FR2416339A1 - Downhole measurements transmitted to surface - by converting transducer signals into digital drilling fluid pressure pulses - Google Patents

Downhole measurements transmitted to surface - by converting transducer signals into digital drilling fluid pressure pulses

Info

Publication number
FR2416339A1
FR2416339A1 FR7803246A FR7803246A FR2416339A1 FR 2416339 A1 FR2416339 A1 FR 2416339A1 FR 7803246 A FR7803246 A FR 7803246A FR 7803246 A FR7803246 A FR 7803246A FR 2416339 A1 FR2416339 A1 FR 2416339A1
Authority
FR
France
Prior art keywords
drilling fluid
fluid pressure
pressure pulses
transducer signals
downhole measurements
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.)
Pending
Application number
FR7803246A
Other languages
French (fr)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7803246A priority Critical patent/FR2416339A1/en
Publication of FR2416339A1 publication Critical patent/FR2416339A1/en
Pending 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
    • 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
    • E21B47/22—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 negative mud pulses using a pressure relieve valve between drill pipe and annulus

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)
  • Flow Control (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

Appts. transmits information from down a bore-hole to the surface by producing pressure fluctuations in the drilling fluid. The appts. includes a transducer producing a voltage signal as a measure of some physical variable, e.g. temp., a system within a cavity to convert the signal into digital signal which is amplified and used to effect switching of a valve which allows drilling fluid to discharge from the conduit into the bore-hole annulus. This will produce a pressure drop at the outlet of the pump, and this digital variation is detected and converted back to analog.
FR7803246A 1978-02-06 1978-02-06 Downhole measurements transmitted to surface - by converting transducer signals into digital drilling fluid pressure pulses Pending FR2416339A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7803246A FR2416339A1 (en) 1978-02-06 1978-02-06 Downhole measurements transmitted to surface - by converting transducer signals into digital drilling fluid pressure pulses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7803246A FR2416339A1 (en) 1978-02-06 1978-02-06 Downhole measurements transmitted to surface - by converting transducer signals into digital drilling fluid pressure pulses

Publications (1)

Publication Number Publication Date
FR2416339A1 true FR2416339A1 (en) 1979-08-31

Family

ID=9204237

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7803246A Pending FR2416339A1 (en) 1978-02-06 1978-02-06 Downhole measurements transmitted to surface - by converting transducer signals into digital drilling fluid pressure pulses

Country Status (1)

Country Link
FR (1) FR2416339A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2487908A1 (en) * 1980-07-30 1982-02-05 Christensen Inc METHOD AND DEVICE FOR TELETRANSMISSION OF DATA FROM A BOREHOLE
FR2503243A1 (en) * 1981-04-04 1982-10-08 Christensen Inc SYSTEM FOR TELETRANSMISSION OF INFORMATION FROM A BOREHOLE TO THE SURFACE OF THE GROUND

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3302457A (en) * 1964-06-02 1967-02-07 Sun Oil Co Method and apparatus for telemetering in a bore hole by changing drilling mud pressure
US3407886A (en) * 1965-09-23 1968-10-29 Sun Oil Co Apparatus for wellbore telemetering
US3964556A (en) * 1974-07-10 1976-06-22 Gearhart-Owen Industries, Inc. Downhole signaling system
US3983948A (en) * 1974-07-01 1976-10-05 Texas Dynamatics, Inc. Method and apparatus for indicating the orientation of a down hole drilling assembly
US4015234A (en) * 1974-04-03 1977-03-29 Erich Krebs Apparatus for measuring and for wireless transmission of measured values from a bore hole transmitter to a receiver aboveground
FR2410726A1 (en) * 1977-12-05 1979-06-29 Scherbatskoy Serge Alexander DIAGRAPHY PROCESS AND DEVICE DURING DRILLING

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3302457A (en) * 1964-06-02 1967-02-07 Sun Oil Co Method and apparatus for telemetering in a bore hole by changing drilling mud pressure
US3407886A (en) * 1965-09-23 1968-10-29 Sun Oil Co Apparatus for wellbore telemetering
US4015234A (en) * 1974-04-03 1977-03-29 Erich Krebs Apparatus for measuring and for wireless transmission of measured values from a bore hole transmitter to a receiver aboveground
US3983948A (en) * 1974-07-01 1976-10-05 Texas Dynamatics, Inc. Method and apparatus for indicating the orientation of a down hole drilling assembly
US3964556A (en) * 1974-07-10 1976-06-22 Gearhart-Owen Industries, Inc. Downhole signaling system
FR2410726A1 (en) * 1977-12-05 1979-06-29 Scherbatskoy Serge Alexander DIAGRAPHY PROCESS AND DEVICE DURING DRILLING

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2487908A1 (en) * 1980-07-30 1982-02-05 Christensen Inc METHOD AND DEVICE FOR TELETRANSMISSION OF DATA FROM A BOREHOLE
FR2503243A1 (en) * 1981-04-04 1982-10-08 Christensen Inc SYSTEM FOR TELETRANSMISSION OF INFORMATION FROM A BOREHOLE TO THE SURFACE OF THE GROUND

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Legal Events

Date Code Title Description
TP Transmission of property