JPS52119401A - Swivel for casing pipe drilling - Google Patents

Swivel for casing pipe drilling

Info

Publication number
JPS52119401A
JPS52119401A JP3632676A JP3632676A JPS52119401A JP S52119401 A JPS52119401 A JP S52119401A JP 3632676 A JP3632676 A JP 3632676A JP 3632676 A JP3632676 A JP 3632676A JP S52119401 A JPS52119401 A JP S52119401A
Authority
JP
Japan
Prior art keywords
swivel
casing pipe
pipe drilling
drilling
casing
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
JP3632676A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5429401B2 (enExample
Inventor
Takeshi Shirane
Fumio Nakajima
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.)
Dowa Holdings Co Ltd
Original Assignee
Dowa Mining 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 Dowa Mining Co Ltd filed Critical Dowa Mining Co Ltd
Priority to JP3632676A priority Critical patent/JPS52119401A/ja
Publication of JPS52119401A publication Critical patent/JPS52119401A/ja
Publication of JPS5429401B2 publication Critical patent/JPS5429401B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP3632676A 1976-04-01 1976-04-01 Swivel for casing pipe drilling Granted JPS52119401A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3632676A JPS52119401A (en) 1976-04-01 1976-04-01 Swivel for casing pipe drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3632676A JPS52119401A (en) 1976-04-01 1976-04-01 Swivel for casing pipe drilling

Publications (2)

Publication Number Publication Date
JPS52119401A true JPS52119401A (en) 1977-10-06
JPS5429401B2 JPS5429401B2 (enExample) 1979-09-22

Family

ID=12466706

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3632676A Granted JPS52119401A (en) 1976-04-01 1976-04-01 Swivel for casing pipe drilling

Country Status (1)

Country Link
JP (1) JPS52119401A (enExample)

Also Published As

Publication number Publication date
JPS5429401B2 (enExample) 1979-09-22

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