AU485190B2 - Drilling device with interchangeable core barrel and central portion - Google Patents

Drilling device with interchangeable core barrel and central portion

Info

Publication number: AU485190B2
Authority: AU; Australia
Prior art keywords: central portion; drilling device; core barrel; interchangeable core; interchangeable
Prior art date: 1973-04-17
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

AU68005/74A

Other versions

AU6800574A (en

Inventor

C. Cortes Abel

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.)

Total Compagnie Francaise des Petroles SA

Original Assignee

Compagnie Francaise des Petroles SA

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.)

1973-04-17

Filing date

1974-04-17

Publication date

1975-10-23

1973-04-17 Priority claimed from FR7313967A external-priority patent/FR2226544B1/fr

1974-04-17 Application filed by Compagnie Francaise des Petroles SA filed Critical Compagnie Francaise des Petroles SA

1975-10-23 Application granted granted Critical

1975-10-23 Publication of AU6800574A publication Critical patent/AU6800574A/en

1975-10-23 Publication of AU485190B2 publication Critical patent/AU485190B2/en

Status Expired legal-status Critical Current

Links

238000005553 drilling Methods 0.000 title 1

AU68005/74A 1973-04-17 1974-04-17 Drilling device with interchangeable core barrel and central portion Expired AU485190B2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR7313967A FR2226544B1 (en)	1973-04-17	1973-04-17
FRFR73-13967		1973-04-17

Publications (2)

Publication Number	Publication Date
AU6800574A AU6800574A (en)	1975-10-23
AU485190B2 true AU485190B2 (en)	1975-10-23

Family

ID=

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