CA311338A - Gyroscope de direction d'appareil d'essai des forages - Google Patents

Gyroscope de direction d'appareil d'essai des forages

Info

Publication number
CA311338A
CA311338A CA311338A CA311338DA CA311338A CA 311338 A CA311338 A CA 311338A CA 311338 A CA311338 A CA 311338A CA 311338D A CA311338D A CA 311338DA CA 311338 A CA311338 A CA 311338A
Authority
CA
Canada
Prior art keywords
testers
borehole
directional gyroscope
gyroscope
directional
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
CA311338A
Other languages
English (en)
Inventor
Ambrose Sperry. Elmer Jr.
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.)
Sperry Sun Well Surveying Co
Original Assignee
Sperry Sun Well Surveying Co
Publication date
Application granted granted Critical
Publication of CA311338A publication Critical patent/CA311338A/fr
Expired legal-status Critical Current

Links

CA311338A Gyroscope de direction d'appareil d'essai des forages Expired CA311338A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA311338T

Publications (1)

Publication Number Publication Date
CA311338A true CA311338A (fr) 1931-05-12

Family

ID=35270663

Family Applications (1)

Application Number Title Priority Date Filing Date
CA311338A Expired CA311338A (fr) Gyroscope de direction d'appareil d'essai des forages

Country Status (1)

Country Link
CA (1) CA311338A (fr)

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