BRPI0909481A2 - subsurface multiple spring safety valve - Google Patents

subsurface multiple spring safety valve

Info

Publication number
BRPI0909481A2
BRPI0909481A2 BRPI0909481A BRPI0909481A BRPI0909481A2 BR PI0909481 A2 BRPI0909481 A2 BR PI0909481A2 BR PI0909481 A BRPI0909481 A BR PI0909481A BR PI0909481 A BRPI0909481 A BR PI0909481A BR PI0909481 A2 BRPI0909481 A2 BR PI0909481A2
Authority
BR
Brazil
Prior art keywords
safety valve
multiple spring
spring safety
subsurface
subsurface multiple
Prior art date
Application number
BRPI0909481A
Other languages
Portuguese (pt)
Inventor
Allen P Carney
John E Burris
Troy L Smith
Original Assignee
Baker Hughes Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of BRPI0909481A2 publication Critical patent/BRPI0909481A2/en

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
    • E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
    • E21B34/101—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole with means for equalizing fluid pressure above and below the valve

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)
BRPI0909481A 2008-03-24 2009-03-19 subsurface multiple spring safety valve BRPI0909481A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/054,127 US20090236099A1 (en) 2008-03-24 2008-03-24 Multiple Spring Subsurface Safety Valve
PCT/US2009/037701 WO2009120581A2 (en) 2008-03-24 2009-03-19 Multiple spring subsurface safety valve

Publications (1)

Publication Number Publication Date
BRPI0909481A2 true BRPI0909481A2 (en) 2015-12-22

Family

ID=41087749

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0909481A BRPI0909481A2 (en) 2008-03-24 2009-03-19 subsurface multiple spring safety valve

Country Status (5)

Country Link
US (1) US20090236099A1 (en)
AU (1) AU2009228563A1 (en)
BR (1) BRPI0909481A2 (en)
NO (1) NO20101465L (en)
WO (1) WO2009120581A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8857785B2 (en) 2011-02-23 2014-10-14 Baker Hughes Incorporated Thermo-hydraulically actuated process control valve
CN107975354B (en) * 2017-11-23 2019-11-26 中国海洋石油集团有限公司 Pressure reversing arrangement
US11408252B2 (en) * 2020-08-26 2022-08-09 Baker Hughes Oilfield Operations Llc Surface controlled subsurface safety valve (SCSSV) system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3889751A (en) * 1974-02-01 1975-06-17 Exxon Production Research Co Subsurface safety valve
US4428557A (en) * 1979-09-13 1984-01-31 Otis Engineering Corporation Single line deep depth safety valve
US4372333A (en) * 1981-08-24 1983-02-08 Baker Cac, Inc. Valve actuating apparatus and method
US4524830A (en) * 1983-07-05 1985-06-25 Otis Engineering Corporation Landing nipple with subsurface safety valve
US4619320A (en) * 1984-03-02 1986-10-28 Memory Metals, Inc. Subsurface well safety valve and control system
US4664195A (en) * 1986-01-31 1987-05-12 Otis Engineering Corporation Safety valve
US4945993A (en) * 1988-05-06 1990-08-07 Otis Engineering Corporation Surface controlled subsurface safety valve
US6055213A (en) * 1990-07-09 2000-04-25 Baker Hughes Incorporated Subsurface well apparatus
NO932900L (en) * 1992-08-21 1994-02-22 Ava Int Corp Bridge safety valve
US5564675A (en) * 1994-10-19 1996-10-15 Camco International Inc. Subsurface safety valve of minimized length
US5897095A (en) * 1996-08-08 1999-04-27 Baker Hughes Incorporated Subsurface safety valve actuation pressure amplifier
US6050346A (en) * 1998-02-12 2000-04-18 Baker Hughes Incorporated High torque, low speed mud motor for use in drilling oil and gas wells
US6427778B1 (en) * 2000-05-18 2002-08-06 Baker Hughes Incorporated Control system for deep set subsurface valves

Also Published As

Publication number Publication date
AU2009228563A1 (en) 2009-10-01
WO2009120581A3 (en) 2010-01-07
WO2009120581A2 (en) 2009-10-01
US20090236099A1 (en) 2009-09-24
NO20101465L (en) 2010-11-08

Similar Documents

Publication Publication Date Title
BR112012009849A2 (en) composite leaf spring
BRPI0906706A2 (en) Valve assemblies
BRPI0911175A8 (en) valve assembly
BRPI0815333A2 (en) SPRING ASSEMBLY
BRPI0816091A2 (en) DISC SPRING ENTRY
BRPI0918369A2 (en) valve assembly
EP2287490A4 (en) Spring
BRPI0923350A2 (en) Air spring.
BRPI0908513A2 (en) valve
NL1036726A1 (en) Safety valve torsional spring assembly and method.
BRPI0921856A2 (en) relief valve
GB0715982D0 (en) Check valve
PL2290258T3 (en) Spring element
ZA201001922B (en) Check valve
GB0805921D0 (en) The radmoval valve V2
FI20075156A0 (en) Valve
BRPI0909481A2 (en) subsurface multiple spring safety valve
NO20085258L (en) The riser valve
EP2381124A4 (en) Spring
IT1394067B1 (en) VALVE
IT1396015B1 (en) VALVE FOR GASEOUS VEHICLES
FR2930617B1 (en) NON-RETURN VALVE
FR2924101B1 (en) IMPROVED VALVE
DE602008005004D1 (en) valve seat
UA19972S (en) SEAT

Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]