GB2402421B - Method and apparatus for downhole fluid pressure signal generation and transmission - Google Patents

Method and apparatus for downhole fluid pressure signal generation and transmission

Info

Publication number
GB2402421B
GB2402421B GB0419669A GB0419669A GB2402421B GB 2402421 B GB2402421 B GB 2402421B GB 0419669 A GB0419669 A GB 0419669A GB 0419669 A GB0419669 A GB 0419669A GB 2402421 B GB2402421 B GB 2402421B
Authority
GB
United Kingdom
Prior art keywords
transmission
fluid pressure
signal generation
pressure signal
downhole fluid
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.)
Expired - Fee Related
Application number
GB0419669A
Other versions
GB0419669D0 (en
GB2402421A (en
Inventor
Joseph K Flowers
Michael L Smith
Jeffrey Beckel
Sarmad Adnan
Lawrence Leising
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schlumberger Technology Corp
Original Assignee
Schlumberger Technology Corp
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
Priority claimed from US09/843,634 external-priority patent/US6604582B2/en
Application filed by Schlumberger Technology Corp filed Critical Schlumberger Technology Corp
Publication of GB0419669D0 publication Critical patent/GB0419669D0/en
Publication of GB2402421A publication Critical patent/GB2402421A/en
Application granted granted Critical
Publication of GB2402421B publication Critical patent/GB2402421B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
    • E21B47/18—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry
    • E21B47/24—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry by positive mud pulses using a flow restricting valve within the drill pipe

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geophysics (AREA)
  • Acoustics & Sound (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Measuring Fluid Pressure (AREA)
  • Fluid-Pressure Circuits (AREA)
GB0419669A 2000-06-05 2001-05-09 Method and apparatus for downhole fluid pressure signal generation and transmission Expired - Fee Related GB2402421B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US20941800P 2000-06-05 2000-06-05
US09/843,634 US6604582B2 (en) 2000-06-05 2001-04-26 Downhole fluid pressure signal generation and transmission
GB0228117A GB2381028B (en) 2000-06-05 2001-05-09 Method and apparatus for downhole fluid pressure signal generation and transmission

Publications (3)

Publication Number Publication Date
GB0419669D0 GB0419669D0 (en) 2004-10-06
GB2402421A GB2402421A (en) 2004-12-08
GB2402421B true GB2402421B (en) 2005-02-09

Family

ID=33458149

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0419668A Expired - Fee Related GB2402420B (en) 2000-06-05 2001-05-09 Method and apparatus for downhole fluid pressure signal generation and transmission
GB0419669A Expired - Fee Related GB2402421B (en) 2000-06-05 2001-05-09 Method and apparatus for downhole fluid pressure signal generation and transmission

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0419668A Expired - Fee Related GB2402420B (en) 2000-06-05 2001-05-09 Method and apparatus for downhole fluid pressure signal generation and transmission

Country Status (1)

Country Link
GB (2) GB2402420B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7913772B2 (en) 2006-06-09 2011-03-29 Halliburton Energy Services, Inc. Drilling fluid flow diverter
US9879529B2 (en) * 2015-05-18 2018-01-30 Baker Hughes, A Ge Company, Llc Apparatus for generating pulses in fluid during drilling of wellbores

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3958217A (en) * 1974-05-10 1976-05-18 Teleco Inc. Pilot operated mud-pulse valve
US4519574A (en) * 1982-09-14 1985-05-28 Norton Christensen, Inc. Auxiliary controlled valve disposed in a drilling string
EP0747570A1 (en) * 1992-12-07 1996-12-11 Akishima Laboratories (Mitsui Zosen) Inc. Mid pulse valve for measurement-while-drilling system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3958217A (en) * 1974-05-10 1976-05-18 Teleco Inc. Pilot operated mud-pulse valve
US4519574A (en) * 1982-09-14 1985-05-28 Norton Christensen, Inc. Auxiliary controlled valve disposed in a drilling string
EP0747570A1 (en) * 1992-12-07 1996-12-11 Akishima Laboratories (Mitsui Zosen) Inc. Mid pulse valve for measurement-while-drilling system

Also Published As

Publication number Publication date
GB2402420B (en) 2005-02-09
GB0419669D0 (en) 2004-10-06
GB0419668D0 (en) 2004-10-06
GB2402421A (en) 2004-12-08
GB2402420A (en) 2004-12-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20150509