GB2010397A - Hydraulic Actuator - Google Patents
Hydraulic ActuatorInfo
- Publication number
- GB2010397A GB2010397A GB7848280A GB7848280A GB2010397A GB 2010397 A GB2010397 A GB 2010397A GB 7848280 A GB7848280 A GB 7848280A GB 7848280 A GB7848280 A GB 7848280A GB 2010397 A GB2010397 A GB 2010397A
- Authority
- GB
- United Kingdom
- Prior art keywords
- piston
- shaft
- spring
- torque
- actuator
- 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
- 230000003068 static effect Effects 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/08—Introducing or running tools by fluid pressure, e.g. through-the-flow-line tool systems
- E21B23/12—Tool diverters
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)
- Actuator (AREA)
- Forging (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
A hydraulically operated actuator has a hydraulically driven piston 30 slidable in a chamber 31, the movement of the piston 30 being converted into rotary movement of a shaft 40 by an assembly 33, 43, 44, 50, 51 which limits the torque placed on the shaft by the piston in its drive stroke. The torque is limited since a non-rotatable axially movable member 43 with pins 51 riding in helical slots 50 in the rotary shaft is displaced by the piston 30 through the intermediary of a spring 44. A return spring 52 enables the piston 30 and drive spring 44 to return to their initial positions upon release of the hydraulic supply pressure applied to the piston through a port 85. A static seal 30a on the piston seals against an end wall 31a at the completion of the drive stroke of the piston. The actuator may be used to operate a subsea diverter to direct "pump down" or through flow line (TFL tools) through wye- branched flow passageways formed in a diverter body member located on a submerged well head. <IMAGE>
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US86106177A | 1977-12-15 | 1977-12-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB2010397A true GB2010397A (en) | 1979-06-27 |
| GB2010397B GB2010397B (en) | 1982-04-21 |
Family
ID=25334768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB7848280A Expired GB2010397B (en) | 1977-12-15 | 1978-12-13 | Hydraulic actuator |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5493776A (en) |
| AU (1) | AU526658B2 (en) |
| CA (1) | CA1131545A (en) |
| GB (1) | GB2010397B (en) |
| NO (1) | NO151945C (en) |
-
1978
- 1978-12-04 CA CA317,345A patent/CA1131545A/en not_active Expired
- 1978-12-13 GB GB7848280A patent/GB2010397B/en not_active Expired
- 1978-12-13 AU AU42463/78A patent/AU526658B2/en not_active Expired
- 1978-12-15 NO NO784227A patent/NO151945C/en unknown
- 1978-12-15 JP JP15567278A patent/JPS5493776A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB2010397B (en) | 1982-04-21 |
| NO784227L (en) | 1979-06-18 |
| AU526658B2 (en) | 1983-01-27 |
| JPS5493776A (en) | 1979-07-25 |
| NO151945B (en) | 1985-03-25 |
| CA1131545A (en) | 1982-09-14 |
| AU4246378A (en) | 1979-06-21 |
| JPS621070B2 (en) | 1987-01-10 |
| NO151945C (en) | 1985-07-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |