NL7003556A - - Google Patents
Info
- Publication number
- NL7003556A NL7003556A NL7003556A NL7003556A NL7003556A NL 7003556 A NL7003556 A NL 7003556A NL 7003556 A NL7003556 A NL 7003556A NL 7003556 A NL7003556 A NL 7003556A NL 7003556 A NL7003556 A NL 7003556A
- Authority
- NL
- Netherlands
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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
-
- 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
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Cleaning In General (AREA)
- Pipe Accessories (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US80776669A | 1969-03-13 | 1969-03-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
NL7003556A true NL7003556A (da) | 1970-09-15 |
NL152058B NL152058B (nl) | 1977-01-17 |
Family
ID=25197134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7003556A NL152058B (nl) | 1969-03-13 | 1970-03-12 | Inrichting voor het verwijderen van ongewenst materiaal, zoals zand uit een boorput. |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5020922B1 (da) |
AT (1) | AT302934B (da) |
DE (1) | DE2011475C3 (da) |
DK (1) | DK131053B (da) |
FR (1) | FR2037745A5 (da) |
GB (1) | GB1248355A (da) |
NL (1) | NL152058B (da) |
SE (1) | SE362468B (da) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110259420A (zh) * | 2019-06-18 | 2019-09-20 | 东北石油大学 | 可投捞式井下泡沫发生器 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52121126A (en) * | 1976-04-02 | 1977-10-12 | Nissan Diesel Motor Co Ltd | Exhaust gas reflux control equipment |
JPS56152858U (da) * | 1980-04-17 | 1981-11-16 | ||
FR2659384B1 (fr) * | 1990-03-07 | 1995-09-15 | Ungemach Pierre | Dispositif de curage et de nettoyage de puits affectes de depots et incrustations. |
CA2481533C (en) | 2004-09-10 | 2009-04-21 | Al Leduc | Method of foam emulsion well cleanout for gas well |
CN104632110B (zh) * | 2013-11-14 | 2017-06-09 | 中国石油集团川庆钻探工程有限公司 | 一种适用于气液两相流钻井的连续循环钻井工艺 |
CN104088596B (zh) * | 2014-07-08 | 2017-02-08 | 南通格雷斯智能环保设备有限公司 | 油井清砂器活塞抽吸装置 |
US10954731B2 (en) | 2018-04-25 | 2021-03-23 | Exxonmobil Upstream Research Company | Foam cap drilling methods |
RU209624U1 (ru) * | 2021-11-09 | 2022-03-17 | Общество с ограниченной ответственностью «ГРП ТЕХНО СЕРВИС» | Устройство для очистки скважины от проппантовой пробки |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1492042A (en) * | 1923-06-18 | 1924-04-29 | David G Lorraine | Process and apparatus for cleaning wells |
US2880965A (en) * | 1955-07-07 | 1959-04-07 | Phillips Petroleum Co | Means and method of drilling with aerated drilling liquids |
FR1226244A (fr) * | 1959-05-20 | 1960-07-08 | Baker Oil Tools Inc | Vanne à flotteur pour tiges de forage de puits |
US3298385A (en) * | 1965-09-22 | 1967-01-17 | Well Completions Inc | Constant circulating coupling device |
-
1970
- 1970-03-06 FR FR7008133A patent/FR2037745A5/fr not_active Expired
- 1970-03-11 DK DK121070A patent/DK131053B/da not_active IP Right Cessation
- 1970-03-11 DE DE19702011475 patent/DE2011475C3/de not_active Expired
- 1970-03-12 SE SE328370A patent/SE362468B/xx unknown
- 1970-03-12 AT AT233370A patent/AT302934B/de not_active IP Right Cessation
- 1970-03-12 NL NL7003556A patent/NL152058B/xx not_active IP Right Cessation
- 1970-03-13 JP JP2143770A patent/JPS5020922B1/ja active Pending
- 1970-03-13 GB GB1229470A patent/GB1248355A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110259420A (zh) * | 2019-06-18 | 2019-09-20 | 东北石油大学 | 可投捞式井下泡沫发生器 |
CN110259420B (zh) * | 2019-06-18 | 2023-12-19 | 东北石油大学 | 可投捞式井下泡沫发生器 |
Also Published As
Publication number | Publication date |
---|---|
GB1248355A (en) | 1971-09-29 |
DE2011475B2 (de) | 1979-05-31 |
SE362468B (da) | 1973-12-10 |
DK131053C (da) | 1975-10-20 |
FR2037745A5 (da) | 1970-12-31 |
DE2011475A1 (de) | 1970-09-24 |
DE2011475C3 (de) | 1980-01-17 |
AT302934B (de) | 1972-11-10 |
NL152058B (nl) | 1977-01-17 |
DK131053B (da) | 1975-05-20 |
JPS5020922B1 (da) | 1975-07-18 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: CHEVRON |
|
V4 | Lapsed because of reaching the maxim lifetime of a patent |