CA1145323A - Systemes, instruments et methodes de metrologie en cours de forage - Google Patents

Systemes, instruments et methodes de metrologie en cours de forage

Info

Publication number
CA1145323A
CA1145323A CA000401517A CA401517A CA1145323A CA 1145323 A CA1145323 A CA 1145323A CA 000401517 A CA000401517 A CA 000401517A CA 401517 A CA401517 A CA 401517A CA 1145323 A CA1145323 A CA 1145323A
Authority
CA
Canada
Prior art keywords
mud
valve
pressure
pulses
downhole
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
CA000401517A
Other languages
English (en)
Inventor
Serge A. Scherbatskoy
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 CA000401517A priority Critical patent/CA1145323A/fr
Application granted granted Critical
Publication of CA1145323A publication Critical patent/CA1145323A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
CA000401517A 1977-12-05 1982-04-22 Systemes, instruments et methodes de metrologie en cours de forage Expired CA1145323A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000401517A CA1145323A (fr) 1977-12-05 1982-04-22 Systemes, instruments et methodes de metrologie en cours de forage

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US85767777A 1977-12-05 1977-12-05
CA000401517A CA1145323A (fr) 1977-12-05 1982-04-22 Systemes, instruments et methodes de metrologie en cours de forage
US857,677 1986-04-30

Publications (1)

Publication Number Publication Date
CA1145323A true CA1145323A (fr) 1983-04-26

Family

ID=25669663

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000401517A Expired CA1145323A (fr) 1977-12-05 1982-04-22 Systemes, instruments et methodes de metrologie en cours de forage

Country Status (1)

Country Link
CA (1) CA1145323A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry