GB1238275A - - Google Patents
Info
- Publication number
- GB1238275A GB1238275A GB1238275DA GB1238275A GB 1238275 A GB1238275 A GB 1238275A GB 1238275D A GB1238275D A GB 1238275DA GB 1238275 A GB1238275 A GB 1238275A
- Authority
- GB
- United Kingdom
- Prior art keywords
- oct
- sections
- inserts
- preventer
- hydril
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000012530 fluid Substances 0.000 abstract 1
- 238000012856 packing Methods 0.000 abstract 1
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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Bridges Or Land Bridges (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Gasket Seals (AREA)
Abstract
1,238,275. Wells &c. HYDRIL CO. 14 Oct., 1969 [14 Oct., 1968], No. 50523/69. Heading E1F. The packing ring 40 of a blowout preventer comprises a circular series of resilient sections 41. The sections, which may be cemented together, have metallic inserts 64 and interengaging projections and sockets 57, 58. Fluid supplied through a duct 36 raises an actuator 30 to close the preventer. A modified section comprises three inserts.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US76719368A | 1968-10-14 | 1968-10-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1238275A true GB1238275A (en) | 1971-07-07 |
Family
ID=25078769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1238275D Expired GB1238275A (en) | 1968-10-14 | 1969-10-14 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3591125A (en) |
JP (1) | JPS5018842B1 (en) |
DE (1) | DE1950941A1 (en) |
FR (1) | FR2020674A1 (en) |
GB (1) | GB1238275A (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3728041A (en) * | 1971-10-04 | 1973-04-17 | Gen Electric | Fluidic seal for segmented nozzle diaphragm |
US4098516A (en) * | 1977-08-15 | 1978-07-04 | Hydril Company | Blowout preventer packing unit with slanted reinforcing inserts |
DK143211C (en) * | 1978-08-30 | 1981-11-23 | Larsen U M | CLUTCH FOR PLACING AT THE END OF A TUBE FOR INSTALLING A SHUTTER VALVE |
US4452421A (en) * | 1981-06-25 | 1984-06-05 | Hydril Company | Well blowout preventer, and packing element |
US4447037A (en) * | 1981-06-25 | 1984-05-08 | Hydril Company | Well blowout preventer, and packing element |
US4461448A (en) * | 1981-06-25 | 1984-07-24 | Hydril Company | Well blowout preventer, and packing element |
US4339107A (en) * | 1981-08-17 | 1982-07-13 | Oil Tool Molded Products, Inc. | Well blowout preventer packer assembly and packer modules therefor |
US4657263A (en) * | 1983-04-18 | 1987-04-14 | Hydril Company | Annular packing unit and insert |
US4900067A (en) * | 1985-04-26 | 1990-02-13 | Vetco Gray Inc. | Retrievable packoff with an embedded flexible, metallic band |
US4605195A (en) * | 1985-05-01 | 1986-08-12 | Hydril Company | Annular blowout preventer packing unit |
US5283957A (en) * | 1993-02-25 | 1994-02-08 | Chou Ming Fu | Inclinometer for wheeled cycles |
US5507465A (en) * | 1995-04-07 | 1996-04-16 | Borle; Del | Blow-out preventer |
US5851013A (en) * | 1997-07-03 | 1998-12-22 | Hydril Company | Blowout preventer packing element with metallic inserts |
US8756784B2 (en) * | 2010-01-22 | 2014-06-24 | Gm Global Technology Operations, Llc | Seal protector assembly |
GB201315216D0 (en) * | 2013-08-27 | 2013-10-09 | Enovate Systems Ltd | Improved annular blow out preventer |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US835079A (en) * | 1905-01-09 | 1906-11-06 | Firm Of C Medtner And E Seeger | Cover or wearing-surface for wheel-tires and other objects exposed to wear. |
US1191876A (en) * | 1912-12-30 | 1916-07-18 | James Walter Henry Dew | Process of manufacturing solid rubber or like tires and treads of pneumatic tires. |
US1586923A (en) * | 1924-02-18 | 1926-06-01 | Elvin E Townsend | Well-drilling equipment |
US1942489A (en) * | 1932-08-23 | 1934-01-09 | S R Dresser Mfg Co | Gasket |
US2144831A (en) * | 1935-01-14 | 1939-01-24 | Raybestos Manhattan Inc | Friction clutch facing |
US2129531A (en) * | 1936-11-20 | 1938-09-06 | Abegg & Reinhold Co | Tubing blow-out preventer |
US2278756A (en) * | 1940-05-27 | 1942-04-07 | Gen Tire & Rubber Co | Method of forming tube or gasket angles |
US2609836A (en) * | 1946-08-16 | 1952-09-09 | Hydril Corp | Control head and blow-out preventer |
US2855172A (en) * | 1956-04-06 | 1958-10-07 | Cameron Iron Works Inc | Blowout preventer and ram therefor |
FR1206889A (en) * | 1958-05-21 | 1960-02-12 | Cameron Iron Works Inc | Borehole blowout valve |
-
1968
- 1968-10-14 US US767193A patent/US3591125A/en not_active Expired - Lifetime
-
1969
- 1969-10-09 DE DE19691950941 patent/DE1950941A1/en not_active Withdrawn
- 1969-10-14 FR FR6935162A patent/FR2020674A1/fr not_active Withdrawn
- 1969-10-14 GB GB1238275D patent/GB1238275A/en not_active Expired
- 1969-10-14 JP JP44081649A patent/JPS5018842B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS5018842B1 (en) | 1975-07-02 |
DE1950941A1 (en) | 1970-04-23 |
FR2020674A1 (en) | 1970-07-17 |
US3591125A (en) | 1971-07-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |