| 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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| 01/15/2014 | CN102719232B Bridging particle for shallow casing blind hole |
| 01/15/2014 | CN102676150B Solid acid for acid fracturing capacity increasing revamping |
| 01/15/2014 | CN102660242B Protective solution for low pressure oil-well operations |
| 01/15/2014 | CN102660117B Resin material, composite well repair material and well repair process |
| 01/15/2014 | CN102559166B Ampholytic surfactant fracturing fluid and preparation method thereof |
| 01/15/2014 | CN102482564B Compositions and methods for servicing subterranean wells |
| 01/15/2014 | CN102453473B Organogel blocking agent for water blocking and profile control, and preparation method and application thereof |
| 01/15/2014 | CN102268975B Water plugging construction process of emulsified heavy oil |
| 01/15/2014 | CN102250593B Anti-collapse inhibitor for water-based drilling fluid and preparation method thereof |
| 01/15/2014 | CN102061152B High-strength controllable gelout chemical temporary plugging liquid rubber stopper |
| 01/14/2014 | US8629089 Method of contacting hydrocarbon-bearing formations with fluorinated ether compositions |
| 01/14/2014 | CA2748560C Water treatment method for heavy oil production |
| 01/09/2014 | WO2014008193A1 Enhanced wellbore strengthening solution |
| 01/09/2014 | WO2014008191A1 Enhanced acid soluble wellbore strengthening solution |
| 01/09/2014 | WO2014008190A1 Acid soluble defluidizing pills |
| 01/09/2014 | WO2014007935A1 Biodegradable organophilic clays for drilling fluids |
| 01/09/2014 | WO2014007610A1 Use of an additive composition for cementing bore wells |
| 01/09/2014 | WO2014006002A1 Methods for completing subterranean wells |
| 01/09/2014 | WO2014005993A1 Method for the recovery of petroleum from petroleum deposits having heterogeneous permeability |
| 01/09/2014 | WO2014005778A1 Biodegradable graft copolymer anti -accretion additive for water - based drilling fluids |
| 01/09/2014 | WO2014005207A1 Methods for increasing methanogenesis in subsurface reservoirs |
| 01/09/2014 | US20140011908 Methods for cementing in a subterranean formation using a cement composition containing a set retarder of a polyester |
| 01/09/2014 | US20140011716 Process for disinfecting and stabilizing production water using in-situ hypobromous acid generation |
| 01/09/2014 | US20140011714 Encapsulated Reactant and Process |
| 01/09/2014 | US20140011713 Environment friendly base fluid to replace the toxic mineral oil-based base fluids |
| 01/09/2014 | US20140011712 Biodegradable Organophilic Clays for Drilling Fluids |
| 01/09/2014 | US20140011034 Graphite oxide coated particulate material and uses thereof |
| 01/09/2014 | US20140008067 Well Treatment Fluids and Methods Utilizing Nano-Particles |
| 01/09/2014 | US20140008065 Formulations based on crude glycerol (cg), cellulose ether and urea, process for producing mineral oil from mineral oil deposits having inhomogeneous permeability and process for producing these formulations |
| 01/09/2014 | US20140008058 Methods for increasing methanogenesis in subsurface reservoirs |
| 01/09/2014 | CA2878355A1 Alkylthiophene-rich compositions, uses thereof and methods of manufacturing the same |
| 01/09/2014 | CA2877093A1 Use of an additive composition for cementing bore wells |
| 01/09/2014 | CA2876254A1 Biodegradable graft copolymer anti-accretion additive for water-based drilling fluids |
| 01/09/2014 | CA2876087A1 Processes for producing mineral oil from mineral oil deposits having inhomogeneous permeability |
| 01/09/2014 | CA2875676A1 Biodegradable organophilic clays for drilling fluids |
| 01/08/2014 | EP2682445A1 Formulations on the basis of raw glycerine (R), cellulose ether and urea, method for promoting crude oil from crude oil storage sites with inhomogeneous permeability and method for producing these formulations |
| 01/08/2014 | EP2681291A1 Alkanesulphonic acid microcapsules and use thereof in deep wells |
| 01/08/2014 | EP2681290A1 Interpolymer crosslinked gel and method of using |
| 01/08/2014 | EP2681289A1 Interpolymer crosslinked gel and method of using |
| 01/08/2014 | CN103502570A Additives for improving hydrocarbon recovery |
| 01/08/2014 | CN103502569A Additives for improving hydrocarbon recovery |
| 01/08/2014 | CN103502387A Method for production of proppants |
| 01/08/2014 | CN103502386A Thickened viscoelastic fluids and uses thereof |
| 01/08/2014 | CN103502385A Encapsulated activator and its use to trigger a gelling system by physical means |
| 01/08/2014 | CN103502384A Invert drilling fluids |
| 01/08/2014 | CN103502383A Lignin production from lignocellulosic biomass |
| 01/08/2014 | CN103498650A Method for improving yield of coal-bed gas well by achieving coal-bed surface gas reverse wetting |
| 01/08/2014 | CN103498643A Composite slug deep water plugging method for oil pool with high water content |
| 01/08/2014 | CN103497757A Petroleum fracturing propping agent containing fly ash in raw materials and preparation method thereof |
| 01/08/2014 | CN103497756A Acidification blocking remover for removing oil field pollution blocking |
| 01/08/2014 | CN103497755A Method for manufacturing fracturing fluid |
| 01/08/2014 | CN103497754A High-temperature hyper-salinity water-base fracturing fluid |
| 01/08/2014 | CN103497753A Cross-linking agent applicable to highly-mineralized water fracturing fluid |
| 01/08/2014 | CN103497752A Micro-residue liquid-state instant fracturing fluid |
| 01/08/2014 | CN103497751A High-efficiency air foam oil displacement system |
| 01/08/2014 | CN103497750A Methanol-tolerance foaming drainage agent and preparation technology thereof |
| 01/08/2014 | CN103497749A Application of disodium EDTA (Ethylene Diamine Tetraacetic Acid) as sodium carbonate solution low-temperature crystallizing separation inhibitor |
| 01/08/2014 | CN103497748A Channel blocking agent utilizing stratum residual polymer, and channel blocking method |
| 01/08/2014 | CN103497747A Well cementing slurry lightening agent and preparation method thereof |
| 01/08/2014 | CN103497746A Composition for water shutoff and profile control, water-shutoff profile-control agent containing same and preparation methods |
| 01/08/2014 | CN103497745A Method for thickening biodiesel by utilizing in-situ formed organic soil |
| 01/08/2014 | CN103497744A Method for preparing shale expansion inhibitor for drilling fluid and prepared product thereof |
| 01/08/2014 | CN103497743A Artificial oil-based drilling fluid strong inhibitor for drilling fluid and preparation method of inhibitor |
| 01/08/2014 | CN103497288A AM/AA/HMDAAC/A-beta-CD copolymer and preparation method thereof |
| 01/08/2014 | CN102786923B Method for modifying surface of ceramsites for fracturing |
| 01/08/2014 | CN102746441B Acrylamide terpolymer and polymer and preparation method and application thereof |
| 01/08/2014 | CN102660252B Low-density ceramsite propping agent taking low-aluminum high-silicon alumyte as major raw material and preparation method thereof |
| 01/08/2014 | CN102618249B Seawater base fracturing fluid and preparation method thereof |
| 01/08/2014 | CN101875840B Mud ball forming agent and synthesis method thereof |
| 01/07/2014 | US8623936 Weighted elastomers, cement compositions comprising weighted elastomers, and methods of use |
| 01/07/2014 | US8623794 Slag compositions and methods of use |
| 01/07/2014 | US8623793 Hydrophobically and cationically modified relative permeability modifiers and associated methods |
| 01/07/2014 | US8623792 Zero shear viscosifying agent |
| 01/07/2014 | US8623791 Copolymer and preparation method and application thereof |
| 01/07/2014 | US8623790 Method of drilling a subterranean well with crosslinked polyacrylic acid |
| 01/07/2014 | CA2752295C A defoamer formulation and methods for making and using same |
| 01/07/2014 | CA2572323C Use of water-soluble acrylic copolymers in optionally pigmented aqueous formulations and resulting formulations |
| 01/04/2014 | CA2819952A1 Formulations based on crude glycerol (cg), cellulose ether and urea, process for producing mineral oil from mineral oil deposits having inhomogeneous permeability and process for producing these formulations |
| 01/03/2014 | WO2014004968A1 Environmentally friendly solvent systems/surfactant systems for drilling fluids |
| 01/03/2014 | WO2014004849A2 System for processing and producing an aggregate |
| 01/03/2014 | WO2014004773A1 Foamed spacer fluids containing cement kiln dust and methods of use |
| 01/03/2014 | WO2014004689A2 Method of using phthalic and terephthalic acids and derivatives thereof in well treatment operations |
| 01/03/2014 | WO2014004681A1 Spherical pellets containing common clay particulate material useful as a proppant in hydraulic fracturing of oil and gas wells |
| 01/03/2014 | WO2014004611A2 Methods of improving hydraulic fracture network |
| 01/03/2014 | WO2014004502A1 Petroleum recovery process and system |
| 01/03/2014 | WO2014004495A1 Petroleum recovery process and system |
| 01/03/2014 | WO2014004485A1 Petroleum recovery process and system |
| 01/03/2014 | WO2014004480A1 Petroleum recovery process and system |
| 01/03/2014 | WO2014004452A1 Fracturing fluids and methods for treating hydrocarbon-bearing formations |
| 01/03/2014 | WO2014004415A1 Fracturing fluids and methods for treating hydrocarbon-bearing formations |
| 01/03/2014 | WO2014004221A1 Low-density downhole fluids and uses therof |
| 01/03/2014 | WO2014004193A1 Glycol ether amines for use as clay and shale inhibition agents for the drilling industry |
| 01/03/2014 | WO2014004145A1 Methods to prevent formation damage from friction reducers |
| 01/03/2014 | WO2014004071A1 Spread crosslinker and method of water control downhole |
| 01/03/2014 | WO2014003941A1 Diluting agent for diluting viscous oil |
| 01/03/2014 | WO2014003870A1 Wellbore tools with non-hydrocarbon-based greases and methods of making such wellbore tools |
| 01/03/2014 | WO2014003839A1 Glycerin ether ethoxylate solfactants |
| 01/03/2014 | WO2014003548A2 Catalyst composition, method of producing the same and the use of the same |
| 01/03/2014 | WO2014001192A1 Rheology modifier for drilling and well treatment fluids |
| 01/03/2014 | WO2014001064A1 Clay-compatible additive for construction chemicals |