DD108346A1 - - Google Patents
Info
- Publication number
- DD108346A1 DD108346A1 DD17543473A DD17543473A DD108346A1 DD 108346 A1 DD108346 A1 DD 108346A1 DD 17543473 A DD17543473 A DD 17543473A DD 17543473 A DD17543473 A DD 17543473A DD 108346 A1 DD108346 A1 DD 108346A1
- Authority
- DD
- German Democratic Republic
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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722261995 DE2261995A1 (de) | 1972-12-19 | 1972-12-19 | Vorrichtung zum bewegen eines rohres, insbesondere futterrohres fuer bohrloecher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD108346A1 true DD108346A1 (enrdf_load_stackoverflow) | 1974-09-12 |
Family
ID=5864779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD17543473A DD108346A1 (enrdf_load_stackoverflow) | 1972-12-19 | 1973-12-18 |
Country Status (5)
| Country | Link |
|---|---|
| CA (1) | CA976083A (enrdf_load_stackoverflow) |
| DD (1) | DD108346A1 (enrdf_load_stackoverflow) |
| DE (1) | DE2261995A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2213405B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1452524A (enrdf_load_stackoverflow) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8828087D0 (en) * | 1988-12-01 | 1989-01-05 | Weatherford Us Inc | Active jaw for power tong |
| CA2440579C (en) * | 2002-09-12 | 2010-11-23 | National-Oilwell, L.P. | Cam operated jaw force intensifier for gripping a cylindrical member |
| US7748297B2 (en) | 2002-09-12 | 2010-07-06 | National Oilwell Varco, L.P. | Cam operated jaw force intensifier for gripping a cylindrical member |
| US8752619B2 (en) | 2010-04-21 | 2014-06-17 | National Oilwell Varco, L.P. | Apparatus for suspending a downhole well string |
| US8585110B2 (en) | 2011-12-31 | 2013-11-19 | National Oilwell Varco, L.P. | Internal pipe gripping tool |
| CZ201440A3 (cs) * | 2014-01-20 | 2015-08-05 | Ĺ KODA MACHINE TOOL, a. s. | Pohony pro vzájemně nezávislé vyvození protiběžného pohybu pastorků otočné upínací desky obráběcího stroje |
| CN112059573B (zh) * | 2020-09-01 | 2022-11-22 | 王海彬 | 一种管道柔性链接rov操作设备及方法 |
| CN113021257B (zh) * | 2021-03-04 | 2025-02-18 | 秦钱军 | 一种无损液压拆管装置的头部机构 |
| CN114000839B (zh) * | 2021-10-25 | 2023-09-15 | 西南石油大学 | 一种高效率管柱冲扣装置 |
-
1972
- 1972-12-19 DE DE19722261995 patent/DE2261995A1/de active Pending
-
1973
- 1973-12-18 DD DD17543473A patent/DD108346A1/xx unknown
- 1973-12-18 FR FR7345318A patent/FR2213405B1/fr not_active Expired
- 1973-12-19 GB GB5894373A patent/GB1452524A/en not_active Expired
- 1973-12-19 CA CA188,453A patent/CA976083A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2213405A1 (enrdf_load_stackoverflow) | 1974-08-02 |
| FR2213405B1 (enrdf_load_stackoverflow) | 1978-11-03 |
| GB1452524A (en) | 1976-10-13 |
| CA976083A (en) | 1975-10-14 |
| DE2261995A1 (de) | 1974-07-04 |