JPH0468439B2 - - Google Patents

Info

Publication number
JPH0468439B2
JPH0468439B2 JP60027499A JP2749985A JPH0468439B2 JP H0468439 B2 JPH0468439 B2 JP H0468439B2 JP 60027499 A JP60027499 A JP 60027499A JP 2749985 A JP2749985 A JP 2749985A JP H0468439 B2 JPH0468439 B2 JP H0468439B2
Authority
JP
Japan
Prior art keywords
borehole
cable
depth
sound wave
signal
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
JP60027499A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61186694A (ja
Inventor
Junosuke Iizuka
Taku Ishii
Hitoshi Sakurai
Koji Osada
Yoshihiro Takegawa
Yoshitaka Matsumoto
Osamu Murakami
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.)
Koa Corp
Shimizu Construction Co Ltd
Original Assignee
Koa Corp
Shimizu Construction Co 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
Application filed by Koa Corp, Shimizu Construction Co Ltd filed Critical Koa Corp
Priority to JP60027499A priority Critical patent/JPS61186694A/ja
Publication of JPS61186694A publication Critical patent/JPS61186694A/ja
Publication of JPH0468439B2 publication Critical patent/JPH0468439B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
JP60027499A 1985-02-14 1985-02-14 ボアホ−ルの深度測定法 Granted JPS61186694A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60027499A JPS61186694A (ja) 1985-02-14 1985-02-14 ボアホ−ルの深度測定法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60027499A JPS61186694A (ja) 1985-02-14 1985-02-14 ボアホ−ルの深度測定法

Publications (2)

Publication Number Publication Date
JPS61186694A JPS61186694A (ja) 1986-08-20
JPH0468439B2 true JPH0468439B2 (enrdf_load_stackoverflow) 1992-11-02

Family

ID=12222833

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60027499A Granted JPS61186694A (ja) 1985-02-14 1985-02-14 ボアホ−ルの深度測定法

Country Status (1)

Country Link
JP (1) JPS61186694A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8009510B2 (en) * 2008-10-23 2011-08-30 Schlumberger Technology Corporation Two way check shot and reverse VSP while drilling
CN104048635B (zh) * 2014-06-16 2017-04-26 上海中联重科桩工机械有限公司 累计孔深测量系统、测量方法及具有该系统的工程机械

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6059295A (ja) * 1983-09-07 1985-04-05 新日本製鐵株式会社 坑井内水位測定方法

Also Published As

Publication number Publication date
JPS61186694A (ja) 1986-08-20

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