GB1592994A - Motor control method and apparatus for measuring-while-drilling - Google Patents

Motor control method and apparatus for measuring-while-drilling Download PDF

Info

Publication number
GB1592994A
GB1592994A GB6469/80A GB646980A GB1592994A GB 1592994 A GB1592994 A GB 1592994A GB 6469/80 A GB6469/80 A GB 6469/80A GB 646980 A GB646980 A GB 646980A GB 1592994 A GB1592994 A GB 1592994A
Authority
GB
United Kingdom
Prior art keywords
signal
speed
motor
phase change
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.)
Expired
Application number
GB6469/80A
Other languages
English (en)
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 GB1592994A publication Critical patent/GB1592994A/en
Expired 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)
GB6469/80A 1976-09-29 1977-09-27 Motor control method and apparatus for measuring-while-drilling Expired GB1592994A (en)

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
GB1592994A true GB1592994A (en) 1981-07-15

Family

ID=27419101

Family Applications (3)

Application Number Title Priority Date Filing Date
GB6469/80A Expired GB1592994A (en) 1976-09-29 1977-09-27 Motor control method and apparatus for measuring-while-drilling
GB6491/80A Expired GB1592995A (en) 1976-09-29 1977-09-27 Motor control method and apparatus for measuring-while-drilling
GB40117/77A Expired GB1592993A (en) 1976-09-29 1977-09-27 Digital motor control method and apparatus for measuring-while-drilling

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB6491/80A Expired GB1592995A (en) 1976-09-29 1977-09-27 Motor control method and apparatus for measuring-while-drilling
GB40117/77A Expired GB1592993A (en) 1976-09-29 1977-09-27 Digital motor control method and apparatus for measuring-while-drilling

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
CN115977592A (zh) * 2023-03-01 2023-04-18 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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3035905C2 (de) * 1980-09-24 1982-12-30 Christensen, Inc., 84115 Salt Lake City, Utah Vorrichtung zur Fernübertragung von Informationen aus einem Bohrloch zur Erdoberfläche während des Betriebs eines Bohrgeräts
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115977592A (zh) * 2023-03-01 2023-04-18 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
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

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
FR2366586B1 (enExample) 1982-09-10
MX143691A (es) 1981-06-24
ES462412A1 (es) 1979-06-16
NL7710508A (nl) 1978-03-31
DE2743871A1 (de) 1978-03-30
ES471490A1 (es) 1979-02-01
BR7706432A (pt) 1978-07-04

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee