GB8311342D0 - Valve - Google Patents
ValveInfo
- Publication number
- GB8311342D0 GB8311342D0 GB838311342A GB8311342A GB8311342D0 GB 8311342 D0 GB8311342 D0 GB 8311342D0 GB 838311342 A GB838311342 A GB 838311342A GB 8311342 A GB8311342 A GB 8311342A GB 8311342 D0 GB8311342 D0 GB 8311342D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- 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.)
- Granted
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
- E21B21/10—Valve arrangements in drilling-fluid 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
- E21B21/103—Down-hole by-pass valve arrangements, i.e. between the inside of the drill string and the annulus
-
- 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
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/04—Ball valves
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Feeding And Controlling Fuel (AREA)
- Details Of Valves (AREA)
- Lift Valve (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US37213482A | 1982-04-27 | 1982-04-27 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8311342D0 true GB8311342D0 (en) | 1983-06-02 |
GB2118998A GB2118998A (en) | 1983-11-09 |
GB2118998B GB2118998B (en) | 1985-09-04 |
Family
ID=23466844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08311342A Expired GB2118998B (en) | 1982-04-27 | 1983-04-26 | Valve for wells |
Country Status (4)
Country | Link |
---|---|
CA (1) | CA1206870A (en) |
GB (1) | GB2118998B (en) |
NO (1) | NO831465L (en) |
SG (1) | SG30986G (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4566478A (en) * | 1982-04-27 | 1986-01-28 | Otis Engineering Corporation | Well safety and kill valve |
US4912118A (en) * | 1983-09-23 | 1990-03-27 | National Research Development Corporation | Pharmaceutical compositions |
GB8514887D0 (en) * | 1985-06-12 | 1985-07-17 | Smedvig Peder As | Down-hole blow-out preventers |
GB9612609D0 (en) * | 1996-06-17 | 1996-08-21 | Petroline Wireline Services | Downhole apparatus |
GB9905279D0 (en) | 1999-03-08 | 1999-04-28 | Petroline Wellsystems Ltd | Downhole apparatus |
US9353587B2 (en) * | 2011-09-21 | 2016-05-31 | Weatherford Technology Holdings, Llc | Three-way flow sub for continuous circulation |
US10006262B2 (en) | 2014-02-21 | 2018-06-26 | Weatherford Technology Holdings, Llc | Continuous flow system for drilling oil and gas wells |
-
1983
- 1983-03-30 CA CA000424887A patent/CA1206870A/en not_active Expired
- 1983-04-26 GB GB08311342A patent/GB2118998B/en not_active Expired
- 1983-04-26 NO NO831465A patent/NO831465L/en unknown
-
1986
- 1986-03-31 SG SG309/86A patent/SG30986G/en unknown
Also Published As
Publication number | Publication date |
---|---|
SG30986G (en) | 1987-03-27 |
CA1206870A (en) | 1986-07-02 |
GB2118998A (en) | 1983-11-09 |
NO831465L (en) | 1983-10-28 |
GB2118998B (en) | 1985-09-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB8500834D0 (en) | Valve | |
GB8311204D0 (en) | Valve | |
GB8320999D0 (en) | Valve | |
EP0180248A3 (en) | Valve arrangement | |
ZA837941B (en) | Valves | |
GB2118252B (en) | Valve actuator-covers | |
GB8331800D0 (en) | Valve | |
GB2120753B (en) | Valve | |
GB8311845D0 (en) | Valves | |
PL240606A1 (en) | Valve | |
GB8300243D0 (en) | Valve arrangement | |
GB2133507B (en) | Valve | |
GB8311342D0 (en) | Valve | |
GB2117490B (en) | Valves | |
GB8300627D0 (en) | Valve | |
GB2132318B (en) | Valve | |
GB2117497B (en) | Valve | |
GB2131124B (en) | Valves | |
GB2133501B (en) | Valve | |
GB2170578B (en) | Valve | |
GB2133503B (en) | Valve | |
GB2125148B (en) | Valve | |
GB2123531B (en) | Valves | |
GB8508911D0 (en) | Valve | |
GB2119064B (en) | Valve |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |