Title:
WIRELINE CABLE FOR USE WITH DOWNHOLE TRACTOR ASSEMBLIES
Document Type and Number:
WIPO Patent Application WO/2011/037974
Kind Code:
A3
Abstract:
A wireline cable includes an electrically conductive cable core for transmitting electrical power, an inner armor layer disposed around the cable core, and an outer armor layer disposed around the inner armor layer, wherein a torque on the cable is balanced by providing the outer armor layer with a predetermined amount of coverage less than an entire circumference of the inner armor layer, or by providing the outer armor layer and the inner armor layer with a substantially zero lay angle.
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Inventors:
VARKEY JOSEPH (US)
Application Number:
PCT/US2010/049783
Publication Date:
July 07, 2011
Filing Date:
September 22, 2010
Export Citation:
Assignee:
SCHLUMBERGER CA LTD (CA)
SCHLUMBERGER TECHNOLOGY BV (NL)
PRAD RES & DEV LTD
SCHLUMBERGER SERVICES PETROL (FR)
SCHLUMBERGER HOLDINGS
VARKEY JOSEPH (US)
SCHLUMBERGER TECHNOLOGY BV (NL)
PRAD RES & DEV LTD
SCHLUMBERGER SERVICES PETROL (FR)
SCHLUMBERGER HOLDINGS
VARKEY JOSEPH (US)
International Classes:
E21B23/00; E21B19/00; E21B23/14
Foreign References:
| US20080190612A1 | 2008-08-14 | |||
| US20060151194A1 | 2006-07-13 | |||
| US4952012A | 1990-08-28 | |||
| US4131757A | 1978-12-26 | |||
| US20070044991A1 | 2007-03-01 |
Attorney, Agent or Firm:
FONSECA, Darla, P. et al. (200 Gillingham Lane MD 200-9Sugar Land, TX, US)
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