ATE66750T1 - DEVICE THAT PARTICULARLY ALLOWS THE USE OF A SMALL RADIUS DRILLING DEVICE IN LARGE RADIUS DRILLING HOLES. - Google Patents

DEVICE THAT PARTICULARLY ALLOWS THE USE OF A SMALL RADIUS DRILLING DEVICE IN LARGE RADIUS DRILLING HOLES.

Info

Publication number
ATE66750T1
ATE66750T1 AT88400433T AT88400433T ATE66750T1 AT E66750 T1 ATE66750 T1 AT E66750T1 AT 88400433 T AT88400433 T AT 88400433T AT 88400433 T AT88400433 T AT 88400433T AT E66750 T1 ATE66750 T1 AT E66750T1
Authority
AT
Austria
Prior art keywords
radius drilling
particularly allows
small radius
large radius
drilling holes
Prior art date
Application number
AT88400433T
Other languages
German (de)
Inventor
Christian Wittrisch
Original Assignee
Inst Francais Du Petrole
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 FR8702757A external-priority patent/FR2611918B1/en
Application filed by Inst Francais Du Petrole filed Critical Inst Francais Du Petrole
Priority claimed from EP19880400433 external-priority patent/EP0281469B1/en
Application granted granted Critical
Publication of ATE66750T1 publication Critical patent/ATE66750T1/en

Links

AT88400433T 1987-02-27 1988-02-25 DEVICE THAT PARTICULARLY ALLOWS THE USE OF A SMALL RADIUS DRILLING DEVICE IN LARGE RADIUS DRILLING HOLES. ATE66750T1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR8702757A FR2611918B1 (en) 1987-02-27 1987-02-27 METHOD AND DEVICE FOR USING A LOW DIAMETER PROBE IN LARGE DIAMETER WELLS
US07/069,174 US4929915A (en) 1987-02-27 1987-07-02 Protective device for enlarging the effective diameter of a probe in large diameter wells
EP19880400433 EP0281469B1 (en) 1987-02-27 1988-02-25 Device particularly suited for the use of a small-diameter borehole probe in large-diameter boreholes

Publications (1)

Publication Number Publication Date
ATE66750T1 true ATE66750T1 (en) 1991-09-15

Family

ID=27231766

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88400433T ATE66750T1 (en) 1987-02-27 1988-02-25 DEVICE THAT PARTICULARLY ALLOWS THE USE OF A SMALL RADIUS DRILLING DEVICE IN LARGE RADIUS DRILLING HOLES.

Country Status (1)

Country Link
AT (1) ATE66750T1 (en)

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