DK178809B1 - Proces til udvinding af carbonhydrid - Google Patents
Proces til udvinding af carbonhydrid Download PDFInfo
- Publication number
- DK178809B1 DK178809B1 DKPA200900353A DKPA200900353A DK178809B1 DK 178809 B1 DK178809 B1 DK 178809B1 DK PA200900353 A DKPA200900353 A DK PA200900353A DK PA200900353 A DKPA200900353 A DK PA200900353A DK 178809 B1 DK178809 B1 DK 178809B1
- Authority
- DK
- Denmark
- Prior art keywords
- displacement fluid
- water
- aqueous displacement
- content
- multivalent cation
- Prior art date
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- 238000000605 extraction Methods 0.000 title claims 2
- 150000002430 hydrocarbons Chemical class 0.000 title abstract description 8
- 229930195733 hydrocarbon Natural products 0.000 title abstract description 7
- 239000004215 Carbon black (E152) Substances 0.000 title description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 192
- 150000001768 cations Chemical class 0.000 claims abstract description 137
- 238000006073 displacement reaction Methods 0.000 claims abstract description 127
- 239000012530 fluid Substances 0.000 claims abstract description 127
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 102
- 239000011148 porous material Substances 0.000 claims abstract description 50
- 238000002347 injection Methods 0.000 claims abstract description 47
- 239000007924 injection Substances 0.000 claims abstract description 47
- 238000000034 method Methods 0.000 claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 claims abstract description 39
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 15
- 239000011707 mineral Substances 0.000 claims abstract description 15
- 239000010779 crude oil Substances 0.000 claims description 45
- 238000011084 recovery Methods 0.000 claims description 44
- 239000011435 rock Substances 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 11
- 239000013535 sea water Substances 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 8
- 239000013505 freshwater Substances 0.000 claims description 5
- 238000001223 reverse osmosis Methods 0.000 claims description 5
- 238000009292 forward osmosis Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 2
- 239000003673 groundwater Substances 0.000 claims 1
- 239000003380 propellant Substances 0.000 claims 1
- 238000005755 formation reaction Methods 0.000 abstract description 92
- 239000003921 oil Substances 0.000 description 90
- 239000012267 brine Substances 0.000 description 15
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 15
- 125000000129 anionic group Chemical group 0.000 description 13
- 238000012360 testing method Methods 0.000 description 13
- 239000011575 calcium Substances 0.000 description 11
- 239000012528 membrane Substances 0.000 description 11
- 235000010755 mineral Nutrition 0.000 description 11
- 239000003643 water by type Substances 0.000 description 11
- 239000007789 gas Substances 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 125000002091 cationic group Chemical group 0.000 description 9
- 239000011777 magnesium Substances 0.000 description 9
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 8
- 229910052791 calcium Inorganic materials 0.000 description 8
- 238000011065 in-situ storage Methods 0.000 description 8
- 229910052622 kaolinite Inorganic materials 0.000 description 8
- CYPPCCJJKNISFK-UHFFFAOYSA-J kaolinite Chemical compound [OH-].[OH-].[OH-].[OH-].[Al+3].[Al+3].[O-][Si](=O)O[Si]([O-])=O CYPPCCJJKNISFK-UHFFFAOYSA-J 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 241000237858 Gastropoda Species 0.000 description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- 150000001450 anions Chemical group 0.000 description 6
- 229910052749 magnesium Inorganic materials 0.000 description 6
- 125000000524 functional group Chemical group 0.000 description 5
- -1 hydrogen ions Chemical class 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 239000004927 clay Substances 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- 239000000700 radioactive tracer Substances 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 239000004115 Sodium Silicate Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 239000003729 cation exchange resin Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 230000002706 hydrostatic effect Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000001728 nano-filtration Methods 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- 239000001488 sodium phosphate Substances 0.000 description 3
- 229910000162 sodium phosphate Inorganic materials 0.000 description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 3
- 229910052911 sodium silicate Inorganic materials 0.000 description 3
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 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 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 2
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000005341 cation exchange Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 229910052631 glauconite Inorganic materials 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 101000995114 Doryteuthis pealeii 70 kDa neurofilament protein Proteins 0.000 description 1
- 101100025922 Homo sapiens NCOA7 gene Proteins 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical group [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 102000015863 Nuclear Factor 90 Proteins Human genes 0.000 description 1
- 108010010424 Nuclear Factor 90 Proteins Proteins 0.000 description 1
- 102100022930 Nuclear receptor coactivator 7 Human genes 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 238000005349 anion exchange Methods 0.000 description 1
- 239000003957 anion exchange resin Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- XDFCIPNJCBUZJN-UHFFFAOYSA-N barium(2+) Chemical compound [Ba+2] XDFCIPNJCBUZJN-UHFFFAOYSA-N 0.000 description 1
- 235000012206 bottled water Nutrition 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000008398 formation water Substances 0.000 description 1
- 230000005251 gamma ray Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical group [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 229910052900 illite Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 125000005609 naphthenate group Chemical group 0.000 description 1
- 229920001206 natural gum Polymers 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- VGIBGUSAECPPNB-UHFFFAOYSA-L nonaaluminum;magnesium;tripotassium;1,3-dioxido-2,4,5-trioxa-1,3-disilabicyclo[1.1.1]pentane;iron(2+);oxygen(2-);fluoride;hydroxide Chemical compound [OH-].[O-2].[O-2].[O-2].[O-2].[O-2].[F-].[Mg+2].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[K+].[K+].[K+].[Fe+2].O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2 VGIBGUSAECPPNB-UHFFFAOYSA-L 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid group Chemical group C(CCCCCCC\C=C/CCCCCCCC)(=O)O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 description 1
- 229910052655 plagioclase feldspar Inorganic materials 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229910052903 pyrophyllite Inorganic materials 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 229910021646 siderite Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910021647 smectite Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 150000003623 transition metal compounds Chemical class 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- C09K8/60—Compositions for stimulating production by acting on the underground formation
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S507/00—Earth boring, well treating, and oil field chemistry
- Y10S507/904—Process of making fluids or additives therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S507/00—Earth boring, well treating, and oil field chemistry
- Y10S507/935—Enhanced oil recovery
- Y10S507/936—Flooding the formation
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
Carbonhydrider udvindes fra underjordiske formationer ved vandfyldning. Fremgangsmåden omfatter, at en vandig fortrængningsvæske via en injektionsbrønd føres gennem en porøs og permeabel sandstensformation til frigivelse af olie og udvinding af den frigivne olie fra en produktionsbrønd beliggende med afstand til injektionsbrønden, hvor (a) sandstensformationen omfatter mindst ét mineral med et negativt zeta-potentiale under formationsbetingelserne; (b) olie og connatvand er til stede i formationens porer; og (c) fraktionen af indholdet af divalent kation i den vandige fortræng ningsvæske i forhold til indholdet af divalent kation i connatvandet er mindre end 1.
Claims (22)
1. Fremgangsmåde til forøgelse af udvindingen af råolie fra et reservoir indeholdende mindst én porøs og permeabel underjordisk formation, hvor formationen indeholder sandstensklippe og mindst ét mineral, der har et negativt zeta-potentiale under reservoirbetingelserne, og hvor råolie og connatvand er til stede i formationens porer, hvilken fremgangsmåde omfatter: (A) injektion i formationen af en væskelomme af en vandig fortrængningsvæske, der fortrænger råolie fra overfladen af formationens porer, hvor porevolumenet (PV) af væskelommen af den vandige fortrængningsvæske er mindst 0,3 og mindre end 1, og den vandige fortrængningsvæske har et totalt indhold af opløste faste stoffer (TDS) i intervallet fra 200 til 10.000 ppm, og fraktionen af det totale indhold af multivalent kation i den vandige fortrængningsvæske i forhold til det totale indhold af multivalent kation i connatvandet er mindre end 1; og (B) efterfølgende injektion i formationen af et drivvand med højere indhold af multivalent kation og/eller højere totalt indhold af opløste faste stoffer end den vandige fortrængningsvæske.
2. Fremgangsmåde ifølge krav 1, ved hvilken fraktionen af det totale indhold af multivalent kation i den vandige fortrængningsvæske i forhold til det totale indhold af multivalent kation i connatvandet er mindst 0,01.
3. Fremgangsmåde ifølge krav 2, ved hvilken fraktionen af det totale indhold af multivalent kation i connatvandet er mindst 0,05.
4. Fremgangsmåde ifølge ethvert af de foregående krav, ved hvilken porevolumenet af den vandige fortrængningsvæske er mindst 0,4 PV.
5. Fremgangsmåde ifølge ethvert af de foregående krav, ved hvilken porevolumenet af den vandige fortrængningsvæske er mindre end 0,9 PV.
6. Fremgangsmåde ifølge krav 5, ved hvilken porevolumenet af den vandige fortrængningsvæske er mindre end 0,8 PV.
7. Fremgangsmåde ifølge krav 6, ved hvilken porevolumenet af den vandige fortrængningsvæske er mindre end 0,6 PV.
8. Fremgangsmåde ifølge krav 7, ved hvilken porevolumenet af den vandige fortrængningsvæske er mindre end 0,5 PV.
9. Fremgangsmåde ifølge krav 1 eller 2, ved hvilken den vandige fortrængningsvæske har et porevolumen i intervallet fra 0,3 til 0,6.
10. Fremgangsmåde ifølge krav 9, ved hvilken den vandige fortrængningsvæske har et porevolumen i intervallet fra 0,3 til 0,45.
11. Fremgangsmåde ifølge ethvert af de foregående krav, ved hvilken den vandige fortrængningsvæske injiceres i formationen under sekundær udvinding eller tertiær udvinding.
12. Fremgangsmåde ifølge ethvert af de foregående krav, ved hvilken den vandige fortrængningsvæske ledes gennem formationen fra en injektionsbrønd til fortrængning af råolie fra overfladen af formationens porer, og den fortrængte råolie udvindes fra en produktionsbrønd beliggende med afstand fra injektionsbrønden.
13. Fremgangsmåde ifølge ethvert af de foregående krav, ved hvilken drivvandet er valgt fra havvand og/eller produktionsvand.
14. Fremgangsmåde ifølge ethvert af de foregående krav, ved hvilken den vandige fortrængningsvæske er valgt ved: (i) bestemmelse af indholdet af multivalent kation i connatvandet; og (ii) udvælgelse af en vandig fortrængningsvæske med et totalt indhold af opløste faste stoffer (TDS) i intervallet fra 200 til 10.000 ppm og med et sådant indhold af multivalent kation, at fraktionen af det totale indhold af multivalent kation i injektionsvandet i forhold til det totale indhold af multivalent kation i connatvandet er mindre end 1, hvor den vandige fortrængningsvæske er (i) enten et ubehandlet vand med det ønskede TDS-indhold og det ønskede totale indhold af multivalent kation eller (ii) et behandlet vand, der er blevet indstillet således, at det har det ønskede TDS-indhold og det ønskede totale indhold af multivalent kation.
15. Fremgangsmåde ifølge ethvert af de foregående krav, ved hvilken zeta-potentialet af mineralet er fra -0,1 til -50 mV under reservoirbetingelserne.
16. Fremgangsmåde ifølge ethvert af de foregående krav, ved hvilken mineralet er til stede i formationen i en mængde i intervallet fra 1 til 30 vægt-%.
17. Fremgangsmåde ifølge ethvert af de foregående krav, ved hvilken fraktionen af det totale indhold af multivalent kation i den vandige fortrængningsvæske i forhold til det totale indhold af multivalent kation i connatvandet er mindre end 0,8.
18. Fremgangsmåde ifølge krav 17, ved hvilken fraktionen af det totale indhold af multivalent kation i den vandige fortrængningsvæske i forhold til det totale indhold af multivalent kation i connatvandet er mindre end 0,6.
19. Fremgangsmåde ifølge krav 18, ved hvilken fraktionen af det totale indhold af multivalent kation i den vandige fortrængningsvæske i forhold til det totale indhold af multivalent kation i connatvandet er mindre end 0,5.
20. Fremgangsmåde ifølge ethvert af de foregående krav, ved hvilken den vandige fortrængningsvæske er et ubehandlet ferskvand eller et ubehandlet grundvand.
21. Fremgangsmåde ifølge ethvert af de foregående krav, ved hvilken den vandige fortrængningsvæske er dannet ved formindskelse af indholdet af multivalent kation i et kildevand, hvor kildevandet har et TDS i det ønskede interval fra 200 til 10.000 ppm.
22. Fremgangsmåde ifølge ethvert af de foregående krav, ved hvilken den vandige fortrængningsvæske er dannet ud fra et kildevand med højt saltindhold med højt indhold af multivalent kation under anvendelse af omvendt osmose, fremadrettet osmose eller kombinationer deraf.
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| DKPA201570687A DK179973B1 (da) | 2006-09-08 | 2015-10-22 | Hydrocarbon recovery process |
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| US84300006P | 2006-09-08 | 2006-09-08 | |
| PCT/GB2007/003337 WO2008029124A1 (en) | 2006-09-08 | 2007-09-05 | Hydrocarbon recovery process |
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| DK200900353A DK200900353A (da) | 2009-03-13 |
| DK178809B1 true DK178809B1 (da) | 2017-02-13 |
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| DKPA200900353A DK178809B1 (da) | 2006-09-08 | 2009-03-13 | Proces til udvinding af carbonhydrid |
| DKPA201570687A DK179973B1 (da) | 2006-09-08 | 2015-10-22 | Hydrocarbon recovery process |
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| DKPA201570687A DK179973B1 (da) | 2006-09-08 | 2015-10-22 | Hydrocarbon recovery process |
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| CN (2) | CN101535443B (da) |
| AR (1) | AR062716A1 (da) |
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| BR (1) | BRPI0716508B1 (da) |
| CA (1) | CA2662295C (da) |
| DK (2) | DK178809B1 (da) |
| EA (1) | EA015208B1 (da) |
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| MX (1) | MX2009002513A (da) |
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| CA2662295C (en) | 2014-02-18 |
| GB201108593D0 (en) | 2011-07-06 |
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| CN101535443B (zh) | 2013-01-02 |
| CN103061725B (zh) | 2015-08-19 |
| EG26795A (en) | 2014-09-15 |
| AU2007293281A1 (en) | 2008-03-13 |
| GB2455016B (en) | 2011-10-19 |
| WO2008029124A1 (en) | 2008-03-13 |
| AR062716A1 (es) | 2008-11-26 |
| AU2007293281B2 (en) | 2013-04-04 |
| BRPI0716508A2 (pt) | 2013-10-08 |
| CN101535443A (zh) | 2009-09-16 |
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| NO20091263L (no) | 2009-04-03 |
| EA200900382A1 (ru) | 2009-12-30 |
| CA2662295A1 (en) | 2008-03-13 |
| DK179973B1 (da) | 2019-11-20 |
| US20100006283A1 (en) | 2010-01-14 |
| DK201570687A1 (en) | 2015-11-02 |
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