103265934A Profile control agent for water injection well, and preparation method and application thereof |
| 08/28/2013 | CN103265816A Low softening point emulsified asphalt for drilling fluid, and preparation method thereof |
| 08/28/2013 | CN103265694A Water soluble ultraviolet ray absorber and preparation method and application thereof |
| 08/28/2013 | CN103265681A Coal-mine gas drainage hole drilling/sealing material and preparation method thereof |
| 08/28/2013 | CN103265662A Crosslinking fluid loss agent preparation method |
| 08/28/2013 | CN102718520B Method for preparing fracturing propping agent using gold tailings |
| 08/28/2013 | CN102627954B Sodium persulfate microcapsule capable of controllable concentrated release at fixed time and preparation method thereof |