| 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) |
|---|
| 06/21/2011 | US7964537 Air drilling misting fluid contains syrups |
| 06/21/2011 | US7963330 Resin compositions and methods of using resin compositions to control proppant flow-back |
| 06/21/2011 | US7963329 Recovery and recycling of chemicals in chemical flooding process |
| 06/21/2011 | CA2812001A1 Method of using dithiazines and derivatives thereof in the treatment of wells |
| 06/21/2011 | CA2726197A1 Method of using corrosion inhibitors of dithiazines and derivatives thereof |
| 06/21/2011 | CA2648234C Rheology enhancers |
| 06/21/2011 | CA2600856C Water absorbing polymers for treatment of brines and water-based drilling fluids |
| 06/21/2011 | CA2459039C Lost circulation materials (lcm's) effective to maintain emulsion stability of drilling fluids |
| 06/21/2011 | CA2434357C Aqueous viscoelastic fluid |
| 06/16/2011 | WO2011072021A2 Polymer composition, swellable composition comprising the polymer composition, and articles including the swellable composition |
| 06/16/2011 | WO2011071747A1 Low interfacial tension surfactants for petroleum applications |
| 06/16/2011 | WO2011070375A1 Use of elastomers to produce gels for treating a wellbore |
| 06/16/2011 | WO2011070323A1 A biodegradable set retarder for a cement composition |
| 06/16/2011 | WO2011022622A3 Improved enhanced oil recovery surfactant composition and method of making the same |
| 06/16/2011 | WO2011019722A3 Water-based mud lubricant using fatty acid polyamine salts and fatty acid esters |
| 06/16/2011 | US20110143972 Scale squeeze treatment systems and methods |
| 06/16/2011 | US20110143971 Volatile-phosphorus free gelling agents |
| 06/16/2011 | US20110143970 Viscoelastic fluids containing hydroxyethyl cellulose |
| 06/16/2011 | US20110143969 Cordierite Having An Increased alpha-Cordierite Phase And A Proppant Containing The Same |
| 06/16/2011 | US20110139454 Method for Providing Thixotrophy to Fluids Downhole |
| 06/16/2011 | US20110139452 Systems and methods for producing oil and/or gas |
| 06/16/2011 | CA2835959A1 Polymer composition, swellable composition comprising the polymer composition, and articles including the swellable composition |
| 06/16/2011 | CA2783831A1 Low interfacial tension surfactants for petroleum applications |
| 06/16/2011 | CA2783662A1 Use of elastomers to produce gels for treating a wellbore |
| 06/16/2011 | CA2783341A1 Polymer composition, swellable composition comprising the polymer composition, and articles including the swellable composition |
| 06/16/2011 | CA2781452A1 A biodegradable set retarder for a cement composition |
| 06/15/2011 | EP2333027A1 Viscoelastic fluids containing hydroxyethyl cellulose |
| 06/15/2011 | EP2333026A1 Method for producing crude oil |
| 06/15/2011 | EP2331787A1 Nitrogen-free invert emulsion wellbore fluid |
| 06/15/2011 | EP2331653A1 Method of installing sand control screens in wellbores containing synthetic or oil-based drilling fluids |
| 06/15/2011 | CN1989313B Alkylxylene sulfonates for enhanced oil recovery processes |
| 06/15/2011 | CN102099545A Method of manufacture and the use of a functional proppant for determination of subterranean fracture geometries |
| 06/15/2011 | CN102093881A Cross-linked oil-in-water emulsified fracturing fluid |
| 06/15/2011 | CN102093880A Water control agent for oil well and preparation method thereof |
| 06/15/2011 | CN102093879A Fracturing fluid additive with emulsion breaking capability |
| 06/15/2011 | CN102093878A Calcium aluminate acidproof ceramic fracturing propping agent and preparation method thereof |
| 06/15/2011 | CN102093877A Technology for introducing coated sand into fracturing modification |
| 06/15/2011 | CN102093876A Hyposmosis thixotropic gel temporary plugging agent for acidifying oil layer of oil field and preparation and application thereof |
| 06/15/2011 | CN102093875A Super guar gum foamed fracturing fluid injected with liquid nitrogen for low-permeability gas reservoir and preparation method thereof |
| 06/15/2011 | CN102093874A Anion type nano compound clean fracturing fluid and preparation method thereof |
| 06/15/2011 | CN102093873A Artificially synthesized polymer fracturing fluid with molecular weight of 500,000 to 10,000,000 |
| 06/15/2011 | CN102093872A Clean fracturing fluid applied to hydraulic fracturing production increasing technology of oil-gas well |
| 06/15/2011 | CN102093871A Cross-linked acid cross-linking agent and preparation method thereof |
| 06/15/2011 | CN102093870A Additive of fracturing fluid |
| 06/15/2011 | CN102093869A Preparation method for oil-soluble thickened oil hydrothermal catalytic cracking viscosity breaking agent |
| 06/15/2011 | CN102093868A Novel microbial wax removal and control system and application thereof |
| 06/15/2011 | CN102093867A Application of polyethylene oxazoline as hydrate inhibitor |
| 06/15/2011 | CN102093866A Method for screening monomeric paraffin inhibitor on basis of styrene-maleic anhydride-octadecanol polymer |
| 06/15/2011 | CN102093865A Blocking remover for polymer pollutants |
| 06/15/2011 | CN102093864A Temporary plugging diversion agent for refracturing of oil-water well and preparation method thereof |
| 06/15/2011 | CN102093863A Ultra-fine cement slurry for blocking |
| 06/15/2011 | CN102093862A Salt-tolerant latex cement slurry for well cementation |
| 06/15/2011 | CN102093861A High temperature-resistant steam huff and puff cement grout |
| 06/15/2011 | CN102093860A High temperature-resistant admixture of steam huff and puff cement grout |
| 06/15/2011 | CN102093859A Drilling leak plugging agent applied to exploration and development of petroleum and natural gas |
| 06/15/2011 | CN102093858A Leak plugging agent applied to exploration and development of petroleum and natural gas |
| 06/15/2011 | CN102093857A Preparation method of drilling fluid |
| 06/15/2011 | CN102093856A Lubricant for well drilling liquid and preparation process thereof |
| 06/15/2011 | CN102093855A Organic soil and preparation method thereof |
| 06/15/2011 | CN102093854A Powered releasing stuck agent for drilling fluid and preparation method thereof |
| 06/15/2011 | CN102093853A Leak protection plugging agent used during drilling for remarkably enhancing plugging effect |
| 06/15/2011 | CN102093509A Method for preparing styrene/maleic anhydride copolymer |
| 06/15/2011 | CN102093507A Process for preparing acid thickener |
| 06/15/2011 | CN102093506A Preparation process for improving intrinsic viscosity and conversion rate of acid thickener |
| 06/15/2011 | CN102093504A High molecular weight salt-resistance and temperature-resistance biopolymer oil displacement agent and preparation method thereof |
| 06/15/2011 | CN102091712A Comprehensive utilization method for sludge generated in ASP flooding sewage treatment process |
| 06/15/2011 | CN102091563A Mixed emulsifier and use thereof in fracturing fluid |
| 06/15/2011 | CN102091542A Method for preparing mixed emulsifier |
| 06/15/2011 | CN101747884B Efficient compound anti-swelling oil displacement agent and method for preparing same |
| 06/15/2011 | CN101492515B Acrylic amide modified graft copolymer, preparation method and application thereof |
| 06/14/2011 | US7960316 Corrosion inhibitor intensifier compositions and associated methods |
| 06/14/2011 | US7960315 acidic treatment fluid containing an acid such as acetic acid,formic acid, hydrochloric acid or an acid generator such aliphatic polyester, polylactic or glycolic acid, polysaccharide gelling agent interact with a component of subterranean formation to dissolve the component |
| 06/14/2011 | US7960314 Microemulsifiers and methods of making and using same |
| 06/14/2011 | US7959743 Lithium salts of fatty alcohol sulphates for cleaning boreholes, boring devices and borings |
| 06/14/2011 | US7958939 Composition and method for producing a pumpable hydrocarbon hydrate slurry at high water-cut |
| 06/09/2011 | WO2011069083A1 Phosphate ester oil gellant |
| 06/09/2011 | WO2011049929A3 High performance guar for hydraulic fracturing and other applications |
| 06/09/2011 | WO2011008570A3 Sulfonate surfactants and methods of preparation and use |
| 06/09/2011 | US20110136707 Engineered powder compact composite material |
| 06/09/2011 | US20110136706 Organosulfonyl latent acids for petroleum well acidizing |
| 06/09/2011 | US20110136705 Phosphate ester oil gellant |
| 06/09/2011 | US20110136704 Methods of Treating a Hydrocarbon-Bearing Formation, a Well Bore, and Particles |
| 06/09/2011 | US20110136703 Compositions for Stimulating Liquid-Sensitive Subterranean Formations |
| 06/09/2011 | US20110136702 Wellbore Fluid Additives and Methods of Producing the Same |
| 06/09/2011 | US20110136701 High performance water based fluids |
| 06/09/2011 | US20110136700 Method and System for Preventing Clathrate Hydrate Blockage Formation in Flow Lines by Enhancing Water Cut |
| 06/09/2011 | US20110132617 Systems and methods for producing oil and/or gas |
| 06/09/2011 | US20110132605 Biodegradable Set Retarder For A Cement Composition |
| 06/08/2011 | EP2329108A1 Injection of liquid into boreholes, with suckback pulsing |
| 06/08/2011 | EP2328699A1 Method for binding non-solid oxidic inorganic materials with etherified aminoplast resins and cured compositions of said materials and etherified aminoplast resins |
| 06/08/2011 | CN102089401A Micro-crosslinked gels and associated methods |
| 06/08/2011 | CN102086391A Hydrophobic guar gum fracturing fluid and use method thereof |
| 06/08/2011 | CN102086390A Solidfree well killing fluid for acidic oil-gas reservoir |
| 06/08/2011 | CN102086389A Temperature-resistant salt-resistant composite foam oil displacement agent for tertiary oil recovery and preparation method thereof |
| 06/08/2011 | CN102086388A Gas self-generating reaction formula of gas self-generating foam system |
| 06/08/2011 | CN102086387A Filtrate reducer of cement slurry and application in cementing |
| 06/08/2011 | CN102086386A Anti-sedimentation agent for cement capable of resisting 200 DEG C of oil well and preparation method thereof |
| 06/08/2011 | CN102086385A Method for determining organic chrominum cross-linkage gel system based on low molecular weight high concentration polymer |
| 06/08/2011 | CN102086384A Method for determining secondary organic chrome crosslinked gel system |
| 06/08/2011 | CN102086383A High-density water-based drilling fluid |