JPS51143501A - Method and device for preventing tube being left in drilling - Google Patents

Method and device for preventing tube being left in drilling

Info

Publication number
JPS51143501A
JPS51143501A JP6829075A JP6829075A JPS51143501A JP S51143501 A JPS51143501 A JP S51143501A JP 6829075 A JP6829075 A JP 6829075A JP 6829075 A JP6829075 A JP 6829075A JP S51143501 A JPS51143501 A JP S51143501A
Authority
JP
Japan
Prior art keywords
drilling
preventing tube
preventing
tube
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
JP6829075A
Other languages
English (en)
Japanese (ja)
Other versions
JPS538641B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Norio Satou
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.)
NIPPON BOORINGU KK
Original Assignee
NIPPON BOORINGU 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 NIPPON BOORINGU KK filed Critical NIPPON BOORINGU KK
Priority to JP6829075A priority Critical patent/JPS51143501A/ja
Publication of JPS51143501A publication Critical patent/JPS51143501A/ja
Publication of JPS538641B2 publication Critical patent/JPS538641B2/ja
Granted legal-status Critical Current

Links

JP6829075A 1975-06-05 1975-06-05 Method and device for preventing tube being left in drilling Granted JPS51143501A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6829075A JPS51143501A (en) 1975-06-05 1975-06-05 Method and device for preventing tube being left in drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6829075A JPS51143501A (en) 1975-06-05 1975-06-05 Method and device for preventing tube being left in drilling

Publications (2)

Publication Number Publication Date
JPS51143501A true JPS51143501A (en) 1976-12-09
JPS538641B2 JPS538641B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-03-30

Family

ID=13369480

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6829075A Granted JPS51143501A (en) 1975-06-05 1975-06-05 Method and device for preventing tube being left in drilling

Country Status (1)

Country Link
JP (1) JPS51143501A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6372180U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1986-10-29 1988-05-14

Also Published As

Publication number Publication date
JPS538641B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-03-30

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