JPS56131880A - High airtight screw joint for oil well pipe - Google Patents

High airtight screw joint for oil well pipe

Info

Publication number
JPS56131880A
JPS56131880A JP3491880A JP3491880A JPS56131880A JP S56131880 A JPS56131880 A JP S56131880A JP 3491880 A JP3491880 A JP 3491880A JP 3491880 A JP3491880 A JP 3491880A JP S56131880 A JPS56131880 A JP S56131880A
Authority
JP
Japan
Prior art keywords
oil well
well pipe
screw joint
high airtight
airtight screw
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
JP3491880A
Other languages
Japanese (ja)
Inventor
Youichi Yazaki
Fujimasa Kamiyama
Kazushi Maruyama
Taketoshi Kawakami
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 Steel Corp
Original Assignee
Nippon Steel Corp
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 Steel Corp filed Critical Nippon Steel Corp
Priority to JP3491880A priority Critical patent/JPS56131880A/en
Publication of JPS56131880A publication Critical patent/JPS56131880A/en
Pending legal-status Critical Current

Links

JP3491880A 1980-03-19 1980-03-19 High airtight screw joint for oil well pipe Pending JPS56131880A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3491880A JPS56131880A (en) 1980-03-19 1980-03-19 High airtight screw joint for oil well pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3491880A JPS56131880A (en) 1980-03-19 1980-03-19 High airtight screw joint for oil well pipe

Publications (1)

Publication Number Publication Date
JPS56131880A true JPS56131880A (en) 1981-10-15

Family

ID=12427592

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3491880A Pending JPS56131880A (en) 1980-03-19 1980-03-19 High airtight screw joint for oil well pipe

Country Status (1)

Country Link
JP (1) JPS56131880A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013204743A (en) * 2012-03-29 2013-10-07 Hitachi Zosen Corp Pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013204743A (en) * 2012-03-29 2013-10-07 Hitachi Zosen Corp Pipe

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