JPH0319485B2 - - Google Patents

Info

Publication number
JPH0319485B2
JPH0319485B2 JP57223303A JP22330382A JPH0319485B2 JP H0319485 B2 JPH0319485 B2 JP H0319485B2 JP 57223303 A JP57223303 A JP 57223303A JP 22330382 A JP22330382 A JP 22330382A JP H0319485 B2 JPH0319485 B2 JP H0319485B2
Authority
JP
Japan
Prior art keywords
arm
hole
attached
point
axis
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 - Lifetime
Application number
JP57223303A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59112218A (ja
Inventor
Hiroyuki Iinuma
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.)
OYO CHISHITSU KK
Original Assignee
OYO CHISHITSU KK
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 OYO CHISHITSU KK filed Critical OYO CHISHITSU KK
Priority to JP57223303A priority Critical patent/JPS59112218A/ja
Publication of JPS59112218A publication Critical patent/JPS59112218A/ja
Publication of JPH0319485B2 publication Critical patent/JPH0319485B2/ja
Granted 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
    • E21B47/08—Measuring diameters or related dimensions at the borehole
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
    • E21B17/1021—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well with articulated arms or arcuate springs
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Mechanical Engineering (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
JP57223303A 1982-12-20 1982-12-20 孔壁測定方法及びそれに用いる測定装置 Granted JPS59112218A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57223303A JPS59112218A (ja) 1982-12-20 1982-12-20 孔壁測定方法及びそれに用いる測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57223303A JPS59112218A (ja) 1982-12-20 1982-12-20 孔壁測定方法及びそれに用いる測定装置

Publications (2)

Publication Number Publication Date
JPS59112218A JPS59112218A (ja) 1984-06-28
JPH0319485B2 true JPH0319485B2 (cs) 1991-03-15

Family

ID=16796028

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57223303A Granted JPS59112218A (ja) 1982-12-20 1982-12-20 孔壁測定方法及びそれに用いる測定装置

Country Status (1)

Country Link
JP (1) JPS59112218A (cs)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6175257A (ja) * 1984-09-19 1986-04-17 Tokyo Gas Co Ltd ガス供給用埋設管に於ける継目等の内面形状の検知方法
JP3855951B2 (ja) * 2002-05-17 2006-12-13 Ｊｆｅエンジニアリング株式会社 パイプラインの形状計測装置及び方法
FI121394B (fi) 2003-04-11 2010-10-29 Sandvik Mining & Constr Oy Poranreiän mittauslaite sekä kallionporausyksikkö
US7665221B2 (en) * 2006-05-25 2010-02-23 The Boeing Company Method and apparatus for hole diameter profile measurement
CN104833291B (zh) * 2014-11-12 2019-01-15 北京宝沃汽车有限公司 车辆最小离地间隙测量方法

Also Published As

Publication number Publication date
JPS59112218A (ja) 1984-06-28

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