BE725770A - - Google Patents
Info
- Publication number
- BE725770A BE725770A BE725770DA BE725770A BE 725770 A BE725770 A BE 725770A BE 725770D A BE725770D A BE 725770DA BE 725770 A BE725770 A BE 725770A
- Authority
- BE
- Belgium
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B33/128—Packers; Plugs with a member expanded radially by axial pressure
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US69220367A | 1967-12-20 | 1967-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE725770A true BE725770A (de) | 1969-06-20 |
Family
ID=24779641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE725770D BE725770A (de) | 1967-12-20 | 1968-12-20 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE725770A (de) |
| DE (1) | DE1816136A1 (de) |
| FR (1) | FR1598578A (de) |
| GB (1) | GB1257790A (de) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4852649A (en) * | 1988-09-20 | 1989-08-01 | Otis Engineering Corporation | Packer seal means and method |
| US5678635A (en) * | 1994-04-06 | 1997-10-21 | Tiw Corporation | Thru tubing bridge plug and method |
| NO312479B1 (no) * | 2000-08-21 | 2002-05-13 | Geir Ueland | Anordning ved ekspanderende pakningselement |
| GB0413042D0 (en) | 2004-06-11 | 2004-07-14 | Petrowell Ltd | Sealing system |
| GB0423992D0 (en) | 2004-10-29 | 2004-12-01 | Petrowell Ltd | Improved plug |
| GB0507237D0 (en) | 2005-04-09 | 2005-05-18 | Petrowell Ltd | Improved packer |
| CA2681603C (en) | 2006-03-23 | 2014-05-13 | Petrowell Limited | Improved packer |
| GB0622916D0 (en) | 2006-11-17 | 2006-12-27 | Petrowell Ltd | Improved tree plug |
| GB0711871D0 (en) | 2007-06-20 | 2007-07-25 | Petrowell Ltd | Improved activation device |
| GB0723607D0 (en) | 2007-12-03 | 2008-01-09 | Petrowell Ltd | Improved centraliser |
| GB0803123D0 (en) | 2008-02-21 | 2008-03-26 | Petrowell Ltd | Improved tubing section |
| GB0804961D0 (en) | 2008-03-18 | 2008-04-16 | Petrowell Ltd | Improved centraliser |
| GB0805719D0 (en) | 2008-03-29 | 2008-04-30 | Petrowell Ltd | Improved tubing section coupling |
| CN116446819A (zh) * | 2022-02-17 | 2023-07-18 | 成都理工大学 | 一种井内封隔器及基于其形成地下水循环流场方法 |
| CN116641682B (zh) * | 2023-07-26 | 2023-09-29 | 四川圣诺油气工程技术服务有限公司 | 一种涡叶式油管堵塞器及其使用方法 |
-
1968
- 1968-12-17 GB GB1257790D patent/GB1257790A/en not_active Expired
- 1968-12-20 FR FR1598578D patent/FR1598578A/fr not_active Expired
- 1968-12-20 DE DE19681816136 patent/DE1816136A1/de active Pending
- 1968-12-20 BE BE725770D patent/BE725770A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1816136A1 (de) | 1969-07-17 |
| GB1257790A (de) | 1971-12-22 |
| FR1598578A (de) | 1970-07-06 |