IT7827342A0 - Valvola di sicurezza per prove di trivellazione di pozzi in particolare petroliferi, effettuate in mare mediante natanti di trivellazione. - Google Patents
Valvola di sicurezza per prove di trivellazione di pozzi in particolare petroliferi, effettuate in mare mediante natanti di trivellazione.Info
- Publication number
- IT7827342A0 IT7827342A0 IT7827342A IT2734278A IT7827342A0 IT 7827342 A0 IT7827342 A0 IT 7827342A0 IT 7827342 A IT7827342 A IT 7827342A IT 2734278 A IT2734278 A IT 2734278A IT 7827342 A0 IT7827342 A0 IT 7827342A0
- Authority
- IT
- Italy
- Prior art keywords
- drilling
- sea
- wells
- carried out
- safety valve
- Prior art date
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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/12—Valve arrangements for boreholes or wells in wells operated by movement of casings or tubings
-
- 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
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/05—Flapper valves
Landscapes
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Safety Valves (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Mechanically-Actuated Valves (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/830,714 US4141418A (en) | 1977-09-06 | 1977-09-06 | Safety valve hydraulically operated by telescopic drill stem movement |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7827342A0 true IT7827342A0 (it) | 1978-09-05 |
IT1098504B IT1098504B (it) | 1985-09-07 |
Family
ID=25257545
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT27342/78A IT1098504B (it) | 1977-09-06 | 1978-09-05 | Valvola di sicurezza per prove di trivellazione di pozzi in particolare petroliferi,effettuate in mare mediante natanti di trivellazione |
Country Status (11)
Country | Link |
---|---|
US (1) | US4141418A (it) |
AR (1) | AR225136A1 (it) |
BR (1) | BR7805772A (it) |
CA (1) | CA1091578A (it) |
DE (1) | DE2838255A1 (it) |
FR (1) | FR2402137B1 (it) |
GB (1) | GB2003959B (it) |
IT (1) | IT1098504B (it) |
MX (1) | MX147647A (it) |
NL (1) | NL185098C (it) |
NO (1) | NO783026L (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4458762A (en) * | 1982-04-21 | 1984-07-10 | Halliburton Company | Recloseable auxiliary valve |
US4648457A (en) * | 1985-10-24 | 1987-03-10 | Baker Oil Tools, Inc. | Injection control device for subterranean well conduit |
US4846280A (en) * | 1988-04-08 | 1989-07-11 | Marathon Oil Company | Drill stem test method and apparatus |
US6032736A (en) * | 1997-05-05 | 2000-03-07 | Williams; J. Terrell | Multi-gage blowout preventer test tool and method |
WO1998050676A1 (en) * | 1997-05-05 | 1998-11-12 | Terrell Williams J | Shearable multi-gage blowout preventer test tool and method |
US9212536B2 (en) | 2012-06-25 | 2015-12-15 | Schlumberger Technology Corporation | Device having a hard seat support |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3367422A (en) * | 1966-02-25 | 1968-02-06 | National Science Foundation Usa | Bumper sub position indicator |
US3646995A (en) * | 1969-12-08 | 1972-03-07 | Halliburton Co | Method and apparatus for testing offshore wells |
US3653439A (en) * | 1970-06-01 | 1972-04-04 | Schlumberger Technology Corp | Subsurface safety valve |
US3815675A (en) * | 1972-05-22 | 1974-06-11 | Exxon Production Research Co | Wireline operated subsurface safety valve |
US3845818A (en) * | 1973-08-10 | 1974-11-05 | Otis Eng Co | Well tools |
US3861464A (en) * | 1973-10-29 | 1975-01-21 | Varco Int | Safety valve for wells |
US3901321A (en) * | 1973-12-26 | 1975-08-26 | Hydril Co | Safety valve method and apparatus |
-
1977
- 1977-09-06 US US05/830,714 patent/US4141418A/en not_active Expired - Lifetime
-
1978
- 1978-08-23 CA CA309,906A patent/CA1091578A/en not_active Expired
- 1978-08-23 NL NLAANVRAGE7808688,A patent/NL185098C/xx not_active IP Right Cessation
- 1978-09-01 DE DE19782838255 patent/DE2838255A1/de not_active Withdrawn
- 1978-09-04 BR BR7805772A patent/BR7805772A/pt unknown
- 1978-09-05 IT IT27342/78A patent/IT1098504B/it active
- 1978-09-05 GB GB7835636A patent/GB2003959B/en not_active Expired
- 1978-09-05 MX MX174763A patent/MX147647A/es unknown
- 1978-09-05 NO NO783026A patent/NO783026L/no unknown
- 1978-09-05 FR FR7825478A patent/FR2402137B1/fr not_active Expired
- 1978-09-06 AR AR273594A patent/AR225136A1/es active
Also Published As
Publication number | Publication date |
---|---|
AR225136A1 (es) | 1982-02-26 |
IT1098504B (it) | 1985-09-07 |
NO783026L (no) | 1979-03-07 |
NL185098B (nl) | 1989-08-16 |
NL7808688A (nl) | 1979-03-08 |
DE2838255A1 (de) | 1979-03-15 |
US4141418A (en) | 1979-02-27 |
FR2402137A1 (fr) | 1979-03-30 |
BR7805772A (pt) | 1979-04-24 |
CA1091578A (en) | 1980-12-16 |
FR2402137B1 (fr) | 1985-10-25 |
GB2003959A (en) | 1979-03-21 |
MX147647A (es) | 1982-12-30 |
NL185098C (nl) | 1990-01-16 |
GB2003959B (en) | 1982-01-27 |
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