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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05/16/1978 | US4089787 Increasing the clay-dissolving capability of a relatively high pH self-generating mud acid |
05/16/1978 | US4089650 Use of Diels-Alder adducts of dihydro-nitrogen heterocyclic phosphoramidates as corrosion inhibitors |
05/16/1978 | US4089376 Slurring silica, hydraulic cement, attapulgite, sodium chloride, water, and hematite |
05/16/1978 | CA1031153A1 Well grouting processes |
05/09/1978 | US4088584 Secondary recovery of oil and polymers useful for this |
05/09/1978 | US4088583 Water, gas, foaming agent, erosion and corrosion inhibitor, carboxyalkyl cellulose ether or polyalkylene oxide polymer |
05/09/1978 | US4088190 Oil recovery, salt of alkyl sulfoacetate |
05/09/1978 | US4088189 Surfactant oil recovery process usable in high temperature formations containing high salinity water |
05/09/1978 | US4087936 Process for production of alga biopolymer and biomass |
05/02/1978 | US4087456 Purification of oleophilic hydrocarbon sulfonate product mixtures |
05/02/1978 | US4087365 Super-yield bentonite base drilling fluid |
05/02/1978 | US4086964 Oil recovery |
04/25/1978 | US4085972 Anaerobic organisms |
04/25/1978 | US4085802 Use of thickened oil for sand control processes |
04/25/1978 | US4085801 With hydrocarbon oil, acid catalyst and quaternary ammonium salt of cellulose sulfate |
04/25/1978 | US4085800 Plugging earth strata |
04/25/1978 | US4085799 Oil recovery process by in situ emulsification |
04/25/1978 | US4085797 Progressive displacement of residual water past shut-in wells preparatory to tertiary oil recovery |
04/18/1978 | US4085167 Carboxylic polymeric thickeners |
04/11/1978 | US4083790 Clays, tall oil fraction as a lubricating additive |
04/11/1978 | US4083407 Spacer composition and method of use |
04/11/1978 | US4083406 Method and apparatus for sealing drill casing |
04/11/1978 | US4083403 Surfactant oil recovery process |
04/04/1978 | US4082677 Animal feed ingredient, drilling mud additive, source of phosphoric acid |
03/28/1978 | USRE29595 Well cementing composition having improved flow properties containing a polyamido-sulfonic additive |
03/28/1978 | US4081030 Aqueous based slurry with chelating agent and method of forming a consolidated gravel pack |
03/28/1978 | US4081029 Enhanced oil recovery using alkaline sodium silicate solutions |
03/21/1978 | US4079785 Oil recovery method using in situ-partitioning surfactant flood systems |
03/21/1978 | US4079544 Oil recovery process employing thickened aqueous driving fluid |
03/14/1978 | US4079011 Composition containing a polyvinylpyrrolidone and method for stimulating well production |
03/14/1978 | US4078607 Oil recovery process using improved thickened aqueous flooding liquids |
03/14/1978 | US4078332 Injecting carbon dioxide and air into aqueous nutrient solution, irradiation |
03/14/1978 | US4078331 Process and culture composition for growth of alga and synthesis of biopolymer |
03/07/1978 | US4077471 Surfactant oil recovery process usable in high temperature, high salinity formations |
02/28/1978 | US4076743 Amphoteric surfactants |
02/28/1978 | US4076628 Drilling fluid compositions and methods of preparing same |
02/21/1978 | US4074760 Method for forming a consolidated gravel pack |
02/21/1978 | US4074759 Oil recovery process using a polymer slug with tapered surfactant concentration |
02/21/1978 | US4074757 Method using lignosulfonates for high-temperature plugging |
02/21/1978 | US4074755 Ion exchange controlled chemically aided waterflood process |
02/21/1978 | US4074536 With organosilicon compound |
02/14/1978 | US4073344 Methods for treating subterranean formations |
02/14/1978 | US4073343 Sand consolidation method |
02/14/1978 | US4073342 Sand consolidation method |
02/07/1978 | US4072606 Method for coagulating a colloidal suspension |
02/07/1978 | US4072194 Pumpable epoxy resin composition |
02/07/1978 | US4072192 Minimizing adsorption of injected anionic surfactant |
02/07/1978 | US4072191 Fire floor process |
01/31/1978 | US4071458 Oil displacement fluid containing a solubilizing agent |
01/31/1978 | US4071457 Oil recovery process using viscosified surfactant |
01/31/1978 | US4070865 Method of consolidating porous formations using vinyl polymer sealer with divinylbenzene crosslinker |
01/24/1978 | US4069870 Method of cementing well casing using a high temperature cement system |
01/24/1978 | US4069869 Plugging high permeability zones of reservoirs having heterogeneous permeability |
01/17/1978 | US4069299 Hydroxy-aluminum chloride and sulfate polymer production |
01/17/1978 | US4069161 Preparation of aqueous solutions of polyacrylamides |
01/17/1978 | US4068720 Method for acidizing subterranean formations |
01/17/1978 | US4068719 Acrylamide polymer, reducing agents, metal compound, gelation |
01/17/1978 | US4068718 Hydraulic fracturing method using sintered bauxite propping agent |
01/17/1978 | US4068717 Producing heavy oil from tar sands |
01/17/1978 | US4068716 Oil recovery process utilizing aromatic solvent and steam |
01/17/1978 | US4068714 Biopolysaccharide |
01/10/1978 | US4067389 Reaction product of microbial polysaccharide and glactomannan gum, halide salt |
01/03/1978 | US4066126 Surfactant waterflooding with hydrocarbon slug |
01/03/1978 | US4066124 Blending two anionic organic sulfonate surfactants |
12/27/1977 | US4065318 Hydraulic cement, retarder agent resulfonated lignosulfonate ion |
12/27/1977 | US4065260 Halogen derivatives of alkynoxymethyl amines as corrosion inhibitors |
12/27/1977 | US4064940 Water control with polymers |
12/20/1977 | US4064056 Drilling fluids containing an additive composition |
12/20/1977 | US4064055 Antifriction agents, ester of oxazolidine derivative |
12/20/1977 | US4063603 Drilling fluid lubricant |
12/13/1977 | US4062796 Methods for inhibiting scale formation |
12/06/1977 | US4061580 Alkoxylated amine phosphate |
12/06/1977 | US4061191 Method for gaseous sand consolidation treatment of weak gas sands |
11/29/1977 | US4060490 Composition and method for enhanced oil recovery utilizing aqueous polyacrylamide solutions |
11/22/1977 | US4059533 Sodium dithionate |
11/22/1977 | US4059154 Micellar dispersions with tolerance for extreme water hardness for use in petroleum recovery |
11/15/1977 | US4058467 Carbon dioxide saturated |
11/08/1977 | US4057509 Water, sulfur dioxide, dimensional stability |
11/08/1977 | US4057390 Sulfur-containing bis-quaternaries |
11/01/1977 | US4056146 Method for dissolving clay |
10/25/1977 | US4055502 Gelled |
10/18/1977 | US4054462 Method of cementing |
10/18/1977 | US4054461 Portland cement, calcium sulfate, alkali metal nitrate and retarder |
10/11/1977 | US4053422 Drilling fluids containing polyethoxylated tetraalkyl acetylenic diols |
10/04/1977 | US4051901 Process for water treatment in mobility controlled caustic flooding process |
10/04/1977 | US4051900 Propping material for hydraulic fracturing |
09/27/1977 | US4050948 Method of making lightweight cement slurries and their uses |
09/27/1977 | US4050513 Method of treating a high temperature formation to permit the use therein of temperature sensitive hydrophilic, viscosity increasing polymers |
09/20/1977 | US4049559 Premix of 1-1,5-di-(3,3-dimethylnorborn-2-yl)-3-pentyl-1,5,9-triazanonane, surfactant, and solvent |
09/20/1977 | US4049054 Stable mixtures of polymers and surfactants for surfactant flooding |
09/13/1977 | US4048079 Aqueous gels and uses thereof |
09/13/1977 | US4048077 Aqueous clay base mud for deep drilling |
09/13/1977 | US4047567 Oil well cementing process |
09/06/1977 | US4046197 Well completion and workover method |
09/06/1977 | US4046196 Secondary oil recovery process |
08/30/1977 | US4045360 Inhibiting wax deposition from a wax-containing oil |
08/30/1977 | US4045357 Hydroxy-aluminum based drilling fluid |
08/30/1977 | US4044833 Propping agents for wells |
08/30/1977 | US4044831 Secondary recovery process utilizing water saturated with gas |
08/23/1977 | US4043922 Secondary oil recovery process using oxyalkylated additives |