FR1247004A - Monitoring device in particular for boreholes - Google Patents

Monitoring device in particular for boreholes

Info

Publication number
FR1247004A
FR1247004A FR813196A FR813196A FR1247004A FR 1247004 A FR1247004 A FR 1247004A FR 813196 A FR813196 A FR 813196A FR 813196 A FR813196 A FR 813196A FR 1247004 A FR1247004 A FR 1247004A
Authority
FR
France
Prior art keywords
boreholes
monitoring device
monitoring
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
FR813196A
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries Ltd
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 GB40455/59A external-priority patent/GB934043A/en
Application filed by EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Application granted granted Critical
Publication of FR1247004A publication Critical patent/FR1247004A/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
    • E21B47/02—Determining slope or direction
    • E21B47/026—Determining slope or direction of penetrated ground layers

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
FR813196A 1958-12-16 1959-12-16 Monitoring device in particular for boreholes Expired FR1247004A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4045558 1958-12-16
GB40455/59A GB934043A (en) 1958-11-27 1959-12-11 New benzimidazoles

Publications (1)

Publication Number Publication Date
FR1247004A true FR1247004A (en) 1960-11-25

Family

ID=26264407

Family Applications (1)

Application Number Title Priority Date Filing Date
FR813196A Expired FR1247004A (en) 1958-12-16 1959-12-16 Monitoring device in particular for boreholes

Country Status (1)

Country Link
FR (1) FR1247004A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2756219A1 (en) * 1977-12-16 1979-06-21 Michael King Russell Borehole direction measuring device - having single-degree-of-freedom gyro and gravity sensors to give inclination and azimuth

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2756219A1 (en) * 1977-12-16 1979-06-21 Michael King Russell Borehole direction measuring device - having single-degree-of-freedom gyro and gravity sensors to give inclination and azimuth

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