EP0038034A3 - Safety valve manifold system - Google Patents
Safety valve manifold system Download PDFInfo
- Publication number
- EP0038034A3 EP0038034A3 EP81102711A EP81102711A EP0038034A3 EP 0038034 A3 EP0038034 A3 EP 0038034A3 EP 81102711 A EP81102711 A EP 81102711A EP 81102711 A EP81102711 A EP 81102711A EP 0038034 A3 EP0038034 A3 EP 0038034A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- safety valve
- valve
- hydraulic
- line
- shut
- 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.)
- Withdrawn
Links
- 239000012530 fluid Substances 0.000 abstract 2
- LJIDRFNRDLYHNC-UHFFFAOYSA-N oleracein E Natural products C1CN2C(=O)CCC2C2=C1C=C(O)C(O)=C2 LJIDRFNRDLYHNC-UHFFFAOYSA-N 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/16—Control means therefor being outside the borehole
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)
- Fluid-Pressure Circuits (AREA)
Abstract
A hydraulic safety valve manifold system for provid
ing positive opening and closing of a surface-controlled,
sub-surface safety valve in a subsea well, including a
shut-off valve which prevents leakage of well fluids to the
outside environment if a leak should occur in the safety
valve or in hydraulic lines which are connected to the
hydraulic actuator of the safety valve. A hydraulic con
trol line is connected to the safety valve actuator through
a normally closed shut-off valve, and this line is also
connected to the actuator of the shut-off valve to hold
both the shut-off valve and the safety valve open when
the line is pressurized. The hydraulic line is also con
nected to an actuator of a variable volume accumulator
to empty the accumulator when the line is pressurized.
When pressure in the hydraulic line is relieved the shut-
off valve closes and the accumulator accepts fluid from
the hydraulic actuator of the safety valve to insure that
the safety valve closes.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13950280A | 1980-04-11 | 1980-04-11 | |
US139502 | 1987-12-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0038034A2 EP0038034A2 (en) | 1981-10-21 |
EP0038034A3 true EP0038034A3 (en) | 1981-11-04 |
Family
ID=22486976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP81102711A Withdrawn EP0038034A3 (en) | 1980-04-11 | 1981-04-09 | Safety valve manifold system |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0038034A3 (en) |
BR (1) | BR8102183A (en) |
CA (1) | CA1156139A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO994777A (en) * | 1999-09-30 | 2001-03-19 | Kongsberg Offshore As | Device by a subsea system for controlling a hydraulic actuator and a system with such a device |
US6427778B1 (en) * | 2000-05-18 | 2002-08-06 | Baker Hughes Incorporated | Control system for deep set subsurface valves |
WO2015163767A1 (en) * | 2014-04-25 | 2015-10-29 | Subsea Chokes International As | Actuator for use in subsea installations |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2998070A (en) * | 1958-11-17 | 1961-08-29 | Otis Eng Co | Tamper proof manifold |
US3142337A (en) * | 1960-10-24 | 1964-07-28 | Shell Oil Co | Hydraulic system for underwater wellheads |
US3763891A (en) * | 1972-01-13 | 1973-10-09 | M Stiltner | Control valve |
US3854695A (en) * | 1972-09-28 | 1974-12-17 | Vetco Offshore Ind Inc | Electromagnet control apparatus |
US4082147A (en) * | 1977-02-24 | 1978-04-04 | Hydril Company | Method and apparatus for a surface control system for: subsurface safety valves |
US4193449A (en) * | 1977-08-12 | 1980-03-18 | Fmc Corporation | Valve operating circuit |
FR2455230A1 (en) * | 1979-04-24 | 1980-11-21 | Fmc Corp | HYDRAULIC VALVE FOR USE WITH A PRESSURIZED HYDRAULIC FLUID SOURCE AND A SAFETY VALVE IN AN OIL WELL |
-
1981
- 1981-03-11 CA CA000372744A patent/CA1156139A/en not_active Expired
- 1981-04-09 EP EP81102711A patent/EP0038034A3/en not_active Withdrawn
- 1981-04-10 BR BR8102183A patent/BR8102183A/en unknown
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2998070A (en) * | 1958-11-17 | 1961-08-29 | Otis Eng Co | Tamper proof manifold |
US3142337A (en) * | 1960-10-24 | 1964-07-28 | Shell Oil Co | Hydraulic system for underwater wellheads |
US3763891A (en) * | 1972-01-13 | 1973-10-09 | M Stiltner | Control valve |
US3854695A (en) * | 1972-09-28 | 1974-12-17 | Vetco Offshore Ind Inc | Electromagnet control apparatus |
US4082147A (en) * | 1977-02-24 | 1978-04-04 | Hydril Company | Method and apparatus for a surface control system for: subsurface safety valves |
US4193449A (en) * | 1977-08-12 | 1980-03-18 | Fmc Corporation | Valve operating circuit |
FR2455230A1 (en) * | 1979-04-24 | 1980-11-21 | Fmc Corp | HYDRAULIC VALVE FOR USE WITH A PRESSURIZED HYDRAULIC FLUID SOURCE AND A SAFETY VALVE IN AN OIL WELL |
GB2047773A (en) * | 1979-04-24 | 1980-12-03 | Fmc Corp | A hydraulic valve for the control of well safety valves |
Also Published As
Publication number | Publication date |
---|---|
BR8102183A (en) | 1981-10-13 |
EP0038034A2 (en) | 1981-10-21 |
CA1156139A (en) | 1983-11-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Designated state(s): DE FR GB IT |
|
AK | Designated contracting states |
Designated state(s): DE FR GB IT |
|
17P | Request for examination filed |
Effective date: 19811024 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Withdrawal date: 19830309 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: TALAFUSE, LARRY JAMES |