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