WO2020157429A1 - Procede de modification de la permeabilite a l'eau d'une formation souterraine - Google Patents
Procede de modification de la permeabilite a l'eau d'une formation souterraine Download PDFInfo
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- WO2020157429A1 WO2020157429A1 PCT/FR2020/050134 FR2020050134W WO2020157429A1 WO 2020157429 A1 WO2020157429 A1 WO 2020157429A1 FR 2020050134 W FR2020050134 W FR 2020050134W WO 2020157429 A1 WO2020157429 A1 WO 2020157429A1
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- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 30
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- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 244000007835 Cyamopsis tetragonoloba Species 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Chemical group 0.000 description 1
- RXGLHDWAZQECBI-SRVKXCTJSA-N Leu-Leu-Ser Chemical compound CC(C)C[C@H](N)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CO)C(O)=O RXGLHDWAZQECBI-SRVKXCTJSA-N 0.000 description 1
- FFDGPVCHZBVARC-UHFFFAOYSA-N N,N-dimethylglycine Chemical compound CN(C)CC(O)=O FFDGPVCHZBVARC-UHFFFAOYSA-N 0.000 description 1
- QZXSMBBFBXPQHI-UHFFFAOYSA-N N-(dodecanoyl)ethanolamine Chemical compound CCCCCCCCCCCC(=O)NCCO QZXSMBBFBXPQHI-UHFFFAOYSA-N 0.000 description 1
- 229920001213 Polysorbate 20 Polymers 0.000 description 1
- 229920001214 Polysorbate 60 Polymers 0.000 description 1
- 229920002305 Schizophyllan Polymers 0.000 description 1
- NWGKJDSIEKMTRX-AAZCQSIUSA-N Sorbitan monooleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O NWGKJDSIEKMTRX-AAZCQSIUSA-N 0.000 description 1
- HVUMOYIDDBPOLL-XWVZOOPGSA-N Sorbitan monostearate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O HVUMOYIDDBPOLL-XWVZOOPGSA-N 0.000 description 1
- 239000004147 Sorbitan trioleate Substances 0.000 description 1
- PRXRUNOAOLTIEF-ADSICKODSA-N Sorbitan trioleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](OC(=O)CCCCCCC\C=C/CCCCCCCC)[C@H]1OC[C@H](O)[C@H]1OC(=O)CCCCCCC\C=C/CCCCCCCC PRXRUNOAOLTIEF-ADSICKODSA-N 0.000 description 1
- 229920013800 TRITON BG-10 Polymers 0.000 description 1
- NCHJGQKLPRTMAO-XWVZOOPGSA-N [(2R)-2-[(2R,3R,4S)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] 16-methylheptadecanoate Chemical compound CC(C)CCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O NCHJGQKLPRTMAO-XWVZOOPGSA-N 0.000 description 1
- ZBNRGEMZNWHCGA-PDKVEDEMSA-N [(2r)-2-[(2r,3r,4s)-3,4-bis[[(z)-octadec-9-enoyl]oxy]oxolan-2-yl]-2-hydroxyethyl] (z)-octadec-9-enoate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](OC(=O)CCCCCCC\C=C/CCCCCCCC)[C@H]1OC(=O)CCCCCCC\C=C/CCCCCCCC ZBNRGEMZNWHCGA-PDKVEDEMSA-N 0.000 description 1
- LWZFANDGMFTDAV-BURFUSLBSA-N [(2r)-2-[(2r,3r,4s)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O LWZFANDGMFTDAV-BURFUSLBSA-N 0.000 description 1
- HVUMOYIDDBPOLL-XGKPLOKHSA-N [2-[(2r,3r,4s)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)[C@H]1OC[C@H](O)[C@H]1O HVUMOYIDDBPOLL-XGKPLOKHSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 150000001412 amines Chemical group 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 125000003636 chemical group Chemical group 0.000 description 1
- 239000013626 chemical specie Substances 0.000 description 1
- 150000001844 chromium Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- GHVNFZFCNZKVNT-UHFFFAOYSA-M decanoate Chemical compound CCCCCCCCCC([O-])=O GHVNFZFCNZKVNT-UHFFFAOYSA-M 0.000 description 1
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- SCQOZUUUCTYPPY-UHFFFAOYSA-N dimethyl-[(prop-2-enoylamino)methyl]-propylazanium;chloride Chemical compound [Cl-].CCC[N+](C)(C)CNC(=O)C=C SCQOZUUUCTYPPY-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- AFOSIXZFDONLBT-UHFFFAOYSA-N divinyl sulfone Chemical compound C=CS(=O)(=O)C=C AFOSIXZFDONLBT-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- CCIVGXIOQKPBKL-UHFFFAOYSA-M ethanesulfonate Chemical compound CCS([O-])(=O)=O CCIVGXIOQKPBKL-UHFFFAOYSA-M 0.000 description 1
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Chemical compound CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- NIDYWHLDTIVRJT-UJPOAAIJSA-N heptyl-β-d-glucopyranoside Chemical compound CCCCCCCO[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O NIDYWHLDTIVRJT-UJPOAAIJSA-N 0.000 description 1
- PYGSKMBEVAICCR-UHFFFAOYSA-N hexa-1,5-diene Chemical group C=CCCC=C PYGSKMBEVAICCR-UHFFFAOYSA-N 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- PYIDGJJWBIBVIA-UYTYNIKBSA-N lauryl glucoside Chemical compound CCCCCCCCCCCCO[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O PYIDGJJWBIBVIA-UYTYNIKBSA-N 0.000 description 1
- 229940048848 lauryl glucoside Drugs 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- 229940105132 myristate Drugs 0.000 description 1
- MVVMETRGWFSULN-UHFFFAOYSA-N n',n',2-trimethyl-n-propylprop-2-enehydrazide Chemical class CCCN(N(C)C)C(=O)C(C)=C MVVMETRGWFSULN-UHFFFAOYSA-N 0.000 description 1
- MCJSBJWFBJVOFV-UHFFFAOYSA-N n',n'-dimethyl-2-methylidenepentanehydrazide Chemical class CCCC(=C)C(=O)NN(C)C MCJSBJWFBJVOFV-UHFFFAOYSA-N 0.000 description 1
- DYUWTXWIYMHBQS-UHFFFAOYSA-N n-prop-2-enylprop-2-en-1-amine Chemical compound C=CCNCC=C DYUWTXWIYMHBQS-UHFFFAOYSA-N 0.000 description 1
- 229920005690 natural copolymer Polymers 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- HEGSGKPQLMEBJL-RKQHYHRCSA-N octyl beta-D-glucopyranoside Chemical compound CCCCCCCCO[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O HEGSGKPQLMEBJL-RKQHYHRCSA-N 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000004533 oil dispersion Substances 0.000 description 1
- 229940049964 oleate Drugs 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 description 1
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 description 1
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 1
- 229920000053 polysorbate 80 Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005956 quaternization reaction Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 235000011067 sorbitan monolaureate Nutrition 0.000 description 1
- 235000011076 sorbitan monostearate Nutrition 0.000 description 1
- 239000001587 sorbitan monostearate Substances 0.000 description 1
- 229940035048 sorbitan monostearate Drugs 0.000 description 1
- 229960005078 sorbitan sesquioleate Drugs 0.000 description 1
- 235000019337 sorbitan trioleate Nutrition 0.000 description 1
- 229960000391 sorbitan trioleate Drugs 0.000 description 1
- 239000001589 sorbitan tristearate Substances 0.000 description 1
- 229960004129 sorbitan tristearate Drugs 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- TUNFSRHWOTWDNC-UHFFFAOYSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCCC(O)=O TUNFSRHWOTWDNC-UHFFFAOYSA-N 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- VPYJNCGUESNPMV-UHFFFAOYSA-N triallylamine Chemical compound C=CCN(CC=C)CC=C VPYJNCGUESNPMV-UHFFFAOYSA-N 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 239000007762 w/o emulsion Substances 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
- C09K8/44—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing organic binders only
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
- C09K8/588—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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F220/56—Acrylamide; Methacrylamide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
- C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
- C08F265/06—Polymerisation of acrylate or methacrylate esters on to polymers thereof
Definitions
- This invention is in the field of oil and gas recovery from an underground formation. More particularly, the invention relates to a method for modifying the water permeability of a subterranean formation, comprising injecting, into the subterranean formation, an injection fluid comprising at least one encapsulated (co) polymer. in an envelope.
- the formations sometimes have interesting areas containing hydrocarbons but with strong contrasts in permeabilities or different volume fractions of water.
- the injected water finds the path with the least resistance to its propagation, that is to say the most relative permeability. favorable to water, to reach production wells quickly, i.e. it passes through areas with a high water volume fraction and / or with a high permeability, thus flowing avoiding d other areas rich in hydrocarbons less favorable to its propagation without pushing them towards production wells.
- Polymeric solutions are injected into such high permeability and / or high water content areas to replace existing fluids and reduce their water permeability due to their high viscosity. These polymeric solutions, once in their gelled form, are used to divert the flow of water or gas towards the less permeable zones by permanently blocking the zones of high permeability. The blocking of certain areas may indeed prove to be necessary given that they may be the source of water inflows which seriously disturb the recovery of the hydrocarbons. However, during the injection of polymers into the subterranean formation, the polymer solutions are subjected to mechanical and chemical degradation. Mechanical damage is due to high shears and elongation flows, in particular in the initial injection unit, nozzles and pumps, constrictions in the reservoirs and around the wells.
- Chemical degradation is mainly due to the presence of oxygen which is the most harmful factor in the degradation of the polymer.
- the oxygen degradation reaction of polymers is amplified by the presence of reducing chemical species such as iron and hydrogen sulfide.
- the gel-based processes do not make it possible to easily control either the gelation kinetics or the consistency of the gel; they generate a high risk of damage to the well, they cause the retention and adsorption of the crosslinking agent on the reservoir rock, and they only allow the placement of the gel in areas of high permeability with difficulty while avoiding the invasion of the oil or gas zones by, among other things, the viscosity which they impart to the injected fluid.
- the problem that the applicant proposes to solve is the protection against chemical and mechanical degradation of the polymers used during a process for modifying the permeability to water of an underground formation.
- the invention relates to a method for modifying the water permeability of a subterranean formation using a (co) polymer capable of forming a hydrogel in the presence of water.
- the (co) polymer is crosslinked.
- the (co) polymer can be crosslinked at the latest in the subterranean formation in order to be able to modify the permeability of the latter. It is also possible to prepare a composition comprising a crosslinked (co) polymer prior to the injection of the composition into the subterranean formation.
- the invention can therefore be implemented according to two distinct embodiments.
- the invention relates to a method for modifying the permeability to water of a subterranean formation comprising at least the following steps:
- hydrophilic phase comprising at least one crosslinked PR (co) polymer
- o X is a group selected from alkanolamides, sorbitan esters, ethoxylated sorbitan esters, glyceryl esters, and polyglycosides; and comprising a hydrocarbon chain, saturated or unsaturated, linear, branched or cyclic, optionally aromatic, Injection of the injection fluid into a subterranean formation, said crosslinked (co) polymer PR forming a hydrogel in the presence of water.
- the invention relates to a process for modifying the water permeability of a subterranean formation comprising at least the following steps:
- hydrophilic phase comprising at least one non-crosslinked NR (co) polymer
- o X is a group selected from alkanolamides, sorbitan esters, ethoxylated sorbitan esters, glyceryl esters, and polyglycosides; and comprising a hydrocarbon chain, saturated or unsaturated, linear, branched or cyclic, optionally aromatic,
- polymer composed of at least one monomer is meant a polymer obtained from several molecules of at least one monomer.
- a polymer of a monomer corresponds to a polymer obtained from several repeating units of molecules of a monomer.
- the dispersion is a dispersion of a hydrophilic phase in a lipophilic phase.
- the lipophilic phase is the continuous phase and the hydrophilic phase is the dispersed phase.
- the interfacial polymer is placed at the interface between the hydrophilic phase and the lipophilic phase.
- the hydrophilic phase is an aqueous phase and the lipophilic phase is an oily phase.
- the composition according to the invention is advantageously a water-in-oil dispersion, more advantageously a water-in-oil emulsion.
- the interfacial polymer obtained by polymerization of at least one monomer of formula (I) forms an envelope at the interface of the hydrophilic phase and the lipophilic phase.
- the envelope is resistant to mechanical stresses such as shear and more particularly shear during the dissolution of the polymer, during its injection through valves, nozzles and other restrictions with passage speeds greater than 3 meters per second, or when scanning a subterranean formation near the layer-to-hole link.
- the casing is also resistant to chemical stresses which may be due to the presence of oxygen, SLL or metals during the injection phase.
- the envelope is semi-permeable.
- the dispersion is basically in the form of an inverse emulsion.
- the hydrophilic phase is in the form of dispersed micrometric droplets, advantageously emulsified, in the lipophilic phase.
- the average size of these droplets is advantageously between 0.01 and 30 LHTI, more preferably between 0.05 and 3 ⁇ m.
- the interfacial polymer therefore comes to be placed at the interface between the hydrophilic phase and the lipophilic phase at the level of each droplet.
- the average size of the droplets is advantageously measured with a laser measuring device using conventional techniques which form part of the general knowledge of those skilled in the art. A Mastersizer-type device from the Malvem company can be used for this purpose.
- the dispersion according to the invention contains between 10 and 65% by mass of (co) polymer, more preferably between 30 and 60% by mass.
- the dispersion according to the invention has a hydrophilic phase / lipophilic phase mass ratio advantageously between 0.1 and 100, more advantageously between 1 and 80, and even more advantageously between 10 and 60.
- the (co) polymer present in the hydrophilic phase can be a natural (co) polymer, such as, for example, xanthan gums, guar gums, schyzophillan, scleroglucan or other compounds of the polysaccharide family, or a (co) ) synthetic or semi-synthetic polymer.
- the (co) polymer is a synthetic (co) polymer.
- the nonionic monomer (s) which can be used in the context of the invention can be chosen, in particular, from the group comprising vinyl monomers soluble in water.
- the nonionic monomer does not include the monomers of formula (I).
- Preferred monomers belonging to this class are, for example, acrylamide, methacrylamide, N-isopropylacrylamide, N, N-dimethylacrylamide and N-methylolacrylamide.
- N-vinylformamide, N-vinyl acetamide, N-vinylpyridine and N-vinylpyrrolidone, acryloyl morpholine (ACMO), glycidyl methacrylate, glyceryl methacrylate and diacetone acrylamide can be used.
- a preferred nonionic monomer is acrylamide.
- the anionic monomer (s) are preferably chosen from acrylic acid, methacrylic acid, itaconic acid, maleic acid, acrylamido tertio butyl sulfonic acid (also called ATBS or 2-acrylamido-2-methylpropane sulfonic acid ), vinylsulphonic acid, vinylphosphonic acid, said anionic monomer being unsalted, partially or totally salified, and the salts of 3-sulfopropyl methacrylate.
- the salified form advantageously corresponds to salts of alkali metals (Li, Na, K, etc.), of alkaline earth metals (Ca, Mg, etc.) or of ammonium, in particular quaternary ammoniums.
- the cationic monomers and the anionic monomers include the unsalted, partially or totally salified forms.
- the cationic monomer (s) which can be used in the context of the invention can be chosen, in particular from monomers of the acrylamide, acrylic, vinyl, allylic or maleic type having a quaternary ammonium function by salification or quaternization. Mention may be made, in particular and in a nonlimiting manner, of quaternized dimethylaminoethyl acrylate (AD AME), quaternized dimethylaminoethyl methacrylate (MADAME), dimethyldiallylammonium chloride (DADMAC), acrylamido propyltrimethyl ammonium chloride (APTAC) , and methacrylamido propyltrimethyl ammonium chloride (MAPTAC).
- AD AME quaternized dimethylaminoethyl acrylate
- MADAME quaternized dimethylaminoethyl methacrylate
- DDADMAC dimethyldiallylammonium chloride
- ATAC acrylamido prop
- the cationic monomer (s) can also be chosen from associative cationic monomers as described in patent FR 2 868 783.
- the monomer can optionally be a zwitterionic monomer of acrylamide, acrylic, vinyl, allylic or maleic type having an amine or quaternary ammonium function and an acid function of carboxylic, sulphonic or phosphoric type.
- the (co) polymer is composed only of ATBS.
- the (co) polymer is preferably an anionic (co) polymer based on acrylamide, preferentially a (co) polymer of acrylamide and acrylamido tertio butyl sulfonic acid (ATBS) optionally partially post-hydrolyzed, more preferably a ter ( co) polymer of acrylamide, acrylic acid and acrylamido tertio butyl sulfonic acid (ATBS).
- ATBS acrylamido tertio butyl sulfonic acid
- the (co) polymer preferably contains between 10% and 50 mol% of anionic monomer (s), more preferably between 20% and 45 mol%.
- the (co) polymer preferably contains between 50% and 90 mol% of nonionic monomer (s), more preferably between 60% and 75 mol%.
- the (co) polymer contains only anionic and nonionic monomeric units. In other words, it is preferably obtained from at least one anionic monomer and at least one nonionic monomer.
- the (co) polymer can be obtained by any polymerization technique such as conventional radical polymerization, controlled radical polymerization known as RAFT (reversible chain transfer by addition-fragmentation, from the English “reversible-addition fragmentation chain transfer "), NMP (polymerization in the presence of nitroxides, standing for" Nitroxide Mediated Polymerization ”) or ATRP (radical polymerization by atom transfer, standing for" Atom Transfert Radical Polymerization ").
- RAFT controlled radical polymerization
- NMP polymerization in the presence of nitroxides, standing for" Nitroxide Mediated Polymerization
- ATRP radioactive radical polymerization by atom transfer, standing for" Atom Transfert Radical Polymerization
- the (co) polymer of the hydrophilic phase is crosslinked, PR.
- at least one crosslinking agent which can be chosen from the following groups:
- polyethylenically unsaturated monomers having at least two unsaturated functions
- unsaturated functions such as for example vinyl, allylic, acrylic and epoxy functions and one can cite for example methylene bis acrylamide (MBA), triallyamine, or again, and / or
- crosslinking agents based on multivalent metals such as salts or complexes of Cr 3+ , Al 3+ , Fe 3+ or Ti 4+ and / or
- macroinitiators such as polyperoxides, polyazoids and transfer polyagents such as polymercaptant (co) polymers, and polyols, and / or functionalized polysaccharides.
- the crosslinking leading to the (co) polymer PR is advantageously carried out during or after the polymerization of the monomers, preferably during.
- the crosslinking of the (co) polymer NR is not carried out in the dispersion.
- it is NR (co) polymer.
- the NR (co) polymer, which is uncrosslinked, can be linear or branched.
- the NR (co) polymer is linear.
- the (co) polymer NR is crosslinked once released directly into the injection fluid using at least one crosslinking agent which can be chosen from the above groups. . This step is explained in more detail below in the paragraph “Method for modifying the permeability”.
- the amount of crosslinking agent in the NR or PR (co) polymer is advantageously between 0.1 ppm and 50,000 ppm by weight relative to the amount of monomers, more advantageously between 1 ppm and 5,000 ppm, and again more preferably between 10 ppm and 500 ppm.
- this amount of crosslinking agent is advantageously present in the injection fluid when the NR (co) polymer is used.
- the (co) polymer of the hydrophilic phase comprises at least one associative cationic monomer and / or at least one group with an LCST.
- the (co) polymer can comprise at least one LCST group.
- an LCST group corresponds to a group whose solubility in water for a determined concentration is modified beyond a certain temperature and as a function of the salinity.
- This is a group with a transition temperature by heating defining its lack of affinity with the solvent medium.
- the lack of affinity with the solvent results in an opacification or a loss of transparency which can be due to a precipitation, an aggregation, a gelation or a viscosification of the medium.
- the minimum transition temperature is called “LCST” (lower critical solubility temperature, from the acronym “Lower Critical Solution Temperature”).
- LCST lower critical solubility temperature
- the (co) polymer can comprise at least one UCST group.
- a UCST group corresponds to a group whose solubility in water for a determined concentration is modified below a certain temperature and according to the salinity.
- This is a group exhibiting a cooling transition temperature defining its lack of affinity with the solvent medium.
- the lack of affinity with the solvent results in opacification or loss of transparency which may be due to precipitation, aggregation, gelation or viscosification of the medium.
- the maximum transition temperature is called "UCST” (upper critical solubility temperature, from the acronym “Upper Critical Solution Temperature”).
- UCST upper critical solubility temperature
- the (co) polymer has an advantageously high molecular weight.
- high molecular weight denotes molecular weights of at least 1 million g / mol, preferably between 2 and 40 million g / mol, more preferably between 5 and 30 million g / mol. Molecular weight is referred to as weight average molecular weight.
- the interfacial polymer is obtained from at least one monomer of formula (I):
- o X is a group selected from alkanolamides, sorbitan esters, ethoxylated sorbitan esters, glyceryl esters, and polyglycosides; and comprising a hydrocarbon chain, saturated or unsaturated, linear, branched or cyclic, optionally aromatic.
- X comprises a hydrocarbon chain and a group selected from alkanolamides, sorbitan esters, ethoxylated sorbitan esters, glyceryl esters, and polyglycosides.
- this hydrocarbon chain comprises C2 to C30 carbon atoms. According to a preferred embodiment, it forms an integral part of the group chosen from alkanolamides, sorbitan esters, ethoxylated sorbitan esters, glyceryl esters, and polyglycosides.
- X can in particular be one of the following groups:
- an alkanolamide preferably of the formula diethanolamide monooleate (Witcamide 511), stearoyl ethanolamide (Witcamide 70), oleic acid monoisopropanolamide (Witcamide 61), isostearic acid monoisopropanolamide (Witcamide SPA), coco monoisopropanolanamide (Empilanolamide) (Empil coconut monoethanolamide, oleic acid diethanolamide (Mexanyl), oleyl monoisopropanolamide (Simaline IE 101), a sorbitan ester, for example and without limitation a sorbitan monolaurate (Span 20), sorbitan monopalmitate (Span 40), sorbitan monostearate (Span 60), sorbitan monoisostearate (Span 70), sorbitan tristearate (Span 65), sorbitan monooleate (Span 80), sorbitan sesquioleate (Span 83) or sorbitan trio
- an ethoxylated sorbitan ester preferably of the formula polyethylene glycol of sorbitan monolaurate (Tween 20), polyethylene glycol of sorbitan monopalmitate (Tween 40), polyethylene glycol of sorbitan monostearate (Tween 60), polyethylene glycol of sorbitan monooleate ( Tween 80) or sorbitan trioleate polyethylene glycol (Tween 85),
- a glyceryl ester preferably of the formula polyglycerol monolaurate (Decaglyn IL), polyglycerol myristate (Decaglyn 1-M), polyglycerol decaoleate (Polyaldo 10-10-0), polyglycerol distearate (Polyaldo 6-2-S) , polyglycerol oleate (Polyaldo 10-1-0), polyglycerol caprate (Polyaldo 10-1 CC KFG), or polyglycerol stearate (Polyaldo 10-1 -S),
- a polyglucosides preferably of the formula ofyl glucoside (Triton BG-10), lauryl glucoside (Plantacare 1200UP), capryle glucoside (Plantacare 810 UP), butyl glucoside (Simulsol SL 4), heptyl glucoside (Simulsol SL 7 G) , octyl and decyl glucoside (Simulsol SL 8), decyl glucoside (Simulsol SL 10), undecyle glucoside (Simulsol SL 11 W), decyl and hexadecyl glucoside (Simulsol SL 26), or octyl glucoside and hexadecyl (Simulsol SL 826).
- the monomer of formula (I) has an HLB value advantageously less than 4.5, and advantageously at least 1.
- the HLB value (“hydrophilic - lipophilic balance” or hydrophilic / lipophilic balance) makes it possible to quantify the balance existing between the hydrophilic part and the lipophilic part of a molecule. This value is determined by calculating the values of the different parts of the molecule, as described by Griffin in 1949 (Griffin WC, Classification of Surface-Active Agents by HLB, Journal of the Society of Cosmetic Chemists 1 (1949): 311).
- Griffin's method used conventionally, is based on the calculation of the values of the chemical groups of the molecule. Griffin assigned a value between 0 and 20 thus giving the information on the solubility in a hydrophilic medium and in a lipophilic medium of the molecule. Thus substances with an HLB of 10 are distributed equally in both phases, namely the hydrophilic part in the hydrophilic phase and the hydrophobic part in the phase. lipophilic.
- Mh the molecular mass of the hydrophilic part.
- the monomer of formula (I) has the following formula:
- R2, R3 are independently a hydrogen atom or a methyl group
- - X is a group chosen from alkanolamide and sorbitan esters, and comprising a hydrocarbon chain, saturated or unsaturated, linear, branched or cyclic, optionally aromatic.
- the monomer of formula (I) is chosen from (meth) acrylate of sorbitan monooleate, 2-hydroxypropyl (meth) acrylate of diethanolamide monooleate and glyceryl (meth) acrylate of monooleate of sorbitan.
- the monomer of formula (I) is as follows:
- the interfacial polymer according to the invention is obtained by polymerization of at least one monomer of formula (I).
- the interfacial polymer according to the invention is obtained by polymerization of at least one monomer of formula (I) and of at least one nonionic monomer and / or at least one anionic monomer and / or minus one cationic monomer.
- the interfacial polymer comprises between 0.0001 and 10%, more advantageously between 0.0001 and 5% even more advantageously from 0.0001 to 1% of monomer of formula (I), by weight relative to the total weight of monomers.
- the interfacial polymer comprises between 50 and 99.9999%, more advantageously between 60 and 99.9999% of nonionic monomer (different from the monomer of formula (I)) by weight relative to the total weight of monomers.
- the interfacial polymer comprises between 10 and 99.9999%, more advantageously between 20 and 99.9999% of anionic monomer, by weight relative to the total weight of monomers.
- the interfacial polymer comprises between 1 and 99.9999%, more advantageously between 10 and 99.9999% of cationic monomer, by weight relative to the total weight of monomers.
- the interfacial polymer is neither crosslinked nor branched. It is advantageously linear.
- the interfacial polymer forms an envelope around droplets forming the hydrophilic phase.
- the interfacial polymer can comprise at least one structural agent.
- the structural agent is advantageously chosen from diacrylamides or methacrylamides of diamines; acrylic esters of di, tri, or tetrahydroxy compounds; methacrylic esters of di, tri, or tetrahydroxy compounds; divinyl compounds preferably separated by an azo group; diallyl compounds preferably separated by an azo group; vinyl esters of di or trifunctional acids; allylic esters of di or trifunctional acids; methylenebisacrylamide; diallylamine; triallylamine; tetraallylammonium chloride; divinylsulfone; polyethylene glycol dimethacrylate and diethylene glycol diallyl ether.
- the injection fluid used in the method according to the invention has the functionality of gelling in areas of high permeability and / or with a high water content in order to reduce or eliminate the permeability of these areas.
- the method of modifying the water permeability of a subterranean formation according to the invention comprises the following steps:
- the operations of modifying the water permeability of a reservoir are distinguished from enhanced oil recovery techniques.
- the modification operations are characterized by injections limited in volume of polymer solution in order to create a phenomenon localized in the reservoir, namely, for conformance, a blockage of areas of high permeability and, for water stopping, a blockage of the zone where water enters the formation.
- the injections are generally carried out either via an injection well or via a production well over fairly short durations of a few days and generally less than one month, and with volumes representing less than 5% of the volume of the pores of the reservoir.
- the pore volume corresponds to the volume not occupied by rock in the reservoir, which allows a correlation with the permeable zone.
- enhanced oil recovery techniques using polymers involve a continuous and prolonged injection of polymer solution in order to sweep the reservoir from an injection well to a production well.
- the objective is not to treat one area of the reservoir but the reservoir as a whole, in order to recover as much oil as possible. For this, it is necessary to inject a much larger volume of aqueous solution generally representing at least 50% to 500%, or even more, of the pore volume. An oily and sometimes gaseous aqueous mixture is then recovered from the producing wells.
- the (co) polymer PR is in crosslinked form in order to be able to modify the permeability of the underground formation, the (co) polymer PR forming a hydrogel in the presence of water.
- the (co) polymer PR swells by picking up water.
- the (co) polymer PR causes the injection fluid to gel, thus forming a hydrogel.
- the gelation of the injection fluid causes the plugging of certain areas and consequently changes the permeability of the underground formation.
- the NR (co) polymer is not in crosslinked form upon injection of the injection fluid.
- the NR (co) polymer crosslinks, using a crosslinking agent, forming a hydrogel in the presence of water.
- the NR (co) polymer swells upon capturing water.
- the crosslinked NR (co) polymer causes the injection fluid to gel, forming a hydrogel. The gelation of the injection fluid causes the plugging of certain areas and consequently changes the permeability of the underground formation.
- the dispersion as described above not only makes it possible to protect the (co) polymers PR and NR from chemical and mechanical degradation during the stages of preparation and injection of the injection fluid, but also delay the gelation of the fluid. These properties are obtained by virtue of the envelope formed by the interfacial polymer which, by degrading by hydrolysis, causes the release of the (co) polymer PR or NR.
- the injection fluid comprises at least one crosslinking agent (crosslinking agent) which can be chosen from the crosslinkers mentioned above, in particular crosslinkers based on multivalent metals such as salts or complexes of Cr 3+ , Al 3+ , Fe 3+ or Ti 4+ .
- crosslinking agent crosslinking agent
- the latter reacts with the crosslinking agent present in the injection fluid to form a gel.
- the (co) polymer of the hydrophilic phase is generally not crosslinked before its release.
- a crosslinking agent as described above, can also be injected with the injection fluid even if the (co) polymer PR is already crosslinked. In fact, depending on the characteristics of the subterranean formation, it may be advantageous to crosslink the (co) polymer PR more strongly.
- the injection fluid advantageously comprises between 30 ppm and 50,000 ppm (by weight) of the dispersion or of the concentrated dispersion or of the solid form obtained from the dispersion, more preferably between 100 and 30,000 ppm, and even more preferably between 300 and 15,000 ppm.
- the injection fluid advantageously comprises between 10 ppm and 15,000 ppm (by weight) of (co) polymer (PR or NR according to the embodiment), more advantageously between 50 and 10,000 ppm, and again more preferably between 100 and 5000 ppm.
- the (co) polymer is released, following the degradation of the shell formed by the interfacial polymer under the temperature and / or pH conditions of the underground formation.
- the (co) polymer included in the hydrophilic phase is protected by the shell formed of at least one interfacial polymer obtained by polymerization of at least one monomer of formula (I), the shell being capable of being degraded in the temperature and / or pH conditions of the subterranean formation.
- the process according to the invention makes it possible to preserve the polymer from mechanical and chemical degradations (oxygen, metals, LLS) linked to the preparation of the composition injected with the polymer, and to its injection, while maintaining good injectivity and good faculty. sealing the permeable areas of the underground formation.
- the envelope makes it possible to delay the release of (co) polymers.
- the formation of the injection fluid by introducing the dispersion according to the invention does not make it possible to release the (co) polymer from its envelope, even in the presence of an inverter (surfactant oil in water).
- the pH and / or the temperature of the subterranean formation allows the hydrolysis of the interfacial polymer and therefore the delayed release of the (co) polymer.
- Part A Preparation of a composition C1 comprising an XI monomer corresponding to formula (I)
- Part B Preparation of a dispersion with an interfacial polymer (invention)
- a hydrophilic phase is prepared containing 365.8g of acrylamide (50% aqueous solution by weight), 24.6g of acrylic acid (100%), 234.6g of sodium salt of 2-acrylamido 2-tertio butyl acid. sulfonic acid (50% by weight aqueous solution), 29.0g of deionized water, 25.9g of soda (50% by weight aqueous solution), 0.5g of methylenebisacrylamide, 1.6g of an aqueous solution of sodium hypophosphite (5g / L), 0.94g of ter-butyl hydroperoxide (0.7% by weight aqueous solution), 0.40g of pentasodium salt of diethylene triamine penta acetic acid (Versenex 80) dispersed in a mixture of 280 g of aliphatic hydrocarbon DI 00s (Exxsol DI 00) and of 20 g of composition C1 comprising a monomer XI of part A. The pH is adjusted to 6.50.
- the polymerization is initiated by adding a solution of sodium bisulfite.
- Part A Preparation of a C2 composition comprising a monomer X2 corresponding to formula (I)
- Part B Preparation of a dispersion without interfacial polymer (counterexample)
- a hydrophilic phase is prepared containing 365.8g of acrylamide (50% aqueous solution by weight), 24.6g of acrylic acid (100%), 234.6g of sodium salt of 2-acrylamido 2-tertio butyl acid. sulfonic acid (50% by weight aqueous solution), 29.0g of deionized water, 25.9g of soda (50% by weight aqueous solution), 0.5g of methylenebisacrylamide, 1.6g of an aqueous solution of sodium hypophosphite (5g / L), 0.94g of ter-butyl hydroperoxide (0.7% by weight aqueous solution), 0.40g of pentasodium salt of diethylene triamine penta acetic acid (Versenex 80) dispersed in a mixture of 280g of DI 00s aliphatic hydrocarbon (Exxsol DI 00) and 20g of oleyl diethanolamide (Witcamide 511 diethanolamide monooleate - Akzo nobel
- the polymerization is initiated by adding a solution of sodium bisulfite.
- Part C Preparation of a dispersion with an interfacial polymer from a dispersion without an interfacial polymer (invention)
- composition C2 comprising a monomer X2 are added to the dispersion obtained in part B.
- the formation of the interfacial polymer, by polymerization of the monomers of composition C2, is initiated by adding a solution of sodium bisulfite (radical initiator). Resistance to mechanical degradation
- aqueous solutions at 100Oppm of polymer of Example 1 (with shell) and of the counterexample (without shell - example 2 part B) were prepared in synthetic seawater.
- the solutions were sheared by passing them through a small section pipe at different pressures.
- the shear gradient is determined by measuring the flow at the outlet of a 0.5 mm capillary.
- the samples are then collected at the outlet of the pipe and the viscosity is measured at 7.3 s 1 and 25 ° C. on a Kinexus Pro + from Malvem Instruments.
- the data is shown in Table 1.
- the shellless polymer is rapidly degraded.
- the solutions prepared according to the invention were collected after shearing, that is to say at each reading point. They are, after measuring their viscosity, then activated by being placed for 4 days in an oven at 60 ° C. Their viscosity after release of the water-soluble polymer is then measured. This remains very close to the viscosity of unsheared solutions and without initial envelope (counterexample).
Abstract
Description
Claims
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Application Number | Priority Date | Filing Date | Title |
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CN202080011679.8A CN113423801B (zh) | 2019-02-01 | 2020-01-29 | 用于改变地下地层的水渗透性的方法 |
CA3127412A CA3127412A1 (fr) | 2019-02-01 | 2020-01-29 | Procede de modification de la permeabilite a l'eau d'une formation souterraine |
US17/422,840 US11767460B2 (en) | 2019-02-01 | 2020-01-29 | Method for modifying the water permeability of a subterranean formation |
EP20707498.0A EP3918026A1 (fr) | 2019-02-01 | 2020-01-29 | Procede de modification de la permeabilite a l'eau d'une formation souterraine |
EA202191832A EA202191832A1 (ru) | 2019-02-01 | 2020-01-29 | Способ модификации водопроницаемости подземного пласта |
BR112021014942A BR112021014942A2 (pt) | 2019-02-01 | 2020-01-29 | Método para modificar a permeabilidade à água de uma formação subterrânea |
CONC2021/0010132A CO2021010132A2 (es) | 2019-02-01 | 2021-07-30 | Procedimiento de modificación de la permeabilidad al agua de una formación subterránea |
US18/452,258 US20230392066A1 (en) | 2019-02-01 | 2023-08-18 | Method for modifying the water permeability of a subterranean formation |
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FR1901021A FR3092329B1 (fr) | 2019-02-01 | 2019-02-01 | Procédé de modification de la perméabilité à l’eau d’une formation souterraine |
FR1901021 | 2019-02-01 |
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US17/422,840 A-371-Of-International US11767460B2 (en) | 2019-02-01 | 2020-01-29 | Method for modifying the water permeability of a subterranean formation |
US18/452,258 Division US20230392066A1 (en) | 2019-02-01 | 2023-08-18 | Method for modifying the water permeability of a subterranean formation |
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EP (1) | EP3918026A1 (fr) |
CN (1) | CN113423801B (fr) |
AR (1) | AR117968A1 (fr) |
BR (1) | BR112021014942A2 (fr) |
CA (1) | CA3127412A1 (fr) |
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2019
- 2019-02-01 FR FR1901021A patent/FR3092329B1/fr active Active
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- 2020-01-29 CA CA3127412A patent/CA3127412A1/fr active Pending
- 2020-01-29 CN CN202080011679.8A patent/CN113423801B/zh active Active
- 2020-01-29 BR BR112021014942A patent/BR112021014942A2/pt unknown
- 2020-01-29 EA EA202191832A patent/EA202191832A1/ru unknown
- 2020-01-29 WO PCT/FR2020/050134 patent/WO2020157429A1/fr active Application Filing
- 2020-01-29 US US17/422,840 patent/US11767460B2/en active Active
- 2020-01-29 EP EP20707498.0A patent/EP3918026A1/fr active Pending
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US20230392066A1 (en) | 2023-12-07 |
US20220081604A1 (en) | 2022-03-17 |
AR117968A1 (es) | 2021-09-08 |
CN113423801B (zh) | 2023-08-25 |
CO2021010132A2 (es) | 2021-08-09 |
US11767460B2 (en) | 2023-09-26 |
FR3092329A1 (fr) | 2020-08-07 |
FR3092329B1 (fr) | 2021-01-29 |
CN113423801A (zh) | 2021-09-21 |
EP3918026A1 (fr) | 2021-12-08 |
EA202191832A1 (ru) | 2021-11-23 |
CA3127412A1 (fr) | 2020-08-06 |
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