JPS5474461A - Device for measuring angle of drill string - Google Patents

Device for measuring angle of drill string

Info

Publication number
JPS5474461A
JPS5474461A JP12994978A JP12994978A JPS5474461A JP S5474461 A JPS5474461 A JP S5474461A JP 12994978 A JP12994978 A JP 12994978A JP 12994978 A JP12994978 A JP 12994978A JP S5474461 A JPS5474461 A JP S5474461A
Authority
JP
Japan
Prior art keywords
drill string
measuring angle
measuring
angle
drill
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.)
Pending
Application number
JP12994978A
Other languages
Japanese (ja)
Inventor
Rei Kerii Robaato
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.)
BJ Hughes Inc
Original Assignee
BJ Hughes Inc
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 BJ Hughes Inc filed Critical BJ Hughes Inc
Publication of JPS5474461A publication Critical patent/JPS5474461A/en
Pending 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
    • E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
    • E21B47/0236—Determining slope or direction of the borehole, e.g. using geomagnetism using a pendulum

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mining & Mineral Resources (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Earth Drilling (AREA)
  • Geophysics And Detection Of Objects (AREA)
JP12994978A 1977-10-21 1978-10-21 Device for measuring angle of drill string Pending JPS5474461A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84439877A 1977-10-21 1977-10-21

Publications (1)

Publication Number Publication Date
JPS5474461A true JPS5474461A (en) 1979-06-14

Family

ID=25292624

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12994978A Pending JPS5474461A (en) 1977-10-21 1978-10-21 Device for measuring angle of drill string

Country Status (8)

Country Link
JP (1) JPS5474461A (en)
AR (1) AR225602A1 (en)
CA (1) CA1127833A (en)
DE (1) DE2844765A1 (en)
FR (1) FR2406805A1 (en)
GB (1) GB2009929B (en)
IT (1) IT1106206B (en)
NL (1) NL7810501A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110242285A (en) * 2019-05-21 2019-09-17 自贡中兴耐磨新材料有限公司 A kind of mechanical inclination measurement system based on circulation of drilling fluid
CN114810039B (en) * 2022-05-12 2022-11-25 中国地质大学（北京） Mud pulse signal generating device and inclinometer
CN116448065B (en) * 2023-06-09 2023-08-25 山东钰镪地质资源勘查开发有限责任公司 Ground slope metering survey device for territorial space planning

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3176407A (en) * 1960-03-11 1965-04-06 Varney Eng Drift indicator
US3466755A (en) * 1967-03-22 1969-09-16 Byron Jackson Inc Mainspring force transfer means for signalling drift indicator

Also Published As

Publication number Publication date
FR2406805B1 (en) 1982-03-19
GB2009929B (en) 1982-05-06
IT7851588A0 (en) 1978-10-20
GB2009929A (en) 1979-06-20
NL7810501A (en) 1979-04-24
CA1127833A (en) 1982-07-20
FR2406805A1 (en) 1979-05-18
AR225602A1 (en) 1982-04-15
IT1106206B (en) 1985-11-11
DE2844765A1 (en) 1979-04-26

Similar Documents

Publication Publication Date Title
SE411139B (en) DRILLING DEVICE
GB2073282B (en) Drilling guidance device
JPS53131858A (en) Measuring apparatus of length
JPS51151154A (en) Remote measuring equipment for well boring
JPS5465101A (en) Well wall contacting apparatus for drill string
JPS5454667A (en) Device for measuring angle
JPS54106001A (en) Drilling apparatus
GB2009418B (en) Devices for measuring the azimuth and the slope of a drilling line
JPS5477124A (en) String instrument
JPS546512A (en) Pitch variation limiting device for string instrument
AU514958B2 (en) Borehole surveying apparatus
JPS5456473A (en) Device for measuring velocity
JPS5447673A (en) Device of measuring minute displacement
JPS5474461A (en) Device for measuring angle of drill string
GB2048747B (en) Drilling apparatus
JPS5417825A (en) Bridge structure for string instrument
GB8304508D0 (en) Measurement while drilling of boreholes
JPS51111401A (en) Device for drilling rock
GB8304510D0 (en) Measurement while drilling of boreholes
SU642353A1 (en) Device for measuring density of drilling muds
JPS56105136A (en) Extension device of string
JPS5415290A (en) Spudding device for dredger
JPS5447803A (en) Holding apparatus of drill tool of rock drill
JPS5444769A (en) Device for inspecting displacement of chipplike parts
GB8304509D0 (en) Measurement while drilling of boreholes