IT1240767B - PACKER EQUIPMENT AND RELATED METHOD FOR INSULATING AND REPAIRING THE HEAD OF A WELL. - Google Patents
PACKER EQUIPMENT AND RELATED METHOD FOR INSULATING AND REPAIRING THE HEAD OF A WELL.Info
- Publication number
- IT1240767B IT1240767B IT47656A IT4765690A IT1240767B IT 1240767 B IT1240767 B IT 1240767B IT 47656 A IT47656 A IT 47656A IT 4765690 A IT4765690 A IT 4765690A IT 1240767 B IT1240767 B IT 1240767B
- Authority
- IT
- Italy
- Prior art keywords
- repairing
- insulating
- head
- well
- related method
- Prior art date
Links
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/313,688 US4984636A (en) | 1989-02-21 | 1989-02-21 | Geothermal wellhead repair unit |
US07/404,159 US5009265A (en) | 1989-09-07 | 1989-09-07 | Packer for wellhead repair unit |
Publications (3)
Publication Number | Publication Date |
---|---|
IT9047656A0 IT9047656A0 (en) | 1990-02-21 |
IT9047656A1 IT9047656A1 (en) | 1990-08-22 |
IT1240767B true IT1240767B (en) | 1993-12-17 |
Family
ID=26979000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT47656A IT1240767B (en) | 1989-02-21 | 1990-02-21 | PACKER EQUIPMENT AND RELATED METHOD FOR INSULATING AND REPAIRING THE HEAD OF A WELL. |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPH02292492A (en) |
AU (2) | AU617586B2 (en) |
CA (1) | CA2010326C (en) |
IT (1) | IT1240767B (en) |
NZ (1) | NZ232571A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6282201B2 (en) * | 2013-10-23 | 2018-02-21 | 株式会社クレハ | Well drilling plug with ring-shaped ratchet mechanism |
CN112049601B (en) * | 2020-09-30 | 2023-11-17 | 中国石油天然气集团有限公司 | Wellbore packer device at near wellhead of oil and gas well and application method thereof |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4452304A (en) * | 1981-06-24 | 1984-06-05 | Tri-State Oil Tool Industries | Remotely operated packer and anchor apparatus for changing a geothermal wellhead valve |
US4751965A (en) * | 1987-04-30 | 1988-06-21 | Cameron Iron Works Usa, Inc. | Wellhead seal assembly |
-
1990
- 1990-02-08 AU AU49280/90A patent/AU617586B2/en not_active Ceased
- 1990-02-16 NZ NZ23257190A patent/NZ232571A/en unknown
- 1990-02-19 CA CA 2010326 patent/CA2010326C/en not_active Expired - Fee Related
- 1990-02-20 JP JP3957290A patent/JPH02292492A/en active Pending
- 1990-02-21 IT IT47656A patent/IT1240767B/en active IP Right Grant
-
1991
- 1991-09-13 AU AU83893/91A patent/AU634093B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
AU634093B2 (en) | 1993-02-11 |
CA2010326A1 (en) | 1990-08-21 |
AU4928090A (en) | 1990-09-13 |
CA2010326C (en) | 1994-10-25 |
JPH02292492A (en) | 1990-12-03 |
AU617586B2 (en) | 1991-11-28 |
IT9047656A0 (en) | 1990-02-21 |
AU8389391A (en) | 1991-11-14 |
NZ232571A (en) | 1993-02-25 |
IT9047656A1 (en) | 1990-08-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |