NO303240B1 - Ringrom-sikringsventil - Google Patents
Ringrom-sikringsventil Download PDFInfo
- Publication number
- NO303240B1 NO303240B1 NO913337A NO913337A NO303240B1 NO 303240 B1 NO303240 B1 NO 303240B1 NO 913337 A NO913337 A NO 913337A NO 913337 A NO913337 A NO 913337A NO 303240 B1 NO303240 B1 NO 303240B1
- Authority
- NO
- Norway
- Prior art keywords
- valve
- pressure
- head
- fluid
- seat
- Prior art date
Links
- 239000012530 fluid Substances 0.000 claims description 98
- 238000007789 sealing Methods 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 2
- 230000000977 initiatory effect Effects 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 description 14
- 238000012856 packing Methods 0.000 description 10
- 239000002184 metal Substances 0.000 description 7
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 239000012190 activator Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 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
- E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from 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)
- Safety Valves (AREA)
- Lift Valve (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/573,528 US5207275A (en) | 1990-08-27 | 1990-08-27 | Annulus safety valve |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO913337D0 NO913337D0 (no) | 1991-08-26 |
| NO913337L NO913337L (no) | 1992-02-28 |
| NO303240B1 true NO303240B1 (no) | 1998-06-15 |
Family
ID=24292352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO913337A NO303240B1 (no) | 1990-08-27 | 1991-08-26 | Ringrom-sikringsventil |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5207275A (da) |
| AU (1) | AU8279491A (da) |
| DK (1) | DK151291A (da) |
| FR (1) | FR2666116A1 (da) |
| GB (1) | GB2248256B (da) |
| NL (1) | NL9101447A (da) |
| NO (1) | NO303240B1 (da) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5285851A (en) * | 1992-08-12 | 1994-02-15 | Camco International Inc. | Coiled tubing safety valve and assembly |
| US5329999A (en) * | 1993-06-03 | 1994-07-19 | Halliburton Company | Annular safety system |
| US6435282B1 (en) | 2000-10-17 | 2002-08-20 | Halliburton Energy Services, Inc. | Annular flow safety valve and methods |
| AU2009283901B2 (en) * | 2008-08-19 | 2012-10-04 | Aker Solutions Inc. | Tubing hanger |
| US20100051289A1 (en) * | 2008-08-26 | 2010-03-04 | Baker Hughes Incorporated | System for Selective Incremental Closing of a Hydraulic Downhole Choking Valve |
| FR2970998B1 (fr) * | 2011-01-27 | 2013-12-20 | Weatherford Lamb | Vanne de securite souterraine incluant une injection d'additif securisee |
| US9388675B2 (en) | 2013-06-18 | 2016-07-12 | Baker Hughes Incorporated | Multi power launch system for pressure differential device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3186483A (en) * | 1957-08-05 | 1965-06-01 | Otis Eng Co | Method and means for treating wells |
| GB1559494A (en) * | 1976-03-19 | 1980-01-23 | Conoco Inc | Wellhead plugs |
| US4049052A (en) * | 1976-04-05 | 1977-09-20 | Otis Engineering Corporation | Subsurface annulus safety valve |
| US4273194A (en) * | 1980-02-11 | 1981-06-16 | Camco, Incorporated | Annular flow control safety valve |
| US4432417A (en) * | 1981-10-02 | 1984-02-21 | Baker International Corporation | Control pressure actuated downhole hanger apparatus |
| US4460040A (en) * | 1982-11-24 | 1984-07-17 | Baker Oil Tools, Inc. | Equalizing annulus valve |
| US4576235A (en) * | 1983-09-30 | 1986-03-18 | S & B Engineers | Downhole relief valve |
| US4538685A (en) * | 1983-10-07 | 1985-09-03 | Camco, Incorporated | Locking annulus safety valve |
| US4589482A (en) * | 1984-06-04 | 1986-05-20 | Otis Engineering Corporation | Well production system |
| DE3868634D1 (de) * | 1988-07-06 | 1992-04-02 | Cooper Ind Inc | Ringraumventil fuer einen konzentrischen steigrohrkopf. |
-
1990
- 1990-08-27 US US07/573,528 patent/US5207275A/en not_active Expired - Fee Related
-
1991
- 1991-08-26 NO NO913337A patent/NO303240B1/no unknown
- 1991-08-27 NL NL9101447A patent/NL9101447A/nl not_active Application Discontinuation
- 1991-08-27 DK DK151291A patent/DK151291A/da not_active Application Discontinuation
- 1991-08-27 GB GB9118326A patent/GB2248256B/en not_active Expired - Fee Related
- 1991-08-27 FR FR9110647A patent/FR2666116A1/fr active Pending
- 1991-08-27 AU AU82794/91A patent/AU8279491A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| FR2666116A1 (fr) | 1992-02-28 |
| US5207275A (en) | 1993-05-04 |
| GB2248256B (en) | 1994-09-28 |
| DK151291D0 (da) | 1991-08-27 |
| NO913337L (no) | 1992-02-28 |
| NL9101447A (nl) | 1992-03-16 |
| GB9118326D0 (en) | 1991-10-09 |
| DK151291A (da) | 1992-02-28 |
| GB2248256A (en) | 1992-04-01 |
| AU8279491A (en) | 1992-03-05 |
| NO913337D0 (no) | 1991-08-26 |
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