DE3541826C2 - - Google Patents
Info
- Publication number
- DE3541826C2 DE3541826C2 DE19853541826 DE3541826A DE3541826C2 DE 3541826 C2 DE3541826 C2 DE 3541826C2 DE 19853541826 DE19853541826 DE 19853541826 DE 3541826 A DE3541826 A DE 3541826A DE 3541826 C2 DE3541826 C2 DE 3541826C2
- Authority
- DE
- Germany
- Prior art keywords
- valve
- valve body
- annular space
- bores
- spring
- 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
Links
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims 2
- 239000003345 natural gas Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000556 Monel K-500 Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229910001026 inconel Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000002343 natural gas well Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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
- E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/129—Packers; Plugs with mechanical slips for hooking into the casing
- E21B33/1294—Packers; Plugs with mechanical slips for hooking into the casing characterised by a valve, e.g. a by-pass valve
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853541826 DE3541826A1 (de) | 1985-11-27 | 1985-11-27 | Ringraumventil, insbesondere fuer erdgas - und erdoelbohrungen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853541826 DE3541826A1 (de) | 1985-11-27 | 1985-11-27 | Ringraumventil, insbesondere fuer erdgas - und erdoelbohrungen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3541826A1 DE3541826A1 (de) | 1987-06-04 |
| DE3541826C2 true DE3541826C2 (ja) | 1989-07-27 |
Family
ID=6286915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19853541826 Granted DE3541826A1 (de) | 1985-11-27 | 1985-11-27 | Ringraumventil, insbesondere fuer erdgas - und erdoelbohrungen |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3541826A1 (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5318127A (en) * | 1992-08-03 | 1994-06-07 | Halliburton Company | Surface controlled annulus safety system for well bores |
| MX365459B (es) | 2012-12-28 | 2019-06-04 | Halliburton Energy Services Inc | Mitigacion de efectos de pistones de suaveo y compensacion en los pozos. |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3252476A (en) * | 1963-04-12 | 1966-05-24 | Jr John S Page | Fluid pressure responsive valve and control means therefor |
| US4049052A (en) * | 1976-04-05 | 1977-09-20 | Otis Engineering Corporation | Subsurface annulus safety valve |
| US4388970A (en) * | 1981-02-20 | 1983-06-21 | Otis Engineering Corporation | Apparatus and method for controlling injection fluid flow in a well annulus |
-
1985
- 1985-11-27 DE DE19853541826 patent/DE3541826A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3541826A1 (de) | 1987-06-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8101 | Request for examination as to novelty | ||
| 8105 | Search report available | ||
| 8110 | Request for examination paragraph 44 | ||
| 8125 | Change of the main classification |
Ipc: E21B 34/10 |
|
| 8181 | Inventor (new situation) |
Free format text: VOIGT, KLAUS, DIPL.-ING., 3101 HAMBUEHREN, DE |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee | ||
| 8370 | Indication of lapse of patent is to be deleted | ||
| 8339 | Ceased/non-payment of the annual fee |