CA2974714C - Methodes de recuperation d'hydrocarbures visqueux d'une formation souterraine - Google Patents

Methodes de recuperation d'hydrocarbures visqueux d'une formation souterraine Download PDF

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Publication number
CA2974714C
CA2974714C CA2974714A CA2974714A CA2974714C CA 2974714 C CA2974714 C CA 2974714C CA 2974714 A CA2974714 A CA 2974714A CA 2974714 A CA2974714 A CA 2974714A CA 2974714 C CA2974714 C CA 2974714C
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Canada
Prior art keywords
solvent
vapor mixture
steam vapor
subterranean formation
injecting
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Active
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CA2974714A
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English (en)
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CA2974714A1 (fr
Inventor
Hamed R. Motahhari
Rahman Khaledi
Nima Saber
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Imperial Oil Resources Ltd
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Imperial Oil Resources Ltd
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Priority to CA2974714A priority Critical patent/CA2974714C/fr
Publication of CA2974714A1 publication Critical patent/CA2974714A1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • C09K8/592—Compositions used in combination with generated heat, e.g. by steam injection
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
    • E21B43/2406—Steam assisted gravity drainage [SAGD]
    • E21B43/2408—SAGD in combination with other methods

Abstract

Linvention concerne des méthodes de récupération dhydrocarbures visqueux depuis une formation souterraine. Les méthodes comprennent linjection dun premier mélange solvant-vapeur dans la formation souterraine pour une première période dinjection pour maintenir une pression de fonctionnement cible à lintérieur de la formation souterraine. Les méthodes comprennent également la transition, pendant une période de transition, de linjection du premier mélange solvant-vapeur à linjection dun second mélange solvant-vapeur, et comprennent en outre linjection du second mélange solvant-vapeur pendant une seconde période dinjection. Les méthodes comprennent en outre la production dhydrocarbures visqueux mobilisés depuis la formation souterraine. Le premier solvant possède une première température de point de rosée et est injecté dans des conditions quasi azéotropiques. Le second solvant possède un second point de rosée qui est inférieur à la première température de point de rosée.
CA2974714A 2017-07-27 2017-07-27 Methodes de recuperation d'hydrocarbures visqueux d'une formation souterraine Active CA2974714C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2974714A CA2974714C (fr) 2017-07-27 2017-07-27 Methodes de recuperation d'hydrocarbures visqueux d'une formation souterraine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA2974714A CA2974714C (fr) 2017-07-27 2017-07-27 Methodes de recuperation d'hydrocarbures visqueux d'une formation souterraine

Publications (2)

Publication Number Publication Date
CA2974714A1 CA2974714A1 (fr) 2017-09-27
CA2974714C true CA2974714C (fr) 2018-09-25

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CA2974714A Active CA2974714C (fr) 2017-07-27 2017-07-27 Methodes de recuperation d'hydrocarbures visqueux d'une formation souterraine

Country Status (1)

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CA (1) CA2974714C (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10487636B2 (en) 2017-07-27 2019-11-26 Exxonmobil Upstream Research Company Enhanced methods for recovering viscous hydrocarbons from a subterranean formation as a follow-up to thermal recovery processes
US11002123B2 (en) 2017-08-31 2021-05-11 Exxonmobil Upstream Research Company Thermal recovery methods for recovering viscous hydrocarbons from a subterranean formation
US11142681B2 (en) 2017-06-29 2021-10-12 Exxonmobil Upstream Research Company Chasing solvent for enhanced recovery processes
US11261725B2 (en) 2017-10-24 2022-03-01 Exxonmobil Upstream Research Company Systems and methods for estimating and controlling liquid level using periodic shut-ins

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2998938A1 (fr) * 2017-03-17 2018-09-17 Conocophillips Company Systeme et procede de recuperation acceleree de solvant

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11142681B2 (en) 2017-06-29 2021-10-12 Exxonmobil Upstream Research Company Chasing solvent for enhanced recovery processes
US10487636B2 (en) 2017-07-27 2019-11-26 Exxonmobil Upstream Research Company Enhanced methods for recovering viscous hydrocarbons from a subterranean formation as a follow-up to thermal recovery processes
US11002123B2 (en) 2017-08-31 2021-05-11 Exxonmobil Upstream Research Company Thermal recovery methods for recovering viscous hydrocarbons from a subterranean formation
US11261725B2 (en) 2017-10-24 2022-03-01 Exxonmobil Upstream Research Company Systems and methods for estimating and controlling liquid level using periodic shut-ins

Also Published As

Publication number Publication date
CA2974714A1 (fr) 2017-09-27

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