Title:
DOWNHOLE TOOL AND BOTTOM HOLE ASSEMBLY FOR RUNNING A STRING IN A WELLBORE
Document Type and Number:
WIPO Patent Application WO/2016/142534
Kind Code:
A3
Abstract:
The invention relates to a downhole tool (1) having a generally cylindrical body (2) comprising a rear end (3) adapted for connection to the bottom of a string or to a motor shaft, and terminated by a nose portion (5) comprising the front end (4) of the tool, the said body further comprising: - a passive area (6); - a front cutting area (7) undergauge relative to the said passive area and arranged between the said passive area and the said front end.
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Inventors:
BEN HAMIDA MALEK (BE)
SLUYS NICOLAS (GB)
HAHATI ABDELHAKIM (BE)
DESCHAMPS BENOÎT (BE)
SLUYS NICOLAS (GB)
HAHATI ABDELHAKIM (BE)
DESCHAMPS BENOÎT (BE)
Application Number:
PCT/EP2016/055341
Publication Date:
January 05, 2017
Filing Date:
March 11, 2016
Export Citation:
Assignee:
TERCEL OILFIELD PRODUCTS BELGIUM SA (BE)
TERCEL IP LTD (VG)
TERCEL IP LTD (VG)
International Classes:
E21B17/14
Domestic Patent References:
| WO2010127233A2 | 2010-11-04 | |||
| WO2005083226A1 | 2005-09-09 | |||
| WO2011025488A1 | 2011-03-03 | |||
| WO1996028635A1 | 1996-09-19 | |||
| WO2010141781A1 | 2010-12-09 |
Foreign References:
| US3346060A | 1967-10-10 | |||
| US4385669A | 1983-05-31 | |||
| GB2353551A | 2001-02-28 | |||
| GB2428840A | 2007-02-07 | |||
| US20060185855A1 | 2006-08-24 |
Attorney, Agent or Firm:
PRONOVEM - OFFICE VAN MALDEREN (BE)
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