FR2136734A5 - - Google Patents
Info
- Publication number
- FR2136734A5 FR2136734A5 FR7214984A FR7214984A FR2136734A5 FR 2136734 A5 FR2136734 A5 FR 2136734A5 FR 7214984 A FR7214984 A FR 7214984A FR 7214984 A FR7214984 A FR 7214984A FR 2136734 A5 FR2136734 A5 FR 2136734A5
- Authority
- FR
- France
- 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
Links
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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/08—Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
-
- 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
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/04—Ball valves
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Safety Valves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13813871A | 1971-04-28 | 1971-04-28 | |
| US15511871A | 1971-06-21 | 1971-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2136734A5 true FR2136734A5 (enExample) | 1972-12-22 |
Family
ID=26835898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7214984A Expired FR2136734A5 (enExample) | 1971-04-28 | 1972-04-27 |
Country Status (4)
| Country | Link |
|---|---|
| AR (1) | AR207201A1 (enExample) |
| DE (1) | DE2220403A1 (enExample) |
| FR (1) | FR2136734A5 (enExample) |
| GB (1) | GB1387752A (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4721162A (en) * | 1984-08-29 | 1988-01-26 | Camco, Incorporated | Fluid level controlled safety valve |
| US5029646A (en) * | 1990-07-11 | 1991-07-09 | Camco International Inc. | Orifice well safety valve with release mechanism |
| US7740075B2 (en) | 2008-07-09 | 2010-06-22 | Schlumberger Technology Corporation | Pressure relief actuated valves |
-
1972
- 1972-01-01 AR AR241688A patent/AR207201A1/es active
- 1972-04-26 DE DE19722220403 patent/DE2220403A1/de active Pending
- 1972-04-27 FR FR7214984A patent/FR2136734A5/fr not_active Expired
- 1972-04-27 GB GB1960272A patent/GB1387752A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2220403A1 (de) | 1972-11-02 |
| GB1387752A (en) | 1975-03-19 |
| AR207201A1 (es) | 1976-09-22 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |