CA2005479A1 - Process for recovering oil - Google Patents
Process for recovering oilInfo
- Publication number
- CA2005479A1 CA2005479A1 CA 2005479 CA2005479A CA2005479A1 CA 2005479 A1 CA2005479 A1 CA 2005479A1 CA 2005479 CA2005479 CA 2005479 CA 2005479 A CA2005479 A CA 2005479A CA 2005479 A1 CA2005479 A1 CA 2005479A1
- Authority
- CA
- Canada
- Prior art keywords
- reservoir
- gas
- recovering oil
- foam
- oil
- 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.)
- Granted
Links
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Treating Waste Gases (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Abstract
Process for recovering oil from a reservoir penetrated by at least one injection well comprising injecting into the reservoir a gas-foam forming mixture comprising an aqueous surfactant solution and a gas mixture including a noncondensible gas, displacing within the reservoir the gas foam-forming mixture, and withdrawing oil from the reservoir, wherein the surfactant contains at least 25 wt%
olefin disulfonate.
olefin disulfonate.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US28639488A | 1988-12-19 | 1988-12-19 | |
US07/286,397 US4911238A (en) | 1988-12-19 | 1988-12-19 | Gas flooding with surfactants enriched in olefin disulfonate |
US286,397 | 1988-12-19 | ||
US286,394 | 1988-12-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2005479A1 true CA2005479A1 (en) | 1990-06-19 |
CA2005479C CA2005479C (en) | 1998-01-27 |
Family
ID=26963791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2005479 Expired - Fee Related CA2005479C (en) | 1988-12-19 | 1989-12-14 | Process for recovering oil |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2005479C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112012724A (en) * | 2019-05-29 | 2020-12-01 | 中国石油天然气股份有限公司 | Multi-section sand filling pipe, experimental equipment for researching residual oil distribution rule and experimental method |
-
1989
- 1989-12-14 CA CA 2005479 patent/CA2005479C/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112012724A (en) * | 2019-05-29 | 2020-12-01 | 中国石油天然气股份有限公司 | Multi-section sand filling pipe, experimental equipment for researching residual oil distribution rule and experimental method |
CN112012724B (en) * | 2019-05-29 | 2023-04-25 | 中国石油天然气股份有限公司 | Multi-section sand filling pipe, experimental equipment for researching distribution rule of residual oil and experimental method |
Also Published As
Publication number | Publication date |
---|---|
CA2005479C (en) | 1998-01-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |