EP2986806A4 - Wave spring flapper closure mechanism - Google Patents
Wave spring flapper closure mechanismInfo
- Publication number
- EP2986806A4 EP2986806A4 EP13891214.2A EP13891214A EP2986806A4 EP 2986806 A4 EP2986806 A4 EP 2986806A4 EP 13891214 A EP13891214 A EP 13891214A EP 2986806 A4 EP2986806 A4 EP 2986806A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- closure mechanism
- wave spring
- flapper closure
- spring flapper
- wave
- 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- Withdrawn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
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
-
- 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
-
- 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
- E21B34/14—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
-
- 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)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2013/053726 WO2015020634A1 (en) | 2013-08-06 | 2013-08-06 | Wave spring flapper closure mechanism |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2986806A1 EP2986806A1 (en) | 2016-02-24 |
EP2986806A4 true EP2986806A4 (en) | 2016-12-07 |
Family
ID=52461794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13891214.2A Withdrawn EP2986806A4 (en) | 2013-08-06 | 2013-08-06 | Wave spring flapper closure mechanism |
Country Status (3)
Country | Link |
---|---|
US (1) | US20160222757A1 (en) |
EP (1) | EP2986806A4 (en) |
WO (1) | WO2015020634A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2556742B (en) | 2015-09-15 | 2021-02-17 | Halliburton Energy Services Inc | Dual torsion springs flapper valve closure mechanism |
GB2545002B (en) * | 2015-12-03 | 2017-12-20 | Drilltools Ltd | A valve assembly |
WO2020242464A1 (en) | 2019-05-29 | 2020-12-03 | Halliburton Energy Services, Inc. | Flapper valve with beam spring |
WO2020242465A1 (en) | 2019-05-29 | 2020-12-03 | Halliburton Energy Services, Inc. | Variable torque flapper valve |
US20220081993A1 (en) * | 2020-09-16 | 2022-03-17 | Halliburton Energy Services, Inc. | Single-Trip Deployment And Isolation Using Flapper Valve |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5137090A (en) * | 1991-05-03 | 1992-08-11 | Ava International Corporation | Subsurface tubing safety valve |
US5310005A (en) * | 1991-04-26 | 1994-05-10 | Halliburton Company | Flapper valve assembly with floating hinge |
US5358053A (en) * | 1991-04-01 | 1994-10-25 | Ava International Corporation | Subsurface safety valve |
US6227299B1 (en) * | 1999-07-13 | 2001-05-08 | Halliburton Energy Services, Inc. | Flapper valve with biasing flapper closure assembly |
EP1847680A1 (en) * | 2006-04-21 | 2007-10-24 | Halliburton Energy Services, Inc. | Safety valve having mono spring closure mechanism |
US7600534B2 (en) * | 2002-03-25 | 2009-10-13 | Schlumberger Technology Corporation | Valve closing device |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4890674A (en) * | 1988-12-16 | 1990-01-02 | Otis Engineering Corporation | Flapper valve protection |
US5201371A (en) * | 1991-05-03 | 1993-04-13 | Allen Charles W | Back pressure flapper valve |
US7021386B2 (en) * | 2003-08-18 | 2006-04-04 | Halliburton Energy Services, Inc. | Safety valve having extension spring closure mechanism |
GB0608334D0 (en) * | 2006-04-27 | 2006-06-07 | Petrowell Ltd | Apparatus |
EP2535505B1 (en) * | 2007-04-04 | 2015-04-22 | Weatherford Technology Holdings, LLC | Downhole deployment valves |
US8002040B2 (en) * | 2008-04-23 | 2011-08-23 | Schlumberger Technology Corporation | System and method for controlling flow in a wellbore |
US8739881B2 (en) * | 2009-12-30 | 2014-06-03 | W. Lynn Frazier | Hydrostatic flapper stimulation valve and method |
US9309979B2 (en) * | 2010-04-28 | 2016-04-12 | Larry Rayner Russell | Self piloted check valve |
US8708051B2 (en) * | 2010-07-29 | 2014-04-29 | Weatherford/Lamb, Inc. | Isolation valve with debris control and flow tube protection |
US9010726B2 (en) * | 2011-11-07 | 2015-04-21 | Schlumberger Technology Corporation | Reduced length actuation system |
-
2013
- 2013-08-06 EP EP13891214.2A patent/EP2986806A4/en not_active Withdrawn
- 2013-08-06 US US14/412,226 patent/US20160222757A1/en not_active Abandoned
- 2013-08-06 WO PCT/US2013/053726 patent/WO2015020634A1/en active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5358053A (en) * | 1991-04-01 | 1994-10-25 | Ava International Corporation | Subsurface safety valve |
US5310005A (en) * | 1991-04-26 | 1994-05-10 | Halliburton Company | Flapper valve assembly with floating hinge |
US5137090A (en) * | 1991-05-03 | 1992-08-11 | Ava International Corporation | Subsurface tubing safety valve |
US6227299B1 (en) * | 1999-07-13 | 2001-05-08 | Halliburton Energy Services, Inc. | Flapper valve with biasing flapper closure assembly |
US7600534B2 (en) * | 2002-03-25 | 2009-10-13 | Schlumberger Technology Corporation | Valve closing device |
EP1847680A1 (en) * | 2006-04-21 | 2007-10-24 | Halliburton Energy Services, Inc. | Safety valve having mono spring closure mechanism |
Non-Patent Citations (1)
Title |
---|
See also references of WO2015020634A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20160222757A1 (en) | 2016-08-04 |
WO2015020634A1 (en) | 2015-02-12 |
EP2986806A1 (en) | 2016-02-24 |
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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 |
|
17P | Request for examination filed |
Effective date: 20151118 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAX | Request for extension of the european patent (deleted) | ||
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20161108 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: E21B 34/00 20060101ALI20161102BHEP Ipc: E21B 34/10 20060101ALI20161102BHEP Ipc: E21B 34/14 20060101ALI20161102BHEP Ipc: E21B 34/06 20060101AFI20161102BHEP |
|
18W | Application withdrawn |
Effective date: 20161114 |