| 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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| 02/25/1986 | US4572789 Drilling fluid additives |
| 02/25/1986 | US4572297 Injection of high ph buffer solution to minimize precipitation |
| 02/25/1986 | US4572296 Inhibiting silica dissolution by adding ammonium compound as acid neutralizer or buffer |
| 02/25/1986 | US4572295 Adding hydrogel polymer and nonaqueous fluid carrier |
| 02/25/1986 | US4572294 Enhanced oil recovery |
| 02/25/1986 | US4572292 Enhanced oil recovery |
| 02/19/1986 | EP0171999A2 Fluid spacer composition for use in well cementing |
| 02/19/1986 | EP0171962A2 Water-swellable clay composition |
| 02/18/1986 | US4571422 Emulsification of polysaccharides in oil-enhanced oil recovery |
| 02/18/1986 | US4570711 Process for optimizing the noncondensible gas content of an oil-displacing steam-foam-forming mixture |
| 02/18/1986 | US4570710 Method for preventing wellbore damage due to fines migration |
| 02/12/1986 | EP0171163A2 Methods of minimizing fines migration in subterranean formations |
| 02/12/1986 | EP0170893A1 Microbiocidal anionic sequesterants with polyvalent metal cations for permeability correction process |
| 02/11/1986 | US4569799 Process for making organophilic humate derivatives |
| 02/11/1986 | US4569770 Uncalcined attapulgite clay and barium oxide or barium hydroxide |
| 02/11/1986 | US4569694 For hydraulic cements used in well cementation |
| 02/11/1986 | US4569395 Matrix control cementing slurry |
| 02/11/1986 | US4569393 CO2 -Induced in-situ gelation of polymeric viscosifiers for permeability contrast correction |
| 02/11/1986 | CA1200566A1 Reactivatable set-inhibited cementitious compositions |
| 02/11/1986 | CA1200373A1 Inhibitors against corrosion caused by co.sub.2 and h.sub.2s in water-in-oil emulsions |
| 02/11/1986 | CA1200371A1 Method of clay stabilization in enhanced oil recovery |
| 02/05/1986 | EP0170527A2 Aqueous drilling and packer fluids |
| 02/05/1986 | EP0170371A2 Corrosion inhibited brine composition, method of making same, and method of inhibiting corrosion and decreasing corrosiveness |
| 02/04/1986 | US4568708 Composition and method for effecting seals in earth boreholes |
| 02/04/1986 | US4568471 Fluid loss additive for cement |
| 02/04/1986 | US4568392 Separation of water and clay by surfactant |
| 02/04/1986 | US4567947 Anhydrous, aliphatic alcohol, polyalkylene oxide homopolymer, and gel activating agent |
| 02/04/1986 | US4567946 Increasing the permeability of a subterranean reservoir |
| 02/04/1986 | CA1200339A1 Foamable hydrocarbon liquids with fluorinated polyacrylates |
| 02/04/1986 | CA1200162A1 Process for producing organo-silane coated asbestos base material |
| 01/29/1986 | EP0169651A2 Method and composition for protecting metal surfaces from oxidative environments |
| 01/29/1986 | EP0169412A1 Proppant for oil and gas wells |
| 01/28/1986 | US4566979 Stable mixture of crosslinkable components promptly activatable as acting treating agents |
| 01/28/1986 | US4566978 Flow control agents |
| 01/28/1986 | US4566977 Non-aqueous slurries used as thickeners |
| 01/28/1986 | US4566976 Viscous heavy brines |
| 01/28/1986 | CA1199785A1 High temperature stable crosslinked gel fracturing fluid |
| 01/28/1986 | CA1199784A1 Method and compositions for acidizing and fracturing wells |
| 01/28/1986 | CA1199783A1 Method for recovering oil from an underground deposit |
| 01/22/1986 | EP0169074A2 Treatment of subterranean formations |
| 01/21/1986 | US4565647 Enhanced oil recovery |
| 01/21/1986 | US4565640 Aqueous compositions containing cyanuric acid |
| 01/21/1986 | US4565639 Method of increasing hydrocarbon production by remedial well treatment |
| 01/21/1986 | US4565578 Gas generation retarded aluminum powder for oil field cements |
| 01/21/1986 | US4565248 Method for producing water soluble resols and use therefor |
| 01/21/1986 | CA1199485A1 Hec-bentonite compatible blends |
| 01/16/1986 | WO1986000330A1 Gel and process for retarding fluid flow |
| 01/15/1986 | EP0167873A1 Mixtures of tensides and their use in tertiary oil recovery |
| 01/14/1986 | US4564459 Proppant charge and method |
| 01/14/1986 | US4564070 Polyacrylamide, silicate, acid or salt |
| 01/14/1986 | CA1199250A1 Organic gels |
| 01/08/1986 | EP0167003A1 Process for the consolidation and sealing of coal and/or mountain, soil or brick formations in mining, tunnel driving and the construction industry |
| 01/07/1986 | US4563292 Enhanced oil recovery |
| 01/07/1986 | US4563291 Method of preparation of substituted amino-alkyl sulfonic acid compounds and use in the treatment of subterranean formations |
| 01/07/1986 | US4563290 Water-soluble copolymers useful for enhanced oil recovery |
| 01/07/1986 | US4563283 Process for clarifying bicarbonate bearing waters using measurement and control of carbon dioxide content |
| 01/02/1986 | EP0166518A2 Method and apparatus for plugging a wellbore in high impulse fracture |
| 12/31/1985 | US4561986 Combined dispersant fluid loss control additives |
| 12/31/1985 | US4561985 Hec-bentonite compatible blends |
| 12/31/1985 | US4561503 H3 PO4 /HF Siliceous formation treating composition and method |
| 12/31/1985 | US4561502 Oil recovery process using a polyacrylamide gel |
| 12/31/1985 | US4561501 Surfactant oil recovery systems and recovery of oil therewith |
| 12/31/1985 | US4561500 Method of enhancing oil recovery by use of exopolymer-producing micro-organisms |
| 12/31/1985 | CA1198669A1 Method for profile control and conformance correction |
| 12/27/1985 | EP0165787A2 Method and composition for acidizing subterranean formations |
| 12/27/1985 | EP0165560A2 Process for improving the properties of aqueous solutions of polymers used in oil recovery by flooding |
| 12/27/1985 | EP0165425A2 Thermally stable mobility control reagents for harsh environment reservoirs |
| 12/24/1985 | US4560710 Drag reduction agent |
| 12/24/1985 | US4560517 Sulfonation of crude oils with gaseous SO3 to produce petroleum sulfonates |
| 12/24/1985 | US4560497 Amino ester and amino amide-ester corrosion inhibitors for aqueous systems |
| 12/24/1985 | US4560486 Reducing viscosity with mixture of thickener, tertiary amine and ammonium or alkali metal persulfate |
| 12/24/1985 | US4560003 Solvent stimulation in heavy oil wells producing a large fraction of water |
| 12/24/1985 | CA1198548A1 High molecular weight water-soluble copolymers, their preparation and use |
| 12/24/1985 | CA1198274A1 Oil recovery utilizing highly oxyalkylated phenolic resins |
| 12/19/1985 | EP0159313A4 Well drilling, workover and completion fluids. |
| 12/17/1985 | US4559202 Apparatus for preparing polymer solutions |
| 12/17/1985 | US4559149 Workover fluid |
| 12/17/1985 | US4559148 Method of extracting and reutilizing surfactants from emulsions |
| 12/17/1985 | US4558741 Using a copolymer of an acrylic acid or alkali metal and an aminoalkyl acrylate |
| 12/17/1985 | US4558739 Situ microbial plugging process for subterranean formations |
| 12/17/1985 | CA1197978A1 Composition and method for reducing the permeability of subterranean formations |
| 12/17/1985 | CA1197977A1 Fracturing method for stimulation of wells utilizing carbon dioxide based fluids |
| 12/11/1985 | EP0163698A1 Method for controlled introduction of reagent into a liquid. |
| 12/10/1985 | US4557838 Inhibiting acid corrosion of metals |
| 12/10/1985 | US4557837 Foaming methanol woth flouripolymer, stable, long-lasting |
| 12/10/1985 | US4557763 Dispersant and fluid loss additives for oil field cements |
| 12/10/1985 | US4557330 Miscible flooding with displacing fluid containing additive compositions |
| 12/10/1985 | CA1197772A1 Process for emulsion flooding of petroleum reservoirs |
| 12/10/1985 | CA1197673A1 Corrosion inhibited high density fluid compositions |
| 12/04/1985 | EP0163459A1 Oil field cements |
| 12/04/1985 | EP0163271A2 Alkaline refined gum and use thereof in improved well-treating compositions |
| 12/04/1985 | EP0162910A1 Polymer article of manufacture. |
| 12/03/1985 | US4556495 Immiscible displacement of oil with surfactant system |
| 12/03/1985 | US4556111 Method for inhibiting corrosion |
| 12/03/1985 | US4556110 Corrosion inhibition |
| 12/03/1985 | US4556109 Curing a slurry of furfuryl alcohol, furfural and coal in the presence of an acid catalyst |
| 12/03/1985 | US4556108 Micellar slug for oil recovery |
| 12/03/1985 | US4556107 Steam injection including alpha-olephin sulfonate dimer surfactant additives and a process of stimulating hydrocarbon recovery from a subterranean formation |
| 12/03/1985 | CA1197369A1 Composition of aqueous surfactant and liquid or dense phase co.sub.2 for plugging subterranean formations |
| 11/27/1985 | EP0162666A2 High temperature drilling fluids |