JPH02143397U - - Google Patents

Info

Publication number
JPH02143397U
JPH02143397U JP5266489U JP5266489U JPH02143397U JP H02143397 U JPH02143397 U JP H02143397U JP 5266489 U JP5266489 U JP 5266489U JP 5266489 U JP5266489 U JP 5266489U JP H02143397 U JPH02143397 U JP H02143397U
Authority
JP
Japan
Prior art keywords
maintenance
fitting
inspection
wellhead
guide pin
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
JP5266489U
Other languages
English (en)
Japanese (ja)
Other versions
JPH077277Y2 (ja
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 filed Critical
Priority to JP5266489U priority Critical patent/JPH077277Y2/ja
Publication of JPH02143397U publication Critical patent/JPH02143397U/ja
Application granted granted Critical
Publication of JPH077277Y2 publication Critical patent/JPH077277Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Earth Drilling (AREA)
JP5266489U 1989-05-09 1989-05-09 水中保守点検装置の嵌脱装置 Expired - Lifetime JPH077277Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5266489U JPH077277Y2 (ja) 1989-05-09 1989-05-09 水中保守点検装置の嵌脱装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5266489U JPH077277Y2 (ja) 1989-05-09 1989-05-09 水中保守点検装置の嵌脱装置

Publications (2)

Publication Number Publication Date
JPH02143397U true JPH02143397U (enrdf_load_stackoverflow) 1990-12-05
JPH077277Y2 JPH077277Y2 (ja) 1995-02-22

Family

ID=31573157

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5266489U Expired - Lifetime JPH077277Y2 (ja) 1989-05-09 1989-05-09 水中保守点検装置の嵌脱装置

Country Status (1)

Country Link
JP (1) JPH077277Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH077277Y2 (ja) 1995-02-22

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