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DK200900353A - Proces til udvinding af carbonhydrid - Google Patents

Proces til udvinding af carbonhydrid Download PDF

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Publication number
DK200900353A
DK200900353A DK200900353A DKPA200900353A DK200900353A DK 200900353 A DK200900353 A DK 200900353A DK 200900353 A DK200900353 A DK 200900353A DK PA200900353 A DKPA200900353 A DK PA200900353A DK 200900353 A DK200900353 A DK 200900353A
Authority
DK
Denmark
Prior art keywords
formation
displacement fluid
aqueous displacement
content
crude oil
Prior art date
Application number
DK200900353A
Other languages
English (en)
Inventor
Jerauld Gary Russell
Lager Arnaud
Mcguire Patrick Lee
Webb Kevin
Collins Ian Ralph
Original Assignee
Bp Exploration Operating
Bp Corp North America Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bp Exploration Operating, Bp Corp North America Inc filed Critical Bp Exploration Operating
Publication of DK200900353A publication Critical patent/DK200900353A/da
Priority to DKPA201570687A priority Critical patent/DK179973B1/da
Application granted granted Critical
Publication of DK178809B1 publication Critical patent/DK178809B1/da

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16Enhanced recovery methods for obtaining hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/58Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/60Compositions for stimulating production by acting on the underground formation
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/20Displacing by water
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S507/00Earth boring, well treating, and oil field chemistry
    • Y10S507/904Process of making fluids or additives therefor
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S507/00Earth boring, well treating, and oil field chemistry
    • Y10S507/935Enhanced oil recovery
    • Y10S507/936Flooding the formation

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Claims (14)

1. Fremgangsmåde til forøgelse af udvinding af råolie fra et reservoir omfattende mindst én porøs og permeabei underjordisk formation, hvor formationen omfatter sandstensklippe og mindst ét mineral, der har et negativt zeta-potentiale under reservoirbetingelserne, og hvor råolie og connatvand er til stede inde i formationens porer, hvilken fremgangsmåde omfatter: injicering ind i formationen af en vandig fortrængningsvæske, der fortrænger råolie fra overfladen af formationens porer, hvor den vandige fortrængnings-væske har et totalt indhold af opløste faststoffer (TDS) i området 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.
2. Fremgangsmåde til forøgelse af udvinding af råolie fra et reservoir omfattende mindst én porøs og permeabei underjordisk formation, hvor (a) formationen omfatter sandstensklippe og mindst ét mineral, der har et negativt zeta-potentiale under reservoirbetingelserne, (b) råolie og connatvand er til stede inde i formationens porer, og råolien omfatter komponenter med anioniske funktionelle grupper (i det følgende "anioniske komponenter") og/eller komponenter med kationiske funktionelle grupper (i det følgende "kationiske komponenter"), og (c) multivalente kationer adsorberes på overfladen af formationens porer fra connatvandet og er i ækvilibrium med frie multivalente kationer, der er opløst i connatvandet, og i det mindste en del af de adsorberede multivalente kationer er associeret med anioniske komponenter i råolien (i det følgende ''olieassocierede multivalente kationer"), og/eller negativt ladede funktionelle grupper på overfladen af formationens porer er associerede med kationiske komponenter i råolien (i det følgende "adsorberede kationiske komponenter"), hvilken fremgangsmåde omfatter: injicering ind i formationen af en vandig fortrængningsvæske med et totalt indhold af opløste faststoffer (TDS) i området fra 200 til 10 000 ppm og med deri opløste fortrængningskationer, hvor koncentrationen af multivalente kationer i den vandige fortrængningsvæske er mindre end koncentrationen af frie multivalente kationer i connatvandet, således at de olie-associerede multivalente kationer og/eller de adsorberede kationiske komponenter fortrænges fra overfladen af formationens porer og erstattes med fortrængningskationer, der adsorberes fra den vandige fortrængningsvæske, hvorved råolie fortrænges fra overfladen af formationens porer.
3. Fremgangsmåde til forøgelse af udvinding af råolie fra et reservoir omfattende mindst én porøs og permeabel underjordisk formation, hvor (a) formationen omfatter en sandstensklippe og mindst ét mineral, der har et negativt zeta-potentiale under reservoirbetingelserne, (b) råolie og connat-vand er til stede inde i formationens porer, og (c) en vandig fortrængnings-væske injiceres ind i formationen til fortrængning af råolie fra overfladen af formationens porer, hvor den vandige fortrængningsvæske udvælges ved: (A) bestemmelse af indholdet af multivalent kation i connatvandet, og (B) udvælgelse af en vandig fortrængningsvæske med et totalt indhold af opløste faststoffer (TDS) i området fra 200 til 10 000 ppm og med et sådant totalt 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 (i) enten er et ubehandlet vand med det ønskede TDS-indhold og ønskede totale indhold af multivalent kation eller (ii) er et behandlet vand, der er blevet justeret således, at det har det ønskede TDS-indhold og det ønskede totale indhold af multivalent kation.
4. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, hvorved en slug af den vandige fortrængningsvæske med et porevolumen på mindst 0,2, fortrinsvis mindst 0,3, især mindst 0,4, føres ind i formationen.
5. Fremgangsmåde ifølge krav 4, hvorved den vandige fortrængningsvæskes porevolumen er mindre end 1, fortrinsvis mindre end 0,9 PV, mere fortrinsvis mindre end 0,8 PV, mest fortrinsvis mindre end 0,6 PV, især mindre end 0,5 PV.
6. Fremgangsmåde ifølge krav 4 eller 5, hvorved der efter injektion af sluggen af vandig fortrængningsvæske injiceres et drivvand med højere indhold af multivalent kation og/eller højere TDS ind i formationen.
7. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, hvorved den vandige fortrængningsvæske injiceres ind i formationen under sekundær udvinding eller tertiær udvinding.
8. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, hvorved den vandige fortrængningsvæske føres 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.
9. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, hvorved mineralets zeta-potentiale er fra -0,1 til -50 mV under reservoir-betingelserne.
10. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, hvorved mineralet er til stede i formationen i en mængde i området fra 1 til 30 vægt-%.
11. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, hvorved 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, fortrinsvis mindre end 0,6, endnu mere fortrinsvis mindre end 0,5, og især mindre end 0,4.
12. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, hvorved den vandige fortrængningsvæske er et ubehandlet frisk vand eller ubehandlet grundvand.
13. Fremgangsmåde ifølge et hvilket som helst af krav 1 til 11, hvorved den vandige fortrængningsvæske dannes ved at reducere indholdet af multivalent kation i et kildevand, hvor kildevandet har et TDS i det ønskede område fra 200 til 10 000 ppm.
14. Fremgangsmåde ifølge et hvilket som helst af krav 1 til 11, hvorved den vandige fortrængningsvæske er dannet fra et kildevand med højt saltindhold med højt indhold af multivalent kation under anvendelse af omvendt osmose, fremadrettet osmose eller kombinationer deraf.
DKPA200900353A 2006-09-08 2009-03-13 Proces til udvinding af carbonhydrid DK178809B1 (da)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DKPA201570687A DK179973B1 (da) 2006-09-08 2015-10-22 Hydrocarbon recovery process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US84300006P 2006-09-08 2006-09-08
PCT/GB2007/003337 WO2008029124A1 (en) 2006-09-08 2007-09-05 Hydrocarbon recovery process

Publications (2)

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DK200900353A true DK200900353A (da) 2009-03-13
DK178809B1 DK178809B1 (da) 2017-02-13

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DKPA201570687A DK179973B1 (da) 2006-09-08 2015-10-22 Hydrocarbon recovery process

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US (2) US7987907B2 (da)
CN (2) CN101535443B (da)
AR (1) AR062716A1 (da)
AU (1) AU2007293281B2 (da)
BR (1) BRPI0716508B1 (da)
CA (1) CA2662295C (da)
DK (2) DK178809B1 (da)
EA (1) EA015208B1 (da)
EG (1) EG26795A (da)
GB (2) GB2478217B (da)
MX (1) MX2009002513A (da)
NO (1) NO343975B1 (da)
WO (1) WO2008029124A1 (da)

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GB2455016A (en) 2009-06-03
EA200900382A1 (ru) 2009-12-30
CN103061725A (zh) 2013-04-24
US7987907B2 (en) 2011-08-02
EG26795A (en) 2014-09-15
MX2009002513A (es) 2009-08-07
BRPI0716508B1 (pt) 2018-02-06
CA2662295C (en) 2014-02-18
GB0903526D0 (en) 2009-04-08
DK201570687A1 (en) 2015-11-02
CN101535443B (zh) 2013-01-02
CN103061725B (zh) 2015-08-19
DK179973B1 (da) 2019-11-20
NO343975B1 (no) 2019-08-05
BRPI0716508A2 (pt) 2013-10-08
AU2007293281B2 (en) 2013-04-04
CA2662295A1 (en) 2008-03-13
AU2007293281A1 (en) 2008-03-13
GB2478217B (en) 2011-11-09
AR062716A1 (es) 2008-11-26
GB2478217A (en) 2011-08-31
US8439111B2 (en) 2013-05-14
CN101535443A (zh) 2009-09-16
GB201108593D0 (en) 2011-07-06
US20120085555A1 (en) 2012-04-12
EA015208B1 (ru) 2011-06-30
WO2008029124A1 (en) 2008-03-13
DK178809B1 (da) 2017-02-13
NO20091263L (no) 2009-04-03
GB2455016B (en) 2011-10-19
US20100006283A1 (en) 2010-01-14

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