JPH0315677Y2 - - Google Patents
Info
- Publication number
- JPH0315677Y2 JPH0315677Y2 JP1200887U JP1200887U JPH0315677Y2 JP H0315677 Y2 JPH0315677 Y2 JP H0315677Y2 JP 1200887 U JP1200887 U JP 1200887U JP 1200887 U JP1200887 U JP 1200887U JP H0315677 Y2 JPH0315677 Y2 JP H0315677Y2
- Authority
- JP
- Japan
- Prior art keywords
- tubing
- pressing member
- underground
- seal ring
- casing
- 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
- 238000004891 communication Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 2
- 238000007789 sealing Methods 0.000 description 7
- 239000002184 metal Substances 0.000 description 5
- 239000002341 toxic gas Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000004519 grease Substances 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1200887U JPH0315677Y2 (enExample) | 1987-01-28 | 1987-01-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1200887U JPH0315677Y2 (enExample) | 1987-01-28 | 1987-01-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63121692U JPS63121692U (enExample) | 1988-08-08 |
| JPH0315677Y2 true JPH0315677Y2 (enExample) | 1991-04-04 |
Family
ID=30799738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1200887U Expired JPH0315677Y2 (enExample) | 1987-01-28 | 1987-01-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0315677Y2 (enExample) |
-
1987
- 1987-01-28 JP JP1200887U patent/JPH0315677Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63121692U (enExample) | 1988-08-08 |
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