DE2743871A1 - Verfahren und einrichtung zum messen in einem bohrloch waehrend des bohrens - Google Patents

Verfahren und einrichtung zum messen in einem bohrloch waehrend des bohrens

Info

Publication number
DE2743871A1
DE2743871A1 DE19772743871 DE2743871A DE2743871A1 DE 2743871 A1 DE2743871 A1 DE 2743871A1 DE 19772743871 DE19772743871 DE 19772743871 DE 2743871 A DE2743871 A DE 2743871A DE 2743871 A1 DE2743871 A1 DE 2743871A1
Authority
DE
Germany
Prior art keywords
speed
signal
change
motor
generator
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Withdrawn
Application number
DE19772743871
Other languages
German (de)
English (en)
Inventor
James I Bernard
Gerald A Strom
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 US05/727,687 external-priority patent/US4103281A/en
Priority claimed from US05/727,686 external-priority patent/US4100528A/en
Application filed by Schlumberger Technology Corp filed Critical Schlumberger Technology Corp
Publication of DE2743871A1 publication Critical patent/DE2743871A1/de
Withdrawn legal-status Critical Current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
    • E21B47/20—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 modulation of mud waves, e.g. by continuous modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Control Of Electric Motors In General (AREA)
  • Earth Drilling (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Communication Cables (AREA)
DE19772743871 1976-09-29 1977-09-29 Verfahren und einrichtung zum messen in einem bohrloch waehrend des bohrens Withdrawn DE2743871A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US72768576A 1976-09-29 1976-09-29
US05/727,687 US4103281A (en) 1976-09-29 1976-09-29 Measuring-while-drilling system having motor speed detection during encoding
US05/727,686 US4100528A (en) 1976-09-29 1976-09-29 Measuring-while-drilling method and system having a digital motor control

Publications (1)

Publication Number Publication Date
DE2743871A1 true DE2743871A1 (de) 1978-03-30

Family

ID=27419101

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772743871 Withdrawn DE2743871A1 (de) 1976-09-29 1977-09-29 Verfahren und einrichtung zum messen in einem bohrloch waehrend des bohrens

Country Status (12)

Country Link
BR (1) BR7706432A (enExample)
DE (1) DE2743871A1 (enExample)
DK (1) DK432177A (enExample)
EG (1) EG13641A (enExample)
ES (2) ES462412A1 (enExample)
FR (1) FR2366586A1 (enExample)
GB (3) GB1592994A (enExample)
IE (1) IE45473B1 (enExample)
MX (1) MX143691A (enExample)
NL (1) NL7710508A (enExample)
NO (1) NO150059C (enExample)
OA (1) OA05771A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3035905A1 (de) * 1980-09-24 1982-07-22 Christensen, Inc., 84115 Salt Lake City, Utah Vorrichtung zur fernuebertragung von informationen aus einem bohrloch zur erdoberflaeche waehrend des betriebs eines bohrgeraetes

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5283768A (en) 1991-06-14 1994-02-01 Baker Hughes Incorporated Borehole liquid acoustic wave transducer
GB2261308B (en) * 1991-11-06 1996-02-28 Marconi Gec Ltd Data transmission
CN115977592B (zh) * 2023-03-01 2024-05-17 电子科技大学 一种应用于无线射孔系统中的速度-频率自适应时钟

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3035905A1 (de) * 1980-09-24 1982-07-22 Christensen, Inc., 84115 Salt Lake City, Utah Vorrichtung zur fernuebertragung von informationen aus einem bohrloch zur erdoberflaeche waehrend des betriebs eines bohrgeraetes

Also Published As

Publication number Publication date
GB1592993A (en) 1981-07-15
IE45473L (en) 1978-03-29
NO150059B (no) 1984-04-30
FR2366586A1 (fr) 1978-04-28
EG13641A (en) 1982-03-31
DK432177A (da) 1978-03-30
OA05771A (fr) 1981-05-31
NO150059C (no) 1984-08-08
GB1592995A (en) 1981-07-15
NO772988L (no) 1978-03-30
IE45473B1 (en) 1982-09-08
GB1592994A (en) 1981-07-15
FR2366586B1 (enExample) 1982-09-10
MX143691A (es) 1981-06-24
ES462412A1 (es) 1979-06-16
NL7710508A (nl) 1978-03-31
ES471490A1 (es) 1979-02-01
BR7706432A (pt) 1978-07-04

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8139 Disposal/non-payment of the annual fee