GB2170836B - Subsurface safety valve - Google Patents
Subsurface safety valveInfo
- Publication number
- GB2170836B GB2170836B GB08503235A GB8503235A GB2170836B GB 2170836 B GB2170836 B GB 2170836B GB 08503235 A GB08503235 A GB 08503235A GB 8503235 A GB8503235 A GB 8503235A GB 2170836 B GB2170836 B GB 2170836B
- Authority
- GB
- United Kingdom
- Prior art keywords
- safety valve
- subsurface safety
- subsurface
- valve
- safety
- 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
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
- E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
- E21B34/105—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole retrievable, e.g. wire line retrievable, i.e. with an element which can be landed into a landing-nipple provided with a passage for control fluid
- E21B34/107—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole retrievable, e.g. wire line retrievable, i.e. with an element which can be landed into a landing-nipple provided with a passage for control fluid the retrievable element being an operating or controlling means retrievable separately from the closure member, e.g. pilot valve landed into a side pocket
-
- 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)
- Lift Valve (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08503235A GB2170836B (en) | 1985-02-08 | 1985-02-08 | Subsurface safety valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08503235A GB2170836B (en) | 1985-02-08 | 1985-02-08 | Subsurface safety valve |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8503235D0 GB8503235D0 (en) | 1985-03-13 |
GB2170836A GB2170836A (en) | 1986-08-13 |
GB2170836B true GB2170836B (en) | 1988-05-11 |
Family
ID=10574143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08503235A Expired GB2170836B (en) | 1985-02-08 | 1985-02-08 | Subsurface safety valve |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2170836B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5193615A (en) * | 1990-05-04 | 1993-03-16 | Ava International Corporation | Apparatus for use in controlling flow through a tubing string suspended and packed off within well bore as well as within the annulus between the tubing string and well bore above and below the packer |
-
1985
- 1985-02-08 GB GB08503235A patent/GB2170836B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2170836A (en) | 1986-08-13 |
GB8503235D0 (en) | 1985-03-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19950208 |