| 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) |
|---|
| 02/07/1984 | EP0083646A4 Self-inverting water-in-oil emulsions of water-soluble polymers and a process for preparing the emulsions. |
| 02/07/1984 | CA1161630A1 Polyalkylene oxide with hydrotropic agent and amphipathic agent for breaking petroleum emulsion |
| 02/01/1984 | EP0099631A2 Alkyl sulfonates of polyvinyl alcohol as viscosifiers in saline solutions |
| 01/31/1984 | US4428845 Viscosifier and fluid loss control system |
| 01/31/1984 | US4428844 Plugging porosity in drilling of bore holes |
| 01/31/1984 | US4428843 Well working compositions, method of decreasing the seepage loss from such compositions, and additive therefor |
| 01/31/1984 | US4428432 Method for stimulating siliceous subterranean formations |
| 01/31/1984 | US4428429 Enhanced oil recovery |
| 01/31/1984 | US4428427 Consolidatable gravel pack method |
| 01/31/1984 | US4428426 Method of placing and consolidating a mass of particulate material and composition for use in carrying out said method |
| 01/31/1984 | US4428424 Method of improving oil/water production ratio |
| 01/24/1984 | US4427564 Propoxylated hydrocarbyl-lactone acid |
| 01/24/1984 | US4427556 With solvating agent, diluent, and reaction product of methyl benz |
| 01/24/1984 | US4427528 Slurrying with a trahalose lipid and water |
| 01/24/1984 | US4427069 Sand consolidation methods |
| 01/24/1984 | US4427068 Sintered spherical pellets containing clay as a major component useful for gas and oil well proppants |
| 01/17/1984 | US4426303 Surfactant compositions useful in enhanced oil recovery processes |
| 01/17/1984 | US4426302 Oil recovery method utilizing a dicyclopentadiene derived ethoxysulfonate |
| 01/17/1984 | US4426296 Hydrochloric acid, polyoxyethylene glycol, carbonate or bicarbonate |
| 01/17/1984 | US4425968 Selective water exclusion |
| 01/10/1984 | US4425463 Sodium styrene sulfonate copolymer |
| 01/10/1984 | US4425462 Sodium styrene sulfonate copolymer |
| 01/10/1984 | US4425461 Drilling fluids based on a mixture of a sulfonated thermoplastic polymer and a sulfonated elastomeric polymer |
| 01/10/1984 | US4425455 Drilling fluids based on powdered sulfonated thermoplastic polymers |
| 01/10/1984 | US4425246 Oil recovery using stabilized saline heat-treated heteropolysaccharide solutions |
| 01/10/1984 | US4425244 Organophilic clay gellants |
| 01/10/1984 | US4425242 Methods of increasing hydrocarbon production from subterranean formations |
| 01/10/1984 | US4425241 Drilling fluids |
| 01/10/1984 | US4425165 Stabilizing clay soil with hydroxy-aluminum and cellulosic polymers |
| 01/10/1984 | US4424866 Brine of calcium chloride or bromide, fracturing and release of gas |
| 01/10/1984 | US4424863 Oil recovery by waterflooding |
| 01/10/1984 | CA1160253A1 Resin coated aluminum |
| 01/10/1984 | CA1160033A1 Oil base fluids containing cationic organophilic clays |
| 01/10/1984 | CA1160032A1 Oil base fluids containing organophilic clays |
| 01/05/1984 | WO1984000047A1 Method for manufacturing a backing material for drill holes |
| 01/04/1984 | EP0097149A1 Process for increasing the water discharge of water delivering drilled wells |
| 01/03/1984 | US4424290 Filtrate reducer additive for swelling clay grouts and cement-swelling clay grouts |
| 01/03/1984 | US4424135 Emulsifier system for the tertiary recovery of oil |
| 01/03/1984 | US4423791 Method of inhibiting differential wall sticking in the rotary drilling of hydrocarbon wells |
| 01/03/1984 | US4423781 Method of using a spacer system in brine completion of wellbores |
| 01/03/1984 | US4423779 Oil recovery system and process |
| 01/03/1984 | CA1159642A2 Oil well cementing process and composition |
| 12/27/1983 | US4423199 Acrylamide containing emulsion copolymers for thickening purposes |
| 12/27/1983 | US4422948 Sealing fractured oil formations and re-opening by acidification and degradation |
| 12/27/1983 | US4422947 Cross-linked potato starch, a heteropolysaccharide, and hydroxyethyl cellulose |
| 12/27/1983 | US4422876 Method for preparing plugging material |
| 12/27/1983 | CA1159362A1 Method for recovering oil from an underground deposit |
| 12/20/1983 | US4421930 Reaction product of an ethylene oxide adduct and alkali haloacetate |
| 12/20/1983 | US4421656 Silicone emulsifier composition, invert emulsions therefrom and method therefor |
| 12/20/1983 | US4421655 Low filter loss |
| 12/20/1983 | US4421168 Surfactant waterflooding with graded salinity drive for oil recovery |
| 12/13/1983 | US4420598 Acrylamide-acrylonitrile-ethoxylated acrylic acid terpolymer thickener |
| 12/13/1983 | US4420586 Non-aqueous dispersion polymerization of vinyl monomers |
| 12/13/1983 | US4420413 Breaking crude oil emulsions |
| 12/13/1983 | US4420406 Zinc bromide, calcium bromide, hydroxyethyl cellulose |
| 12/13/1983 | US4420405 Water based drilling mud additive |
| 12/13/1983 | CA1158546A1 Spacer system useful in brine completion of wellbores |
| 12/13/1983 | CA1158428A1 Method of inhibiting crosslinking of aqueous xanthan gums in the presence of ferric acid |
| 12/13/1983 | CA1158427A1 Expansive admixture |
| 12/07/1983 | EP0095730A2 High-molecular water-soluble copolymers, their preparation and use |
| 12/06/1983 | US4419265 Demulsification |
| 12/06/1983 | US4418755 Methods of inhibiting the flow of water in subterranean formations |
| 12/06/1983 | US4418753 Method of enhanced oil recovery employing nitrogen injection |
| 11/30/1983 | EP0095365A2 A process for well control fluid |
| 11/30/1983 | EP0095259A2 Fluid loss control additive for a well drilling fluid |
| 11/30/1983 | EP0095241A2 Substituted cyclic and heterocyclic methane sulfonates |
| 11/29/1983 | US4417989 Propping agent for fracturing fluids |
| 11/29/1983 | US4417625 Annulus plugging |
| 11/29/1983 | US4417623 Sand consolidation with organic silicate |
| 11/23/1983 | EP0094898A2 An injection water viscosifier for enhanced oil recovery |
| 11/22/1983 | US4416332 Method for increasing the pressure in oil-bearing geological structures |
| 11/22/1983 | CA1157250A1 Starch product suitable for use in drilling muds, a method for producing the same, a drilling mud containing said product and a method for drilling a shaft |
| 11/15/1983 | US4415463 Preparation of viscosifiers for zinc salt workover and completion brines |
| 11/15/1983 | US4415367 Ferrous sulfate, aluminum sulfate, a hydraulic cement and water; oil wells |
| 11/15/1983 | US4415366 Foamed thixotropic hydraulic cement containing calcium sulfate hemihydrate; well bores |
| 11/15/1983 | US4415033 Inverse viscosity grading |
| 11/08/1983 | US4414334 Oxygen scavenging with enzymes |
| 11/08/1983 | US4414120 Enhanced oil recovery |
| 11/08/1983 | US4414119 Injectivity of crude oil and petroleum sulfonate slugs by the addition of an alkylbenzene sulfonate |
| 11/08/1983 | US4414118 Mineral acid and zirconium or chromium fluorides |
| 11/08/1983 | US4413931 Sand-coated and bonded with a curable novalak-type phenolic resin |
| 11/08/1983 | US4413681 Reaction product of polyamide and high molecular weight sulfonated polymer |
| 11/08/1983 | US4413680 Crosslinking water-soluble polymers to form gels |
| 11/08/1983 | CA1156688A1 Zero free water cement composition and method |
| 11/08/1983 | CA1156446A1 Demulsifier for inclusion in injected acidization systems for petroleum formation stimulation |
| 11/08/1983 | CA1156445A1 Surfactant waterflooding oil recovery method |
| 11/08/1983 | CA1156444A1 Aromatic compound with an aqueous hydrophilic polymer fluid |
| 11/02/1983 | EP0092756A2 Zirconate thickening agents |
| 11/02/1983 | EP0092755A1 Bis alkyl bis(trialkanolamine)zirconates |
| 11/01/1983 | US4412926 Alkyl norbornyl ether sulfonates useful for solubilizing petroleum sulfonates in oil fluid brine solutions |
| 11/01/1983 | US4412925 Clarified, stabilized culture containing a bactericide |
| 11/01/1983 | US4412586 Methods of inhibiting the flow of water in subterranean formations |
| 11/01/1983 | CA1156225A1 Sulfated biopolymers |
| 11/01/1983 | CA1156031A1 Stimulation of siliceous formations by a crosslinked acid polysaccharides |
| 10/26/1983 | EP0092340A1 Method of clay stabilisation in enhanced oil recovery |
| 10/25/1983 | US4412018 Organophilic clay complexes, their preparation and compositions comprising said complexes |
| 10/25/1983 | US4411816 Native petroleum surfactants |
| 10/25/1983 | US4411802 Enhanced oil recovery |
| 10/25/1983 | US4411801 Low solids well servicing fluids |
| 10/25/1983 | US4411800 High temperature stable fluid loss control system |