| 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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| 05/15/1979 | CA1054359A2 Clay-free thixotropic wellbore fluid |
| 05/15/1979 | CA1054358A1 Sand control method employing asphaltenes |
| 05/15/1979 | CA1054357A1 Method and composition for treating a well to prevent the formation of sulfur and scale depositions |
| 05/15/1979 | CA1054356A1 Clay-free thixotropic wellbore fluid |
| 05/15/1979 | CA1054355A1 Water base drilling mud composition |
| 05/15/1979 | CA1054354A1 Friction reducing polyacrylamide additives |
| 05/08/1979 | US4153649 Phosphoric anhydride, hydroxy ether, alcohol, thickening kerosene |
| 05/08/1979 | US4153066 Alkyl phosphate activated with aluminum compound |
| 05/08/1979 | CA1053893A1 Stabilization of polymer solutions |
| 05/08/1979 | CA1053892A1 Drilling mud-cement compositions for well cementing operations |
| 05/01/1979 | US4152274 Method for reducing friction loss in a well fracturing process |
| 05/01/1979 | US4151879 Method for acidizing a subterranean formation |
| 05/01/1979 | US4151878 Method for acidizing a subterranean formation |
| 04/24/1979 | US4151098 Acidizing subterranean well formations containing deposits of metal compounds |
| 04/24/1979 | US4151096 Clay-free wellbore fluid |
| 04/24/1979 | CA1053147A1 Oil recovery by viscous waterflooding |
| 04/19/1979 | WO1979000201A1 A process for the recovery of organic gases from ground,bedrock or bottom sediments in lakes |
| 04/17/1979 | US4149900 Oil well cementing composition |
| 04/17/1979 | CA1052557A1 Self-thinning and neutralizing thickened aqueous liquid |
| 04/17/1979 | CA1052556A1 Hydraulic fracturing fluid |
| 04/17/1979 | CA1052555A1 Increasing the multivalent cation tolerance of aqueous anionic surfactant systems |
| 04/10/1979 | US4148746 Oil recovery |
| 04/10/1979 | US4148736 Oil recovery process using viscosified surfactant solutions |
| 04/10/1979 | US4148360 Method for acidizing high temperature subterranean formations |
| 04/10/1979 | US4148217 Evaluating surfactants |
| 04/10/1979 | CA1052085A1 Secondary and tertiary oil recovery process |
| 04/03/1979 | US4147637 Oil recovery by increasing the injectivity index of micellar systems containing crude oil sulfonates |
| 04/03/1979 | US4147214 Tannin materials as additives in oil recovery processes involving chemical recovery agents |
| 04/03/1979 | US4147212 Control of hydrogen sulfide gas to reduce toxicity and corrosion due to exposures thereto |
| 04/03/1979 | US4147211 Enhanced oil recovery process utilizing a plurality of wells |
| 04/03/1979 | CA1051650A1 Well cementing composition having improved flow properties and method of use |
| 04/03/1979 | CA1051649A1 Method for stimulating well production |
| 04/03/1979 | CA1051611A1 Composition of calcium carbonate and hydrated tobermorites, its preparation and uses |
| 03/27/1979 | US4146711 Sulfone containing quaternary ammonium derivatives of 1,4-thiazines |
| 03/27/1979 | US4146709 Corrosion inhibitors, microbiocides |
| 03/27/1979 | US4146486 Gelled composition containing a biopolysaccharide as a thickener |
| 03/27/1979 | CA1051342A1 Method for recovering viscous petroleum |
| 03/27/1979 | CA1051341A1 Combined multiple solvent and thermal heavy oil recovery method |
| 03/27/1979 | CA1051340A1 Selectively plugging water zones |
| 03/20/1979 | CA1050743A1 Well treating compositions containing polymer plugging or fluid loss reducing agents |
| 03/13/1979 | US4144179 Composition for treating low temperature subterranean well formations |
| 03/13/1979 | US4144077 High temperature cement system |
| 03/13/1979 | US4143716 Injecting a polyamide and a solution of polyethoxylated alcohol sulfate or sulfonate |
| 03/13/1979 | CA1050258A1 Method and compositions for fracturing well formations |
| 03/13/1979 | CA1050257A1 Asphalt plug emplacement process |
| 03/13/1979 | CA1050256A1 Well cementing composition having improved flow properties and method of use |
| 03/13/1979 | CA1050255A1 Process and composition for drilling shale formation in sea water |
| 03/06/1979 | US4143007 Thickening agent containing a polygalactomannan gum and a copolymer of an olefinically unsaturated dicarboxylic acid anhydride useful in hydraulic well-treating |
| 03/06/1979 | US4142595 Shale stabilizing drilling fluid |
| 03/06/1979 | US4142582 Chrome lignosulfonates as additives in oil recovery processes involving chemical recovery agents |
| 03/06/1979 | CA1049926A1 Flooding with micellar dispersions having connate water compatibility |
| 02/27/1979 | US4141843 Oil well spacer fluids |
| 02/27/1979 | US4141842 Waterflood oil recovery process employing stabilized biopolymers |
| 02/27/1979 | US4141840 Drilling fluids containing polyethoxylated, sulfurized fatty alcohols |
| 02/27/1979 | US4141416 Enhanced oil recovery using alkaline sodium silicate solutions |
| 02/27/1979 | CA1049246A1 Drilling fluids containing phosphate ester acids |
| 02/20/1979 | US4140640 Self-breaking retarded acid emulsion |
| 02/20/1979 | US4140639 Guar and lignin derivatives in brine |
| 02/20/1979 | US4140183 Enhanced oil recovery |
| 02/20/1979 | CA1048768A1 Acidization process |
| 02/06/1979 | US4138345 Oil recovery by surfactant waterflooding |
| 02/06/1979 | US4137972 Acidizing reservoirs while chelating iron with sulfosalicylic acid |
| 02/06/1979 | US4137971 Method of consolidating a subterranean formation |
| 02/06/1979 | US4137969 Water flooding with a slug of a high molecular weight acrylic polymer obtained by irradiation polymerization |
| 01/30/1979 | US4137400 Polygalactomannan ether compositions |
| 01/30/1979 | US4137367 Silane coated silicate minerals and method for preparing same |
| 01/30/1979 | US4137182 Process for fracturing well formations using aqueous gels |
| 01/30/1979 | US4137093 Setting retarding composition for well cementing and recementing |
| 01/30/1979 | US4136739 Method for generating hydrofluoric acid in a subterranean formation |
| 01/30/1979 | CA1122896B Combined fracturing process for stimulation of oil and gas wells |
| 01/30/1979 | CA1047395A1 Oil recovery by waterflooding employing a biopolymer-surfactant system |
| 01/30/1979 | CA1047393A1 Combined fracturing process for stimulation of oil and gas wells |
| 01/30/1979 | CA1047243A1 Porous fe304 drilling mud additive |
| 01/16/1979 | CA1046260A1 Oil recovery by alkaline-sulfonate waterflooding |
| 01/16/1979 | CA1046258A1 Microemulsion flooding process comprising alkyl xylene sulfonates |
| 01/09/1979 | US4133385 Oxidized lignosulfonates as additives in oil recovery processes involving chemical recovery agents |
| 01/09/1979 | US4133384 Steam flooding hydrocarbon recovery process |
| 01/09/1979 | US4133383 Terminating the flow of fluids from uncontrolled wells |
| 12/26/1978 | US4131578 Aqueous hydraulic cement slurry |
| 12/26/1978 | CA1045282A1 Method for delaying the setting of an acid-settable liquid in a terrestrial zone |
| 12/26/1978 | CA1045068A1 Process for the elimination of deposits in oil wells and industrial installations |
| 12/26/1978 | CA1045027A1 Hydraulic fracturing method using sintered bauxite propping agent |
| 12/19/1978 | US4130491 Use of betaines in mineral oil recovery |
| 12/19/1978 | US4130165 Method for selectively plugging water zones |
| 12/12/1978 | US4129183 Use of organic acid chrome complexes to treat clay containing formations |
| 12/12/1978 | US4129182 Miscible drive in heterogeneous reservoirs |
| 12/12/1978 | CA1044390A1 Polymerization of unsaturated monomers with radiation in the presence of salt |
| 12/12/1978 | CA1044133A1 Method of recovery of bitumen from tar sand formations |
| 12/05/1978 | US4128528 Acrylamide polymer |
| 12/05/1978 | US4128482 Mobility control of aqueous fluids in porous media |
| 12/05/1978 | CA1043695A1 Oil recovery by low tension waterflooding |
| 12/05/1978 | CA1043550A1 Oil recovery process usable in formations containing water having high concentrations of polyvalent ions |
| 11/28/1978 | US4127174 Method for treating a well using a chemical wash with fluid loss control |
| 11/28/1978 | US4127173 Method of gravel packing a well |
| 11/28/1978 | CA1043092A1 Dry light-weight cement composition |
| 11/28/1978 | CA1043091A1 Well treatment composition with carbon dioxide and method |
| 11/21/1978 | US4126181 Method and apparatus for formation fracturing with foam having greater proppant concentration |
| 11/21/1978 | CA1042648A1 Polymer waterflooding by controlling water hardness |
| 11/21/1978 | CA1042647A1 Lignosulfonate gels for sweep improvement in flooding operations |
| 11/14/1978 | US4125160 Method of cementing a high temperature borehole |