AU468564B2 - Drilling system and method of pulling it up - Google Patents

Drilling system and method of pulling it up

Info

Publication number
AU468564B2
AU468564B2 AU61444/73A AU6144473A AU468564B2 AU 468564 B2 AU468564 B2 AU 468564B2 AU 61444/73 A AU61444/73 A AU 61444/73A AU 6144473 A AU6144473 A AU 6144473A AU 468564 B2 AU468564 B2 AU 468564B2
Authority
AU
Australia
Prior art keywords
pulling
drilling system
drilling
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.)
Expired
Application number
AU61444/73A
Other versions
AU6144473A (en
Inventor
TAKANO YASUSHI QKUYAMA RYOKUYA SUZUKI and DOUMA KINOSHITA SHU
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.)
Sumitomo Metal Mining Co Ltd
Original Assignee
Sumitomo Metal 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
Priority claimed from JP10273472A external-priority patent/JPS521681B2/ja
Priority claimed from JP13275272U external-priority patent/JPS5148562Y2/ja
Application filed by Sumitomo Metal Mining Co Ltd filed Critical Sumitomo Metal Mining Co Ltd
Publication of AU6144473A publication Critical patent/AU6144473A/en
Application granted granted Critical
Publication of AU468564B2 publication Critical patent/AU468564B2/en
Expired legal-status Critical Current

Links

AU61444/73A 1972-10-16 1973-10-16 Drilling system and method of pulling it up Expired AU468564B2 (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JPJP102734/4 1972-10-16
JP10273472A JPS521681B2 (en) 1972-10-16 1972-10-16
JP13275272U JPS5148562Y2 (en) 1972-11-20 1972-11-20
JPJP132752/4 1972-11-20
JPJP84594/48 1973-07-28
JPJP88520/48 1973-08-08
JPJP93640/48 1973-08-10
JPJP97233/48 1973-08-21

Publications (2)

Publication Number Publication Date
AU6144473A AU6144473A (en) 1975-04-17
AU468564B2 true AU468564B2 (en) 1976-01-15

Family

ID=26443410

Family Applications (1)

Application Number Title Priority Date Filing Date
AU61444/73A Expired AU468564B2 (en) 1972-10-16 1973-10-16 Drilling system and method of pulling it up

Country Status (1)

Country Link
AU (1) AU468564B2 (en)

Also Published As

Publication number Publication date
AU6144473A (en) 1975-04-17

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