IT1274529B - Perfezionamenti a o riguardanti utensili per scavi di inbocco - Google Patents

Perfezionamenti a o riguardanti utensili per scavi di inbocco

Info

Publication number
IT1274529B
IT1274529B ITMI951017A ITMI951017A IT1274529B IT 1274529 B IT1274529 B IT 1274529B IT MI951017 A ITMI951017 A IT MI951017A IT MI951017 A ITMI951017 A IT MI951017A IT 1274529 B IT1274529 B IT 1274529B
Authority
IT
Italy
Prior art keywords
excavations
inlet
regarding tools
tools
regarding
Prior art date
Application number
ITMI951017A
Other languages
English (en)
Inventor
George Maitland
Original Assignee
Petroleum Eng Services
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 Petroleum Eng Services filed Critical Petroleum Eng Services
Publication of ITMI951017A0 publication Critical patent/ITMI951017A0/it
Publication of ITMI951017A1 publication Critical patent/ITMI951017A1/it
Application granted granted Critical
Publication of IT1274529B publication Critical patent/IT1274529B/it

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
    • E21B34/108—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole with time delay systems, e.g. hydraulic impedance mechanisms
    • 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
    • E21B34/102—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole with means for locking the closing element in open or closed position
    • 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
    • E21B2200/06—Sleeve valves

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Coating Apparatus (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Drilling And Boring (AREA)
  • Earth Drilling (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
ITMI951017A 1994-05-19 1995-05-19 Perfezionamenti a o riguardanti utensili per scavi di inbocco IT1274529B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9410012A GB9410012D0 (en) 1994-05-19 1994-05-19 Equalising sub

Publications (3)

Publication Number Publication Date
ITMI951017A0 ITMI951017A0 (it) 1995-05-19
ITMI951017A1 ITMI951017A1 (it) 1996-11-19
IT1274529B true IT1274529B (it) 1997-07-17

Family

ID=10755378

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI951017A IT1274529B (it) 1994-05-19 1995-05-19 Perfezionamenti a o riguardanti utensili per scavi di inbocco

Country Status (4)

Country Link
US (1) US5664629A (it)
GB (2) GB9410012D0 (it)
IT (1) IT1274529B (it)
NO (1) NO310841B1 (it)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5810087A (en) * 1996-01-24 1998-09-22 Schlumberger Technology Corporation Formation isolation valve adapted for building a tool string of any desired length prior to lowering the tool string downhole for performing a wellbore operation
US5842521A (en) * 1997-01-29 1998-12-01 Baker Hughes Incorporated Downhole pressure relief valve for well pump
US6230807B1 (en) 1997-03-19 2001-05-15 Schlumberger Technology Corp. Valve operating mechanism
US6039118A (en) * 1997-05-01 2000-03-21 Weatherford/Lamb, Inc. Wellbore tool movement control and method of controlling a wellbore tool
US6070670A (en) * 1997-05-01 2000-06-06 Weatherford/Lamb, Inc. Movement control system for wellbore apparatus and method of controlling a wellbore tool
GB9710746D0 (en) * 1997-05-27 1997-07-16 Petroleum Eng Services Downhole pressure activated device
US6779030B1 (en) * 1997-10-06 2004-08-17 Worldcom, Inc. Intelligent network
US6041864A (en) * 1997-12-12 2000-03-28 Schlumberger Technology Corporation Well isolation system
US6227298B1 (en) * 1997-12-15 2001-05-08 Schlumberger Technology Corp. Well isolation system
US6024173A (en) * 1998-03-03 2000-02-15 Schlumberger Technology Corporation Inflatable shifting tool
US6244351B1 (en) 1999-01-11 2001-06-12 Schlumberger Technology Corporation Pressure-controlled actuating mechanism
US6834726B2 (en) * 2002-05-29 2004-12-28 Weatherford/Lamb, Inc. Method and apparatus to reduce downhole surge pressure using hydrostatic valve
NO20051733D0 (no) * 2005-04-08 2005-04-08 Well Innovation As Fremgangsmate for bruk av en hydraulisk belastningskompensert tidsforsinkelse
CA2604029A1 (en) * 2005-04-08 2006-10-12 Well Innovation As Method and means for providing time delay in downhole well operations
US7422065B1 (en) * 2007-04-30 2008-09-09 Petroquip Energy Services, Llp System for controlling zones of fluid in and out of a wellbore
US7793733B2 (en) * 2008-08-28 2010-09-14 Baker Hughes Incorporated Valve trigger for downhole tools
CA2810423C (en) 2010-09-22 2019-10-08 Packers Plus Energy Services Inc. Delayed opening wellbore tubular port closure
US8171998B1 (en) 2011-01-14 2012-05-08 Petroquip Energy Services, Llp System for controlling hydrocarbon bearing zones using a selectively openable and closable downhole tool
US9068411B2 (en) 2012-05-25 2015-06-30 Baker Hughes Incorporated Thermal release mechanism for downhole tools
US10066461B2 (en) 2013-03-07 2018-09-04 Geodynamics, Inc. Hydraulic delay toe valve system and method
US9650866B2 (en) 2013-03-07 2017-05-16 Geodynamics, Inc. Hydraulic delay toe valve system and method
US10138709B2 (en) 2013-03-07 2018-11-27 Geodynamics, Inc. Hydraulic delay toe valve system and method
US10138725B2 (en) 2013-03-07 2018-11-27 Geodynamics, Inc. Hydraulic delay toe valve system and method
CN104453810B (zh) * 2014-12-17 2017-02-01 中科金佳（北京）油田技术开发有限公司 智能注水装置
CA2939576A1 (en) * 2015-08-31 2017-02-28 Geodynamics, Inc. Hydraulic delay toe valve system and method
US10927635B2 (en) * 2017-10-10 2021-02-23 Baker Hughes, A Ge Company, Llc Pump down isolation plug

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3794112A (en) * 1972-10-02 1974-02-26 Exxon Production Research Co Surface controlled subsurface safety valve
US4083409A (en) * 1977-05-02 1978-04-11 Halliburton Company Full flow bypass valve
US4258793A (en) * 1979-05-16 1981-03-31 Halliburton Company Oil well testing string bypass valve
US4448254A (en) * 1982-03-04 1984-05-15 Halliburton Company Tester valve with silicone liquid spring
US4458762A (en) * 1982-04-21 1984-07-10 Halliburton Company Recloseable auxiliary valve
US4617999A (en) * 1984-11-28 1986-10-21 Halliburton Company Downhole tool with compression chamber
US4646838A (en) * 1985-12-12 1987-03-03 Halliburton Company Low pressure responsive tester valve with spring retaining means
US4691779A (en) * 1986-01-17 1987-09-08 Halliburton Company Hydrostatic referenced safety-circulating valve
US4770246A (en) * 1986-08-11 1988-09-13 Dresser Industries, Inc. Method and apparatus for firing borehole perforating apparatus
US5050681A (en) * 1990-07-10 1991-09-24 Halliburton Company Hydraulic system for electronically controlled pressure activated downhole testing tool
US5058673A (en) * 1990-08-28 1991-10-22 Schlumberger Technology Corporation Hydraulically set packer useful with independently set straddle packers including an inflate/deflate valve and a hydraulic ratchet associated with the straddle packers
US5103906A (en) * 1990-10-24 1992-04-14 Halliburton Company Hydraulic timer for downhole tool
US5180007A (en) * 1991-10-21 1993-01-19 Halliburton Company Low pressure responsive downhold tool with hydraulic lockout
US5209303A (en) * 1991-11-20 1993-05-11 Halliburton Company Compressible liquid mechanism for downhole tool
US5558162A (en) * 1994-05-05 1996-09-24 Halliburton Company Mechanical lockout for pressure responsive downhole tool

Also Published As

Publication number Publication date
ITMI951017A1 (it) 1996-11-19
ITMI951017A0 (it) 1995-05-19
GB9510189D0 (en) 1995-07-12
NO310841B1 (no) 2001-09-03
NO951983D0 (no) 1995-05-19
GB2289488B (en) 1998-02-18
US5664629A (en) 1997-09-09
GB9410012D0 (en) 1994-07-06
NO951983L (no) 1995-11-20
GB2289488A (en) 1995-11-22

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Legal Events

Date Code Title Description
0001 Granted