|
Match
|
Document |
Document Title |
|
|
4361186 |
Formation flow channel blocking
A method of selectively blocking high permeability flow channels in an underground hydrocarbon material bearing formation having flow channels of high permeability and having flow channels of...
|
|
|
4352396 |
Method for selective plugging using resin emulsions
Methods and compositions are provided for selectively plugging the water-rich strata of subterranean formations, including injection into the formation of a water-insoluble, oil-soluble resin...
|
|
|
4343363 |
Process for cleaning a subterranean injection surface and for selectively reducing the permeability of a subterranean formation
A process for selectively reducing the permeability of a subterranean formation penetrated by a well bore and having an injection surface plugged by crosslinked dry polymer. The process comprises...
|
|
|
4339000 |
Method and apparatus for a bridge plug anchor assembly for a subsurface well
A method of fabrication and the resulting structure for an economical and reliable anchor assembly to retain a conventional bridge plug within the production casing of an oil or gas well. The...
|
|
|
4336842 |
Method of treating wells using resin-coated particles
Particles coated with a fusible thermosetting resin are placed in the vicinity of a wellbore and in conjunction with a subterranean formation surrounding the wellbore and are cured in the presence...
|
|
|
4331722 |
Sealing leaks by polymerization of volatilized organosilane monomers
Leaks in a vessel or pipeline or the like, adapted for containing a fluid, are sealed by means of a volatilized polymerizable organosilane comprising a mercaptosilane, an acyloxysilane, or an...
|
|
|
4328864 |
Methods for recovery of oil
Methods for the recovery of oil are provided, which include selectively plugging the water-rich portions of an oil-producing formation by injecting into the formation a swelling polymer.
|
|
|
4321967 |
Suction of gases from boreholes in coal mining
Gas, particularly methane, is sucked from a borehole (B) extending from a coal mine working by means of a casing consisting of tubular plastics sections (8) by means of a vacuum pump connected to...
|
|
|
4315703 |
Sealing method using latex-reinforced polyurethane sewer sealing composition
A sealing composition prepared by reacting water-soluble polyurethane prepolymer with water containing latex to provide a gelled viscous mass which will cure to a cross-linked latex-reinforced gel...
|
|
|
4312605 |
Method for grouting joints and/or cracks in sewer conduits
This invention is concerned with a method of grouting sewer conduits by using an aqueous liquid composition comprising unsaturated monomers including (1) magnesium diacrylate, (2) an alkali metal...
|
|
|
4304805 |
Sealing leaks by polymerization of volatilized aminosilane monomers
Leaks in a vessel or pipeline or the like adapted for containing a fluid, are sealed by means of a volatilized polymerizable aminosilane supplied to the interior of the vessel under sufficient...
|
|
|
4291766 |
Process for consolidating water-wet sands with an epoxy resin-forming solution
In a well treating process for consolidating a mass of particles with an epoxy resin precipitated from a resin-forming solution, a significant improvement is provided by using: a polyamino curing...
|
|
|
4290485 |
Reduction of water production from hydrocarbon containing subsurface formations
To reduce the production of water from a subsurface hydrocarbon-bearing interval of a formation the producing interval of the formation is treated with an aqueous solution or sol of a high...
|
|
|
4289203 |
Oil displacement method using shear-thickening compositions
Shear-thickening aqueous compositions useful as workover fluids in producing or injection wells, as water diversion agents and mobility control fluids in post-primary oil recovery operations, and...
|
|
|
4286899 |
Process for positioning strengthening rods in mine levels and public works
Strengthening rods are positioned in mine levels and public works by introducing into a long bore made in a wall or other surface to be strengthened, a thermosetting resinous composition and a...
|
|
|
4282928 |
Method for controlling permeability of subterranean formations
In the recovery of hydrocarbon materials from subterranean formations, the simultaneous production or loss of other fluids such as water is inhibited by the selective introduction into the...
|
|
|
4276934 |
Method and device for blocking wells to extinguish fires, prohibit saltwater intrusion, etc.
A well, such as an oil well, may be plugged, on command, from the well head, by activating a plurality of preplaced motor-driven, foam generating capsules causing a foam to be generated and forced...
|
|
|
4276935 |
Treatment of subsurface gas-bearing formations to reduce water production therefrom
Excessive water production from a producing gas well is substantially reduced by the injection of a hydrocarbon-diluted water-in-oil emulsion comprising a viscosifying polymer such as...
|
|
|
4277203 |
Soil stabilization materials and methods
A method for stabilizing the soil wherein a liquid selected from the group onsisting of (1) a mixture of dimer diisocyanate and dimer diamine; and (2 ) a mixture of dimer diisocyanate and a...
|
|
|
4275788 |
Method of plugging a well
A method for forming a plug in a well bore by establishing a two-phase system within the well bore. The two-phase system includes a less dense phase which bears against the upper surface of a...
|
|
|
4272384 |
Composition for preventing a resin system from setting up in a well bore
A zone of a subterranean formation penetrated by a well bore is permanently plugged by injecting a liquid resin system containing at least one thermosetting resin and at least one curing agent or...
|
|
|
4259205 |
Process involving breaking of aqueous gel of neutral polysaccharide polymer
Particular aqueous gels, epoxy resin compositions and optional additives such as diluents, retarders and accelerators are described which produce a practical composition and method for in situ sand...
|
|
|
4250963 |
Selective permeability reduction with polymerizable monomers around steam injection wells
A method is proposed for treating subsurface earth formations in the neighborhood of a steam injection well by selectively altering the effective permeability of the formation through depositing a...
|
|
|
4220566 |
Aqueous based slurry containing enediol breaker and method for forming a consolidated gravel pack
A compound containing an aromatic or α-carbonyl enediol functional group is effectively employed as a breaker for the gelled aqueous carrier fluid in aqueous epoxy resin slurries of the type...
|
|
|
4216829 |
Gelled water epoxy sand consolidation system
Particular aqueous gels, epoxy resin compositions and optional additives such as diluents, retarders and accelerators are described which produce a practical composition and method for in situ sand...
|
|
|
4193453 |
Method for consolidating sand or water control in subterranean formations
A method and composition for fracturing a subterranean formation which comprises (1) contacting a subterranean formation with an aqueous liquid comprising a propping agent and a composition...
|
|
|
4191254 |
Apparatus and method for plugging voids in a ground stratum
Apparatus and method of filling voids in a ground stratum in the vicinity of a well bore are enclosed. The apparatus is a self-contained device and, for example, it can be placed in the well bore...
|
|
|
4190109 |
Introduction and selective removal of debilitating agent for permeability correction
A debilitating agent is injected into a subterranean formation under conditions of time and injection rates such that it permeates both the more permeable zones and the less permeable zones. A...
|
|
|
4189002 |
Method for rigless zone abandonment using internally catalyzed resin system
A zone of a subterranean formation penetrated by a well bore is permanently plugged by injecting a liquid resin system containing at least one thermosetting resin and at least one curing agent or...
|
|
|
4183406 |
Method of treating a borehole using gellable polymers
Improvements in the treatment of wells that penetrate subterranean formations are accomplished through the use of a polymer solution which includes a neutralized ionomeric polymer dissolved in an...
|
|
|
4168614 |
Method for the consolidation of mining deposits
Mining deposits, e.g., coal fields, are consolidated by injecting therein a composition which includes (a) an aqueous dispersion of a vinyl polymer, (b) at least one water-soluble acrylic monomer,...
|
|
|
4158521 |
Method of stabilizing clay formations
A solution of an oxygenated polyamine, which is the reaction product of dimethylamine and epichlorohydrin, has been discovered to possess excellent stabilization properties when used as a treatment...
|
|
|
4155405 |
Prevention of inflow of water into wells or shafts which have already been drilled or are being drilled
Prevention of inflow of water into the wells or shafts which are already drilled or are being drilled, by means of a polyacrylamide gel cross-linked with a dialdehyde is disclosed. An aqueous...
|
|
|
4148746 |
Aqueous gels
There is disclosed an aqueous medium comprising water to which has been added a water thickening amount of a water thickening polymer which is prepared by polymerizing at least one alkyl acrylate...
|
|
|
4140183 |
Micellar flooding process for heterogeneous reservoirs
A process for recovering oil from a heterogeneous subterranean reservoir having strata of widely varying permeability by injecting therein via a well a slug of a micellar solution followed by an...
|
|
|
4139676 |
Consolidation of aggregate material
Superficial aggregate material (e.g. soil, sand) is consolidated by means of a water-insoluble, moisture-curable NCO-terminated prepolymer having defined physical properties.
|
|
|
4137971 |
Method of consolidating a subterranean formation
A method of preventing the failure of a sand consolidation treatment due to contamination of the resinous material with aqueous rathole fluids during injection is described. The method involves...
|
|
|
4137182 |
Process for fracturing well formations using aqueous gels
A method and composition for fracturing a subterranean formation which comprises (1) contacting a subterranean formation with an aqueous liquid comprising a propping agent and a composition...
|
|
|
4133383 |
Terminating the flow of fluids from uncontrolled wells
A method of terminating the flow of formation fluids from an uncontrolled well comprising introducing a low viscosity fluid into the formation having the property of subsequently becoming highly...
|
|
|
4120361 |
Method for reducing the permeability of subterranean formations to brines
A method for reducing the quantity of water produced from a well bore-penetrated subterranean formation and for increasing the production rate of fluid hydrocarbons produced from said formation....
|
|
|
4120842 |
Sand consolidation composition
Method of and composition for the treatment of unconsolidated sandy formations to stabilize the formation comprising injecting a treating composition consisting essentially of, on a volume basis,...
|
|
|
4113014 |
Process for reinforcing geological formations
The present invention relates to a process for the reinforcement of geological formations and loose rock and earth masses by introducing, into the cavities of the geological formations or rock or...
|
|
|
4110275 |
Control of incompetent formations with thickened acid-settable resin compositions
A method and composition is provided for positioning a polymeric material having particulate matter disposed therein in a subterranean formation penetrated by a wellbore. The composition consists...
|
|
|
4107112 |
Epoxy resin soil stabilizing compositions
A method of stabilizing soil, such as sub-bases, bases and wear courses of roads and airport runways, sand dunes and other loose, particulate material, which includes mixing an epoxy resin ester of...
|
|
|
4105073 |
Tubing conveyed sand consolidating method
Method of completing a hydrocarbon containing formation located downhole in a cased borehole by running a jet perforating gun downhole on the end of a tubing string. The tool string includes a vent...
|
|
|
4105618 |
Control of incompetent formations with thickened compositions containing base-settable resin
Sand control in an incompetent formation is effected by squeezing a thickened composition [comprising a hydrocarbon oil carrier, particulate matter (e.g. sand) a base-settable thermosetting resin,...
|
|
|
4094150 |
Composition of matter useful for earthen formation treatment
A gel-forming composition of matter comprising an aqueous solution of a mixture of certain percentages of monomeric acrylamide and monomeric N,N' methylenebisacrylamide and a polymerization...
|
|
|
4091868 |
Method of treating oil wells
Processes for plugging oil producing formations, fluid thief formations and the like in oil wells and compositions for the same are disclosed.
|
|
|
4085802 |
Use of thickened oil for sand control processes
Sand control in an incompetent formation is effected by squeezing a thickened composition [comprising a hydrocarbon oil carrier, particulate matter (e.g. sand) a base-settable thermosetting resin,...
|
|
|
4081030 |
Aqueous based slurry with chelating agent and method of forming a consolidated gravel pack
An aqueous based slurry is disclosed containing an aqueous carrier fluid, a chelating agent, an epoxy resin, a curing agent for the resin, a solvent for said resin and curing agent, a finely...
|