JPS5530002A - Method of drilling frozen clay - Google Patents

Method of drilling frozen clay

Info

Publication number
JPS5530002A
JPS5530002A JP9998478A JP9998478A JPS5530002A JP S5530002 A JPS5530002 A JP S5530002A JP 9998478 A JP9998478 A JP 9998478A JP 9998478 A JP9998478 A JP 9998478A JP S5530002 A JPS5530002 A JP S5530002A
Authority
JP
Japan
Prior art keywords
frozen clay
drilling
drilling frozen
clay
frozen
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
JP9998478A
Other languages
Japanese (ja)
Inventor
Mitsuaki Komatsu
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.)
Komatsu Ltd
Original Assignee
Komatsu 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 Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP9998478A priority Critical patent/JPS5530002A/en
Publication of JPS5530002A publication Critical patent/JPS5530002A/en
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP9998478A 1978-08-18 1978-08-18 Method of drilling frozen clay Pending JPS5530002A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9998478A JPS5530002A (en) 1978-08-18 1978-08-18 Method of drilling frozen clay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9998478A JPS5530002A (en) 1978-08-18 1978-08-18 Method of drilling frozen clay

Publications (1)

Publication Number Publication Date
JPS5530002A true JPS5530002A (en) 1980-03-03

Family

ID=14261915

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9998478A Pending JPS5530002A (en) 1978-08-18 1978-08-18 Method of drilling frozen clay

Country Status (1)

Country Link
JP (1) JPS5530002A (en)

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