EP3554665A1 - Procede de traitement d'un effluent petrolier issu d'une recuperation assistee utilisant un tensioactif - Google Patents
Procede de traitement d'un effluent petrolier issu d'une recuperation assistee utilisant un tensioactifInfo
- Publication number
- EP3554665A1 EP3554665A1 EP17804919.3A EP17804919A EP3554665A1 EP 3554665 A1 EP3554665 A1 EP 3554665A1 EP 17804919 A EP17804919 A EP 17804919A EP 3554665 A1 EP3554665 A1 EP 3554665A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- effluent
- surfactant
- mixture
- oil
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000004094 surface-active agent Substances 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 55
- 238000011084 recovery Methods 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 239000000203 mixture Substances 0.000 claims abstract description 38
- 239000012530 fluid Substances 0.000 claims abstract description 34
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 33
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 33
- 150000001768 cations Chemical class 0.000 claims abstract description 32
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 239000003208 petroleum Substances 0.000 claims description 44
- 238000000926 separation method Methods 0.000 claims description 41
- 150000003839 salts Chemical class 0.000 claims description 25
- 230000015572 biosynthetic process Effects 0.000 claims description 17
- 239000012071 phase Substances 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 238000005191 phase separation Methods 0.000 claims description 10
- DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical group Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 0.000 claims description 9
- 239000004215 Carbon black (E152) Substances 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 7
- 150000003754 zirconium Chemical class 0.000 claims description 6
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 5
- 238000005119 centrifugation Methods 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical group O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 claims description 4
- 230000002000 scavenging effect Effects 0.000 claims description 4
- 239000008346 aqueous phase Substances 0.000 claims description 2
- 238000011010 flushing procedure Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 52
- 239000000839 emulsion Substances 0.000 description 26
- 238000004519 manufacturing process Methods 0.000 description 26
- 239000000243 solution Substances 0.000 description 11
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 10
- 239000007791 liquid phase Substances 0.000 description 7
- 239000000654 additive Substances 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 5
- 239000011780 sodium chloride Substances 0.000 description 5
- 102220505141 Ubiquitin thioesterase ZRANB1_T25D_mutation Human genes 0.000 description 4
- 239000012267 brine Substances 0.000 description 4
- -1 olefin sulphonate Chemical class 0.000 description 4
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000010408 sweeping Methods 0.000 description 4
- 239000003945 anionic surfactant Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- 229920004896 Triton X-405 Polymers 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000011033 desalting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004817 gas chromatography Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910021653 sulphate ion Inorganic materials 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- IZWSFJTYBVKZNK-UHFFFAOYSA-O N-dodecyl-N,N-dimethyl-3-ammonio-1-propanesulfonic acid Chemical compound CCCCCCCCCCCC[N+](C)(C)CCCS(O)(=O)=O IZWSFJTYBVKZNK-UHFFFAOYSA-O 0.000 description 1
- 235000015076 Shorea robusta Nutrition 0.000 description 1
- 244000166071 Shorea robusta Species 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 description 1
- 229960003237 betaine Drugs 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 230000001687 destabilization Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002563 ionic surfactant Substances 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000012088 reference solution Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- ZXAUZSQITFJWPS-UHFFFAOYSA-J zirconium(4+);disulfate Chemical compound [Zr+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZXAUZSQITFJWPS-UHFFFAOYSA-J 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/04—Breaking emulsions
- B01D17/047—Breaking emulsions with separation aids
-
- 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
- C09K8/584—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
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G33/00—Dewatering or demulsification of hydrocarbon oils
- C10G33/04—Dewatering or demulsification of hydrocarbon oils with chemical means
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1033—Oil well production fluids
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/20—Characteristics of the feedstock or the products
- C10G2300/201—Impurities
- C10G2300/208—Sediments, e.g. bottom sediment and water or BSW
Definitions
- the first step in the treatment of petroleum effluents generally consists in separating water and oil in a gravitational manner (for example by means of a "free-water knock-out" process).
- the oil thus recovered is directed to desalination and dehydration processes.
- the water separated from the oil is not completely clean (gravity separation process is not perfect): it contains oil drops and impurities.
- water treatment processes including de-oiling processes. At the end of water treatment processes, the quality of the water must be sufficient to meet legal standards.
- anionic surfactants of sulfates or sulfonates or betaine type stabilizes the water / oil interfaces by decreasing the surface energies and by creating repulsive interactions of steric (entropy decrease) or electrostatic type, which can limit coalescence and thus reducing the efficiency of gravity separation processes or using centrifugal forces.
- steric entropy decrease
- electrostatic type electrostatic type
- the object of the present invention relates to a process for the treatment of a petroleum effluent resulting from an assisted recovery operation implemented by means of a sweeping fluid comprising at least one type of surfactant.
- the process according to the invention comprises a step consisting of adding at least trivalent cations and / or tetravalent cations to a fluid originating from the petroleum effluent.
- the present invention aims to improve the quality and kinetics of demulsification of the treatment of a petroleum effluent.
- the invention relates to a process for the treatment of a petroleum effluent resulting from an enhanced hydrocarbon recovery in a geological reservoir of an underground formation.
- said assisted recovery is implemented by means of a scanning fluid injected into said reservoir so as to move said hydrocarbons to at least one producing well, said scanning fluid comprising at least one surfactant, said petroleum effluent being collected at said producing well, at least a portion of said hydrocarbons being in the form of an oil.
- the process according to the invention comprises at least one step of separation by demulsification of the phases of a mixture originating from said effluent, by injecting into said mixture a stabilizing agent. demulsification comprising at least trivalent cations and / or tetravalent cations, said mixture being formed at least of oil, water and at least a part of said surfactant.
- said aluminum salt may be aluminum sulphate.
- said tetravalent cations can result from the injection into said mixture of a zirconium salt.
- said zirconium salt may be zirconium chloride.
- at least one anti-corrosion agent may be injected simultaneously with said salt of zirconium chloride.
- the invention relates to a method for the enhanced recovery of hydrocarbons from a geological reservoir in an underground formation, comprising at least the following steps:
- Figure 1 shows the evolution of the volume of water separated as a function of time for different salts, at different concentrations, introduced into an emulsion whose watercut is 70%.
- the present invention relates to a method for the treatment of a petroleum effluent resulting from an enhanced recovery of hydrocarbons trapped within a geological reservoir of a subterranean formation, by means of a flushing fluid comprising at least one surfactant .
- the latter After injection of the sweep fluid into the injector well, the latter will sweep the porous and permeable medium constituting the geological reservoir, thus driving at least a portion of the hydrocarbons and at least a portion of the hydrocarbon to at least one production well. brine trapped in the pores of the oil tank.
- the production well of a production well is crowned at the surface by the installation of a wellhead from which a surface flowline ("flowline") which collects the petroleum effluent produced.
- the flowline generally leads the petroleum effluent to a treatment facility which may include means for dilution, separation and / or treatment of the oil, water and gas.
- an essentially aqueous discharge fluid called separation water or production water
- a wastewater treatment plant At the outlet of this installation, an essentially aqueous discharge fluid, called separation water or production water, is fed to a wastewater treatment plant.
- a water of standard quality is evacuated or (re) injected by a suitable well into the underground formation.
- the enhanced recovery of hydrocarbons from a geological reservoir is carried out by means of an injection, at the level of at least one injection well, of a flushing fluid comprising at least one surfactant type additive. in an aqueous solution.
- a flushing fluid comprising at least one surfactant type additive. in an aqueous solution.
- the scanning fluid according to the invention may also comprise other additives such as polymers, alkalis or any combination of these additives.
- hydrocarbon (s) means oil products such as petroleum or crude oil, oil or extra-heavy oil, asphaltenic sands, shales. bitumen and gases present in an underground formation.
- the term "petroleum effluent” is understood to mean a fluid recovered at the level of at least one production well during a process for the enhanced recovery of hydrocarbons from a geological reservoir.
- This fluid is a mixture comprising a part of the hydrocarbons present in the formation, including at least a portion of the hydrocarbons present in the geological reservoir in the form of an oil, components of the flushing fluid, of which at least one surfactant, and the water (possibly brine) from the sweep fluid and / or the geological reservoir.
- This fluid can also be the result of a mixture of fluids produced of which at least one of the fluids produced results from a chemical EOR operation.
- the petroleum effluent may also include other components of the scavenging fluid, such as polymers, alkaline compounds.
- the petroleum effluent is generally in the form of an emulsion, essentially comprising water, drops of oil, and according to the invention, at least a portion of the surfactant injected into the geological reservoir via the sweeping fluid.
- the water / oil ratio (or "watercut") of the petroleum effluent may for example be between 30 and 99%, preferably between 60 and 99%.
- the concentration of surfactant may be between 0.001 g / L and 20 g / L, preferably between 0.01 and 5 g / L.
- a surfactant or a surfactant is a compound that modifies the interfacial tension between two fluids.
- the surfactant compounds are amphiphilic molecules, that is to say they have two parts of different polarity, one lipophilic (which retains fat) and nonpolar, the other hydrophilic (miscible in water) and polar.
- the surfactants thus make it possible to emulsify two immiscible phases, by interacting with one apolar (that is to say, lipophilic and thus hydrophobic), by its hydrophobic part; while with the other phase which is polar, the surfactant interacts by its hydrophilic part.
- the surfactant contributes to generating the formation of an emulsion (oil in water or water in oil).
- the surfactant is chosen from anionic surfactants or a mixture of anionic surfactants containing in particular a sulphonate surfactant, such as an alkylbenzosulphonate (called ABS), an internai olefin sulphonate (called IOS ), an alkyl glyceryl ether sulfonate (AGES) or an alkyl ether sulphate (AES), a carboxy- or sulpho-betaine ...
- a sulphonate surfactant such as an alkylbenzosulphonate (called ABS), an internai olefin sulphonate (called IOS ), an alkyl glyceryl ether sulfonate (AGES) or an alkyl ether sulphate (AES), a carboxy- or sulpho-betaine ...
- the method according to the invention relates generally to the treatment of a petroleum effluent from an assisted recovery operation comprising a step of injecting a scanning fluid comprising a surfactant.
- the treatment method according to the invention aims at an efficient and rapid separation of the oil and the water present in a mixture resulting from a petroleum effluent, in the case of the presence of a surfactant in this same mixture.
- a separation of the water and oil phases present in this mixture is carried out by means of at least one demulsifying agent comprising at least trivalent cations and / or tetravalent cations.
- the oil-water-surfactant mixture resulting from the petroleum effluent is treated by means of the injection into this mixture of a demulsifying agent comprising at least trivalent cations and / or tetravalent cations.
- the demulsifying agent makes it possible to greatly reduce or even eliminate the effects of the surfactant.
- the emulsion of oil and water is broken and the two water and oil phases are separated.
- the separation by demulsification according to the invention is applied:
- the deemulsification separation step according to the invention is applied to the mainly aqueous liquid phase resulting from a first phase separation step.
- the mainly aqueous liquid phase from a first phase separation stage also called production water, essentially contains water, but also includes residual oil drops.
- production water is generally characterized by a watercut greater than 99.5%.
- the process according to the invention corresponds to a separation of the secondary phases, aimed at improving the quality of the waste water.
- the first phase separation, or primary separation can be applied by means of a demulsification agent according to the invention, or by a gravity type separation (for example of the "Free-Water Knock-Out" type), or by centrifugal separation.
- the process for treating the petroleum effluent may further comprise a step of treating the gas resulting from a primary separation of the phases, carried out for example by means of a gravitational type separation, or by centrifugation.
- the process for treating the petroleum effluent can comprise stages of treatment of the oil resulting from a primary separation of the phases, carried out by means of, for example, a gravitational type separation, or by centrifugation. These oil treatment steps can be dehydration, desalting, etc.
- stage c) of the enhanced hydrocarbon recovery process is carried out by means of the petroleum effluent treatment method according to any of the variants described above. More specifically, the treatment of the petroleum effluent comprises a phase of demulsification phase separation of a mixture formed at least of oil, water and at least a portion of said surfactant from said effluent, injecting in the mixture a demulsifying agent comprising at least trivalent cations and / or tetravalent cations.
- stage c) of the enhanced hydrocarbon recovery process can be broken down as follows:
- the demulsification separation step according to the invention is directly applied to the production effluent, after collection of this effluent to a producing well: in this case, the mixture in which the demulsification agent is injected has the characteristics conventional production effluent, and can for example be characterized by a watercut of between 30% and 99%, preferably between 60 and 99%, very preferably between 70 and 90%.
- the present invention corresponds to an alternative to existing deoiling processes, such as gravity separation or centrifugal separation;
- the enhanced hydrocarbon recovery process may include processing steps of the oil from the separation. These oil treatment steps can be dehydration, desalting, etc.
- the sweeping fluid used for carrying out the process according to the invention is based on an ionic surfactant (denoted T1) of sodium alkyl ether sulphate type.
- a surfactant is conventionally used for enhanced oil recovery techniques (Surfactant Chemical Enhanced Oil Recovery or also called surfactant cEOR).
- the process according to the invention for the treatment of a petroleum effluent resulting from an assisted recovery carried out using a surfactant is applied to a geological reservoir comprising hydrocarbons.
- the hydrocarbon characteristics of this reservoir are those already presented in Table 1.
- surfactant of type T1 previously described
- This nonionic surfactant manufactured by Dow and supplied by Sigma-Aldrich, is a polyethoxylated surfactant of average molar mass equal to 1966 g / mol.
- the solution used contains 70% of active ingredient.
- it is in the case of a variant of the process according to the invention when applied to a production water, resulting from a first phase separation of a petroleum effluent.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Thermal Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Physical Water Treatments (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1662528A FR3060407B1 (fr) | 2016-12-15 | 2016-12-15 | Procede de traitement d'un effluent petrolier issu d'une recuperation assistee utilisant un tensioactif |
PCT/EP2017/080971 WO2018108550A1 (fr) | 2016-12-15 | 2017-11-30 | Procede de traitement d'un effluent petrolier issu d'une recuperation assistee utilisant un tensioactif |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3554665A1 true EP3554665A1 (fr) | 2019-10-23 |
Family
ID=57861163
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17804919.3A Withdrawn EP3554665A1 (fr) | 2016-12-15 | 2017-11-30 | Procede de traitement d'un effluent petrolier issu d'une recuperation assistee utilisant un tensioactif |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3554665A1 (fr) |
CO (1) | CO2019005639A2 (fr) |
FR (1) | FR3060407B1 (fr) |
WO (1) | WO2018108550A1 (fr) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3691086A (en) * | 1970-07-31 | 1972-09-12 | Hercules Inc | Oil-water separations |
US4014801A (en) * | 1974-09-30 | 1977-03-29 | Marathon Oil Company | Process for breaking polymer-containing emulsions |
FR2966820B1 (fr) * | 2010-11-03 | 2015-04-03 | Spcm Sa | Procede de traitement d'eau de production produite a l'issue d'un procede de recuperation assistee du petrole mettant en oeuvre des polymeres |
FR3014938B1 (fr) * | 2013-12-17 | 2018-04-13 | IFP Energies Nouvelles | Traitement des eaux de production en recuperation assistee par introduction de cations tetravalents |
-
2016
- 2016-12-15 FR FR1662528A patent/FR3060407B1/fr not_active Expired - Fee Related
-
2017
- 2017-11-30 EP EP17804919.3A patent/EP3554665A1/fr not_active Withdrawn
- 2017-11-30 WO PCT/EP2017/080971 patent/WO2018108550A1/fr unknown
-
2019
- 2019-05-29 CO CONC2019/0005639A patent/CO2019005639A2/es unknown
Also Published As
Publication number | Publication date |
---|---|
FR3060407A1 (fr) | 2018-06-22 |
CO2019005639A2 (es) | 2019-07-31 |
WO2018108550A1 (fr) | 2018-06-21 |
FR3060407B1 (fr) | 2019-07-05 |
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