GB2411193B - Bi-directional barrier - Google Patents
Bi-directional barrierInfo
- Publication number
- GB2411193B GB2411193B GB0511677A GB0511677A GB2411193B GB 2411193 B GB2411193 B GB 2411193B GB 0511677 A GB0511677 A GB 0511677A GB 0511677 A GB0511677 A GB 0511677A GB 2411193 B GB2411193 B GB 2411193B
- Authority
- GB
- United Kingdom
- Prior art keywords
- directional barrier
- directional
- barrier
- 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 - Fee Related
Links
- 230000004888 barrier function Effects 0.000 title 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/08—Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
-
- 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
- E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
- E21B34/102—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole with means for locking the closing element in open or closed position
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/14—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
-
- 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
- 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)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0600797A GB2418694B (en) | 2001-12-19 | 2002-12-18 | Bi-directional barrier |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US34272101P | 2001-12-19 | 2001-12-19 | |
GB0412899A GB2400394B (en) | 2001-12-19 | 2002-12-18 | Bi-directional barrier |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0511677D0 GB0511677D0 (en) | 2005-07-13 |
GB2411193A GB2411193A (en) | 2005-08-24 |
GB2411193B true GB2411193B (en) | 2006-03-29 |
Family
ID=34828678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0511677A Expired - Fee Related GB2411193B (en) | 2001-12-19 | 2002-12-18 | Bi-directional barrier |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2411193B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7762336B2 (en) | 2006-06-12 | 2010-07-27 | Weatherford/Lamb, Inc. | Flapper latch |
US7673689B2 (en) | 2006-06-12 | 2010-03-09 | Weatherford/Lamb, Inc. | Dual flapper barrier valve |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4846281A (en) * | 1987-08-27 | 1989-07-11 | Otis Engineering Corporation | Dual flapper valve assembly |
US6015014A (en) * | 1996-05-29 | 2000-01-18 | Baker Hughes Incorporated | Downhole lubricator and method |
-
2002
- 2002-12-18 GB GB0511677A patent/GB2411193B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4846281A (en) * | 1987-08-27 | 1989-07-11 | Otis Engineering Corporation | Dual flapper valve assembly |
US6015014A (en) * | 1996-05-29 | 2000-01-18 | Baker Hughes Incorporated | Downhole lubricator and method |
Also Published As
Publication number | Publication date |
---|---|
GB0511677D0 (en) | 2005-07-13 |
GB2411193A (en) | 2005-08-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20121218 |