| 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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| 11/14/1978 | US4125158 Oil recovery process employing a hydrocarbon slug and a thickened aqueous surfactant slug |
| 11/14/1978 | US4125156 Aqueous surfactant systems for in situ multiphase microemulsion formation |
| 11/14/1978 | CA1042194A1 Chemical comminution and mining of coal |
| 11/07/1978 | US4124512 Oil recovery by waterflooding employing succinimido aryl sulfonate surfactants |
| 11/07/1978 | US4124075 Use of oil-wetting spacers in cementing against evaporites |
| 11/07/1978 | US4124073 Method of using viscosity-stabilized aqueous solutions |
| 11/07/1978 | US4124072 Viscous oil recovery method |
| 11/07/1978 | CA1041900A1 Lignosulfonates for high-temperature plugging |
| 11/07/1978 | CA1041755A1 Waterflood process using alkoxylated low molecular weight acrylic acid polymers as scale inhibitors |
| 10/31/1978 | US4123367 Method of reducing drag and rotating torque in the rotary drilling of oil and gas wells |
| 10/31/1978 | US4123366 Sea water |
| 10/31/1978 | US4122896 Acidizing carbonate reservoirs with chlorocarboxylic acid salt solutions |
| 10/31/1978 | US4122895 Recovery of oil |
| 10/31/1978 | CA1041418A1 Waterflooding process with recovery of lost surfactant |
| 10/31/1978 | CA1041417A1 Multiple fracturing of subterranean formations |
| 10/31/1978 | CA1041416A1 Method of fracturing subterranean formations using oil-in-water emulsions |
| 10/24/1978 | US4122020 Oil recovery and mobility control using succinate surfactant systems |
| 10/24/1978 | US4121674 Method for foam drilling using a biodegradable foaming agent |
| 10/24/1978 | US4121664 Aminoethylsulfate salt and fatty acid salt |
| 10/17/1978 | US4120842 Furfuryl alcohol, nonionic surfactant, polymerization catalyst |
| 10/17/1978 | US4120801 Waterflooding process employing anionic-nonionic copolymer |
| 10/17/1978 | US4120800 Injection |
| 10/17/1978 | US4120736 Oil well cementing process and composition |
| 10/17/1978 | US4120369 Method for drilling a well through unconsolidated dolomite formations |
| 10/17/1978 | US4120361 Injecting aqueous solution of partially hydrolyzed polyacrylamide and contacting with divalent and trivalent metal cations |
| 10/17/1978 | US4120360 Treating wells to mitigate flow-after-cementing |
| 10/17/1978 | US4120359 Method for forming a non-dissoluble sand control pack and a sand control pack made thereby |
| 10/17/1978 | US4120358 Surfactant oil recovery method for use in high temperature formations containing water having high salinity and hardness |
| 10/17/1978 | US4120356 Well-cleaning process using viscosified surfactant solutions |
| 10/17/1978 | CA1040409A1 Recovery of oil using microemulsions |
| 10/10/1978 | US4119546 Process for producing Xanthomonas hydrophilic colloid, product resulting therefrom, and use thereof in displacement of oil from partially depleted reservoirs |
| 10/10/1978 | CA1040094A1 Well stimulation |
| 10/03/1978 | US4118441 Beneficiating agent composition |
| 10/03/1978 | CA1039492A1 Treatment of wells |
| 09/19/1978 | US4114693 Conversion to ammonia by reaction with base |
| 09/19/1978 | US4114692 Method for cementing high temperature wells |
| 09/12/1978 | US4113632 Oil recovery by surfactant waterflooding |
| 09/12/1978 | US4113631 Foaming and silt suspending agent |
| 09/12/1978 | US4113015 Process for treating wells with viscous epoxy-resin-forming solutions |
| 09/12/1978 | US4113014 Polyurethanes |
| 09/12/1978 | US4113013 Asphaltenes as sacrificial agents in oil recovery processes |
| 09/12/1978 | US4113011 Carbon dioxide, alkyl polyethylene oxide sulfate |
| 09/12/1978 | CA1038152A1 Composition and method for reducing the surface tension of aqueous fluids |
| 09/05/1978 | CA1037861A1 Oil recovery by microemulsion injection |
| 08/29/1978 | US4110275 Control of incompetent formations with thickened acid-settable resin compositions |
| 08/29/1978 | US4110232 Waterflooding process employing cationic-nonionic copolymers |
| 08/29/1978 | US4110231 Stabilized aqueous gels and uses thereof |
| 08/29/1978 | US4110230 Aqueous gelable compositions having extended gelation time and methods of preparing same |
| 08/29/1978 | US4110229 Salinity tolerant surfactant oil recovery process |
| 08/29/1978 | US4110228 Salinity tolerant surfactant oil recovery process |
| 08/29/1978 | US4110226 Stabilized aqueous gels and uses thereof |
| 08/29/1978 | US4110225 Oil well cement, diatomaceous earth |
| 08/29/1978 | US4110224 A quinoline solubilizer |
| 08/29/1978 | US4109721 Method of proppant placement in hydraulic fracturing treatment |
| 08/29/1978 | US4109720 Combination solvent-noncondensible gas injection method for recovering petroleum from viscous petroleum-containing formations including tar sand deposits |
| 08/22/1978 | US4108782 Foaming and silt suspending agent |
| 08/22/1978 | US4108779 Water in oil emulsions containing hydrocarbon oil, fatty acid amide, and a surfactant |
| 08/22/1978 | US4108246 Converter type scale remover |
| 08/15/1978 | US4107057 Method of preparing and using acidizing and fracturing compositions, and fluid loss additives for use therein |
| 08/08/1978 | US4105618 Control of incompetent formations with thickened compositions containing base-settable resin |
| 08/08/1978 | US4105578 Organophilic clay having enhanced dispersibility |
| 08/08/1978 | US4105570 Oil recovery by surfactant waterflooding |
| 08/08/1978 | US4105461 Thickening compositions containing xanthan gum, guar gum and starch |
| 08/01/1978 | USRE29716 Method of drilling a borehole using gelled polymers |
| 08/01/1978 | US4104193 Imparting superior viscosity to aqueous polysaccharide solutions |
| 08/01/1978 | US4104173 Aluminum salts of alkyl acid orthophosphates |
| 08/01/1978 | US4103963 Sodium hexametaphosphate |
| 08/01/1978 | US4103742 Method for acidizing subterranean formations |
| 07/25/1978 | US4102400 Method of controlling fluid loss from thixotropic cement |
| 07/18/1978 | US4101674 Halogen derivatives of alkynoxymethyl amines as microbiocides |
| 07/18/1978 | US4101474 Aqueous based epoxy slurry for forming a consolidated gravel pack |
| 07/18/1978 | US4101426 Acid composition and method for acid treating geological formations |
| 07/18/1978 | US4101425 Polyphosphoric acid |
| 07/18/1978 | US4100966 Oil recovery process using an emulsion slug with tapered surfactant concentration |
| 07/11/1978 | US4100079 Oil drilling and fracturing fluids |
| 07/11/1978 | US4099569 Oil recovery process using a tapered surfactant concentration slug |
| 07/11/1978 | US4099568 Injection of steam and non-oxidizing gas |
| 07/11/1978 | US4099565 Of hydrocarbons from subterranean formations |
| 07/04/1978 | US4098700 Amino ether starch |
| 07/04/1978 | US4098613 Basic oil well cement |
| 07/04/1978 | US4098337 Reacting polyacrylamide with formaldehyde to form gel |
| 06/27/1978 | US4096914 Acidizing asphaltenic oil reservoirs with acids containing salicylic acid |
| 06/20/1978 | US4096326 Water solubility, thermoplastic, complexes with borate and antimonate ions |
| 06/20/1978 | US4096074 Viscosifiers, polyisocyanates, alkylene oxide addition products |
| 06/20/1978 | US4096073 Microbial viscosifiers |
| 06/20/1978 | US4095987 Method of and composition for cementing oil wells |
| 06/20/1978 | US4095651 Process for selectively plugging areas in the vicinity of oil or gas producing wells in order to reduce water penetration |
| 06/13/1978 | US4095029 2-hydroxy-3-alkylsulfoxypropyl-1 esters of arene polycarboxylic acids |
| 06/13/1978 | US4094798 Oil recovery process usable in high temperature formations containing high salinity water which may include high concentrations of polyvalent ions |
| 06/13/1978 | US4094795 Polygalactomannan ether compositions |
| 05/30/1978 | US4092407 Firing iron oxide solids, fluidized beds, cooling |
| 05/30/1978 | US4092252 Controlling corrosion in gas-containing aqueous drilling fluid |
| 05/30/1978 | US4091868 Method of treating oil wells |
| 05/23/1978 | US4090969 Method of oil recovery by flooding employing betaine solutions |
| 05/23/1978 | US4090968 Potassium, sodium, calcium, ammonium salts of starch |
| 05/23/1978 | US4090563 Increasing the clay dissolving capability of a buffer-regulated mud acid |
| 05/23/1978 | US4090562 Mixture of aliphatic and aromatic hydrocarbons, aliphatic ether of polyhydric alcohol, and lower alkanol |
| 05/23/1978 | US4090561 Method for cementing well pipe |
| 05/16/1978 | US4089803 Demulsification of surfactant-petroleum-water flood emulsions |
| 05/16/1978 | US4089788 Method for improving calcium ion tolerance of hydrocarbon polymer sulfonate surfactants used in enhanced recovery processing in subterranean oil-bearing formations |