JPS61176790A - 削孔装置および削孔方向の修正方法 - Google Patents

削孔装置および削孔方向の修正方法

Info

Publication number
JPS61176790A
JPS61176790A JP1548985A JP1548985A JPS61176790A JP S61176790 A JPS61176790 A JP S61176790A JP 1548985 A JP1548985 A JP 1548985A JP 1548985 A JP1548985 A JP 1548985A JP S61176790 A JPS61176790 A JP S61176790A
Authority
JP
Japan
Prior art keywords
rod
drilling
hollow auger
hollow
auger
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.)
Granted
Application number
JP1548985A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0347396B2 (forum.php
Inventor
鷹巣　征行
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.)
Tokyu Construction Co Ltd
Original Assignee
Tokyu 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 Tokyu Construction Co Ltd filed Critical Tokyu Construction Co Ltd
Priority to JP1548985A priority Critical patent/JPS61176790A/ja
Publication of JPS61176790A publication Critical patent/JPS61176790A/ja
Publication of JPH0347396B2 publication Critical patent/JPH0347396B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP1548985A 1985-01-31 1985-01-31 削孔装置および削孔方向の修正方法 Granted JPS61176790A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1548985A JPS61176790A (ja) 1985-01-31 1985-01-31 削孔装置および削孔方向の修正方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1548985A JPS61176790A (ja) 1985-01-31 1985-01-31 削孔装置および削孔方向の修正方法

Publications (2)

Publication Number Publication Date
JPS61176790A true JPS61176790A (ja) 1986-08-08
JPH0347396B2 JPH0347396B2 (forum.php) 1991-07-19

Family

ID=11890207

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1548985A Granted JPS61176790A (ja) 1985-01-31 1985-01-31 削孔装置および削孔方向の修正方法

Country Status (1)

Country Link
JP (1) JPS61176790A (forum.php)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011523987A (ja) * 2007-12-19 2011-08-25 シュルンベルジェ ホールディングス リミテッド 指向性掘削システム

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS556148A (en) * 1978-06-28 1980-01-17 Babcock Hitachi Kk Heat shield construction of steamer for atomic reactor
JPS55148886A (en) * 1979-05-04 1980-11-19 Tokyu Kensetsu Kk Drill

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS556148A (en) * 1978-06-28 1980-01-17 Babcock Hitachi Kk Heat shield construction of steamer for atomic reactor
JPS55148886A (en) * 1979-05-04 1980-11-19 Tokyu Kensetsu Kk Drill

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011523987A (ja) * 2007-12-19 2011-08-25 シュルンベルジェ ホールディングス リミテッド 指向性掘削システム

Also Published As

Publication number Publication date
JPH0347396B2 (forum.php) 1991-07-19

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees