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AU450597B2 - Drill string joint breaking means - Google Patents
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AU450597B2 - Drill string joint breaking means - Google Patents

Drill string joint breaking means

Info

Publication number
AU450597B2
AU450597B2 AU29796/71A AU2979671A AU450597B2 AU 450597 B2 AU450597 B2 AU 450597B2 AU 29796/71 A AU29796/71 A AU 29796/71A AU 2979671 A AU2979671 A AU 2979671A AU 450597 B2 AU450597 B2 AU 450597B2
Authority
AU
Australia
Prior art keywords
drill string
breaking means
string joint
joint breaking
drill
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
AU29796/71A
Other versions
AU2979671A (en
Inventor
Gunnar Jonsson Nils
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.)
Craelius AB
Original Assignee
Craelius AB
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 Craelius AB filed Critical Craelius AB
Application granted granted Critical
Publication of AU2979671A publication Critical patent/AU2979671A/en
Publication of AU450597B2 publication Critical patent/AU450597B2/en
Expired legal-status Critical Current

Links

AU29796/71A 1970-06-15 1971-06-08 Drill string joint breaking means Expired AU450597B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SESE8254/70 1970-06-15

Publications (2)

Publication Number Publication Date
AU2979671A AU2979671A (en) 1972-12-14
AU450597B2 true AU450597B2 (en) 1972-12-14

Family

ID=

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