Goods & Services

Chemical products for use in the oil industry; chemical polymers; polymeric emulsifiers; polymerization catalysts; aqueous polymer dispersions; polymers for industrial use; chemical additives for polymers; reactive liquid polymer compositions; linear aqueous polymer gels; fluidized polymers for industrial use; water-soluble polymers for industrial use; emulsifiers for emulsion polymerization; chemical products for polymerization; solutions for manufacturing polymers; polymers for water absorption; polymers for use in separation processes; fire-extinguishing compositions; catalysts, adsorbents, catalyst supports, chemical additives and chemical reagents other than for medical or veterinary use; chemical products for drilling, extraction, production, treatment of gas, petroleum, water and fluids.

Abstract

The invention relates to a method for diverting flow of water in a subterranean formation said method comprising injecting a first composition comprising microgels and water, a second composition that can generate a gel in the subterranean formation and comprising at least a polymer, a crosslinker and water, and a third composition comprising water and optionally one or more viscosifying agent.

IPC Classes  ?

• C09K 8/508 - Compositions based on water or polar solvents containing organic compounds macromolecular compounds
• C09K 8/512 - Compositions based on water or polar solvents containing organic compounds macromolecular compounds containing cross-linking agents
• C09K 8/516 - Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls characterised by their form or by the form of their components, e.g. encapsulated material

Goods & Services

Chemicals for use in the oil industry; Chemical polymers; Polymeric emulsifiers; Polymerisation catalysts; Aqueous polymer dispersions; Polymers for industrial use; Chemical additives to polymers; Reactive liquid polymer compositions; Aqueous linear polymer gels; Fluidised polymers for industrial use; Water soluble polymers for industrial use; Emulsifiers for emulsion polymerization; Chemicals for use in polymerisations; Polymer solutions; Water absorbing polymers; Polymers used in separation processes; Fire extinguishing compositions; Catalysts, Adsorbents, Catalyst carriers, Chemical additives and Chemical reagents, all the aforesaid other than for medical or veterinary purposes; Chemicals for use in the following fields: Drilling, mining, production, treatment of gas, oil, water and fluids.

Abstract

A method for limiting and/or preventing the migration of fines in a geological formation, in particular a subterranean formation, the method including bringing the formation into contact with one or more copolymers including at most 40 mol % of repeating units derived from a cationic monomer.

IPC Classes  ?

• C09K 8/575 - Compositions based on water or polar solvents containing organic compounds
• C08F 220/56 - AcrylamideMethacrylamide
• E21B 33/138 - Plastering the borehole wallInjecting into the formation

Abstract

The present invention relates to a method for limiting and/or preventing the migration of fines in a geological formation, in particular a subterranean formation, said method comprising bringing the formation into contact with one or more copolymers comprising at most 40 mol% of repeating units derived from a cationic monomer.

IPC Classes  ?

• C09K 8/575 - Compositions based on water or polar solvents containing organic compounds

Abstract

The present invention relates to a method for enhanced oil recovery by flushing an underground formation, comprising the injection into the underground formation of an aqueous composition comprising microgels having at least one crosslinked polymer, characterized in that the polymer is crosslinked with at least one crosslinking agent capable of being degraded under the temperature conditions of the underground formation, and a content of crosslinking agent between 1 and 90 ppm per mole with respect to the total number of moles of monomer constituting the polymer.

IPC Classes  ?

• C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
• E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons
• C09K 8/92 - Compositions for stimulating production by acting on the underground formation characterised by their form or by the form of their components, e.g. encapsulated material

Abstract

The present invention relates to a method for enhanced oil recovery by flushing an underground formation, comprising the injection into the underground formation of an aqueous composition comprising microgels having at least one crosslinked polymer, characterized in that the polymer is crosslinked with at least one crosslinking agent capable of being degraded under the temperature conditions of the underground formation, and a content of crosslinking agent between 1 and 90 ppm per mole with respect to the total number of moles of monomer constituting the polymer.

IPC Classes  ?

• C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
• E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons

Abstract

A method of treating a hydrocarbon containing formation (21), comprising the following steps: (i) drilling at least one first well (22), in the hydrocarbon containing formation (21), (ii) introducing heating means into the first well (22), (iii) drilling at least one second (24) in the hydrocarbon containing formation (21), (iv) applying heat to the hydrocarbon containing formation (21), and simultaneously, (v) injecting a flooding fluid (26) into the hydrocarbon containing formation (21) through the second well (24), wherein the flooding fluid (26) is a water composition with a viscosity superior or equal to 10 mPa.s, and (vi) extracting hydrocarbon (28) from the hydrocarbon containing formation (21).

IPC Classes  ?

• E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons
• C09K 8/584 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants
• C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
• E21B 43/20 - Displacing by water
• E21B 43/24 - Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection

Abstract

6 alkyl or hydroxyalkyl groups, or a polyacrylamide-based copolymer including N-isopropylacrylamide and/or N-vinylpyrrolidone groups. Such a process is advantageous for water shutoff in gas- or oilfields, or to solve to water channelling problems between injection wells and production wells.

IPC Classes  ?

• E02D 3/12 - Consolidating by placing solidifying or pore-filling substances in the soil
• C09K 8/56 - Compositions for consolidating loose sand or the like around wells without excessively decreasing the permeability thereof
• C09K 8/588 - Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
• C09K 17/42 - Inorganic compounds mixed with organic active ingredients, e.g. accelerators
• E02D 3/00 - Improving or preserving soil or rock, e.g. preserving permafrost soil
• E02D 31/04 - Watertight packings for use under hydraulic pressure
• E02B 3/16 - Sealings or joints
• C09K 8/575 - Compositions based on water or polar solvents containing organic compounds
• E21B 43/02 - Subsoil filtering

Abstract

The invention relates to a process for the treatment of a rock formation or cavity, comprising the step of injecting, into said rock formation or cavity, a water solution of a water-soluble thermo-thickening polymer, said thermo- thickening polymer being able to form a gel at a threshold temperature (Tg), an inner temperature (Tint) of the rock formation or cavity being equal or superior to said threshold temperature (Tg), said process being characterized in that the thermo-thickening polymer is a cellulose chain, partially etherified with C1-C6 alkyl or hydroxyalkyl groups, or a polyacrylamide-based copolymer including N-isopropylacrylamide and/or N-vinylpyrrolidone groups. Such a process is advantageous for water shutoff in gas- or oilfields, or to solve to water channelling problems between injection wells and production wells.

IPC Classes  ?

• C09K 8/508 - Compositions based on water or polar solvents containing organic compounds macromolecular compounds
• C09K 8/514 - Compositions based on water or polar solvents containing organic compounds macromolecular compounds of natural origin, e.g. polysaccharides, cellulose
• C09K 8/68 - Compositions based on water or polar solvents containing organic compounds
• C09K 8/88 - Compositions based on water or polar solvents containing organic compounds macromolecular compounds
• C09K 8/90 - Compositions based on water or polar solvents containing organic compounds macromolecular compounds of natural origin, e.g. polysaccharides, cellulose

Goods & Services

Chemical products used in industry, science, agriculture, unprocessed artificial resins, unprocessed plastics; fire extinguishing compositions; catalysts, adsorbents, catalyst carriers, chemical additives and chemical reagents other than for medical or veterinary use, chemical products used for drilling, extraction, production, treatment of gas, petroleum, water and fluids. Building materials, not of metal; non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments not of metal; buildings, not of metal; building glass; concrete; cement; sands; silicas. Construction; construction information; construction consultation; building construction supervision; installation, maintenance and repair of machines for drilling, extraction, production or treatment of gas, petroleum, water and fluids; shipbuilding; drilling works; drilling work supervision.

Goods & Services

Chemical products for use in industry, science, agriculture; unprocessed artificial resins, unprocessed plastics; fire extinguishing compositions; catalysts, adsorbents, catalyst supports, chemical additives and chemical reagents other than for medical or veterinary use; chemical products for drilling, extraction, production, treatment of gas, petroleum, water and fluids. Construction; construction information; construction consultation; building construction supervision; installation, maintenance and repair of machines for drilling, extraction, production or treatment of gas, petroleum, water and fluids; shipbuilding; drilling services; drilling work supervision. Education; training; organization and conducting of colloquiums, conferences or congresses; publication of electronic books and journals on-line. Evaluations, assessments and research in the fields of science and technology provided by engineers; design and development of computers and software; research and development of new products for others; technical project study; scientific and technological services relating to drilling, extraction, production or treatment of gas, petroleum, water and fluids.

Goods & Services

Chemical products for use in industry, science, agriculture; unprocessed artificial resins, unprocessed plastics; fire extinguishing compositions; catalysts, adsorbents, catalyst supports, chemical additives and chemical reagents other than for medical or veterinary use; chemical products for drilling, extraction, production, treatment of gas, petroleum, water and fluids. Non-metallic building materials; non-metallic rigid pipes for building; asphalt, pitch and bitumen; transportable buildings, not of metal; monuments, not of metal; buildings, not of metal; building glass; concrete; cement; sands; silicas. Construction; construction information; construction consultation; building construction supervision; installation, maintenance and repair of machines for drilling, extraction, production or treatment of gas, petroleum, water and fluids; shipbuilding; drilling services; drilling work supervision.

Abstract

A method for the treatment of rock formations which may or may not be underground and, more particularly, of oil or gas production wells, water-injection wells intended to flood hydrocarbon (oil or gas) reservoirs or gas mines or gas storage wells includes a step of injecting, into the rock formation or well, a microgel obtained by dilution in water of a self-invertible inverse latex or of a self-invertible inverse microlatex of a crosslinked polyelectrolyte, obtained by copolymerization, in the presence of a crosslinking agent of partially- or totally-salified free 2-methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid, with at least one cationic monomer chosen from: 2,N,N,N-tetramethyl-2-[(1-oxo-2-propenyl)amino]propanammonium chloride; N,N,N-trimethyl-3-[(1-oxo-2-propenyl)amino]propanammonium chloride; diallyldimethylammonium chloride; N,N,N-trimethyl-2-[(1-oxo-2-propenyl)]ethanammonium chloride; N,N,N-trimethyl-2-[(1-oxo-2-methyl-2-propenyl)]ethanammonium chloride; or N,N,N-trimethyl-3-[(1-oxo-2-methyl-2-propenyl)amino]propanammonium chloride; and with at least one neutral monomer chosen from: acrylamide; N,N-dimethylacrylamide; N-[2-hydroxy-1,1-bis(hydroxymethyl)-ethyl]propenamide; or 2-hydroxyethyl acrylate.

IPC Classes  ?

• C09K 8/68 - Compositions based on water or polar solvents containing organic compounds

Abstract

The invention relates to a method for the treatment of rock formations which may or may not be underground and, more particularly, of oil or gas production wells, water-injection wells intended to flood hydrocarbon (oil or gas) reservoirs or gas mines or gas storage wells. The invention is characterized in that it includes a step comprising the injection, into said rock formation or well, of a microgel obtained by dilution in water of a self-invertible inverse latex or of a self-invertible inverse microlatex of a crosslinked polyelectrolyte, obtained by copolymerization, in the presence of a crosslinking agent of partially- or totally-salified free 2-methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid, with at least one cationic monomer chosen from: 2,N,N,N-tetramethyl-2-[(1-oxo-2-propenyl)amino]propanammonium chloride; N,N,N-trimethyl-3-[(1-oxo-2-propenyl)amino]propanammonium chloride; diallyldimethylammonium chloride; N,N,N-trimethyl-2-[(1-oxo-2-propenyl)]ethanammonium chloride; N,N,N-trimethyl-2-[(1-oxo-2-methyl-2-propenyl)]ethanammonium chloride; or N,N,N-trimethyl-3-[(1-oxo-2-methyl-2-propenyl)amino]propanammonium chloride; and with at least one neutral monomer chosen from: acrylamide; N,N-dimethylacrylamide; N-[2-hydroxy-1,1-bis(hydroxymethyl)­ethyl]­propen­amide; or 2-hydroxyethyl acrylate.

IPC Classes  ?

• C08F 220/56 - AcrylamideMethacrylamide
• C08F 220/58 - Amides containing oxygen in addition to the carbonamido oxygen
• C08F 220/60 - Amides containing nitrogen in addition to the carbonamido nitrogen
• C08J 3/075 - Macromolecular gels
• C08J 3/12 - Powdering or granulating
• C09K 8/512 - Compositions based on water or polar solvents containing organic compounds macromolecular compounds containing cross-linking agents
• C09K 8/516 - Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls characterised by their form or by the form of their components, e.g. encapsulated material
• C09K 8/575 - Compositions based on water or polar solvents containing organic compounds
• E21B 33/138 - Plastering the borehole wallInjecting into the formation
• E21B 43/25 - Methods for stimulating production