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Patent Searching and Data


Title:
SYSTEM FOR ROTARY DRILLING BY ELECTRICAL DISCHARGE
Document Type and Number:
WIPO Patent Application WO/2015/124733
Kind Code:
A3
Abstract:
The invention relates to a downhole device for rotary drilling, including a power generator (5) installed at the end of a series of rods (4); a pulse generator (6) which is mechanically and electrically connected to said electricity generator; an electric drilling tool (7); and an electrical sliding switch system (9). The invention is useful in the field of drilling by electrical discharge.

Inventors:
BAYOL FRÉDÉRIC (FR)
DRAMANE BONI (FR)
GAUSSEN JEAN-LOUIS (FR)
GOEPFERT CHRISTOPHE (FR)
Application Number:
PCT/EP2015/053634
Publication Date:
December 17, 2015
Filing Date:
February 20, 2015
Export Citation:
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Assignee:
I T H P P (FR)
International Classes:
E21B41/00; E21B7/15
Domestic Patent References:
WO2003069110A12003-08-21
WO1999037017A11999-07-22
Foreign References:
US20130140086A12013-06-06
US20130228373A12013-09-05
US20110100640A12011-05-05
US20060191687A12006-08-31
Attorney, Agent or Firm:
AUGUST & DEBOUZY AVOCATS et al. (Paris, FR)
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