DE68905925D1 - XANTHANE CONCENTRATES, METHOD FOR PRODUCING AND USE FOR INCREASING THE EXTRACTION OF OIL FROM UNDERGROUND FORMATIONS. - Google Patents
XANTHANE CONCENTRATES, METHOD FOR PRODUCING AND USE FOR INCREASING THE EXTRACTION OF OIL FROM UNDERGROUND FORMATIONS.Info
- Publication number
- DE68905925D1 DE68905925D1 DE8989906198T DE68905925T DE68905925D1 DE 68905925 D1 DE68905925 D1 DE 68905925D1 DE 8989906198 T DE8989906198 T DE 8989906198T DE 68905925 T DE68905925 T DE 68905925T DE 68905925 D1 DE68905925 D1 DE 68905925D1
- Authority
- DE
- Germany
- Prior art keywords
- xanthane
- concentrates
- extraction
- oil
- producing
- 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.)
- Expired - Fee Related
Links
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO882167A NO164247C (en) | 1988-05-18 | 1988-05-18 | XANTAN CONCENTRATE, PROCEDURE FOR PREPARING THEREOF AND USING THEREOF BY INCREASED EXTRACTION OF OIL FROM UNDERGRADUAL FORMS. |
PCT/NO1989/000045 WO1989011504A1 (en) | 1988-05-18 | 1989-05-11 | Xanthan concentrate, process of preparing thereof and use thereof by increased recovery of oil from subterranean formations |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68905925D1 true DE68905925D1 (en) | 1993-05-13 |
DE68905925T2 DE68905925T2 (en) | 1993-07-08 |
Family
ID=26648088
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1989906198 Pending DE415993T1 (en) | 1988-05-18 | 1989-05-11 | XANTHANE CONCENTRATES, METHOD FOR PRODUCING AND USE FOR INCREASING THE EXTRACTION OF OIL FROM UNDERGROUND FORMATIONS. |
DE1989605925 Expired - Fee Related DE68905925T2 (en) | 1988-05-18 | 1989-05-11 | XANTHANE CONCENTRATES, METHOD FOR PRODUCING AND USE FOR INCREASING THE EXTRACTION OF OIL FROM UNDERGROUND FORMATIONS. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1989906198 Pending DE415993T1 (en) | 1988-05-18 | 1989-05-11 | XANTHANE CONCENTRATES, METHOD FOR PRODUCING AND USE FOR INCREASING THE EXTRACTION OF OIL FROM UNDERGROUND FORMATIONS. |
Country Status (1)
Country | Link |
---|---|
DE (2) | DE415993T1 (en) |
-
1989
- 1989-05-11 DE DE1989906198 patent/DE415993T1/en active Pending
- 1989-05-11 DE DE1989605925 patent/DE68905925T2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE415993T1 (en) | 1991-11-07 |
DE68905925T2 (en) | 1993-07-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |