Title:
COMBINATION CABLE GUARD AND CENTRALIZER DEVICE FOR USE WITH DOWNHOLE TUBING STRINGS
Document Type and Number:
WIPO Patent Application WO/2018/152631
Kind Code:
A3
Abstract:
A combination cable guard and centralizer device, comprising (i) an arcuate-shaped elongate base member having tapered ends, a pair of first hinge-housing portions wherein each of said pair is at an opposite end of a first elongate edge, and an opposite first elongate edge has a pair of spaced-apart channels for receiving and demountably engaging therein a shank portion and a flanged head portion of a bolt, and (ii) a complementary arcuate-shaped elongate upper member having tapered ends, a second hinge-housing portion in rotational hinged communication with the pair of first hinge-housing portions. The upper member has a second pair of channels for rotationally receiving therein a cylindrical rod having a female-threaded bore therethrough, and a third set of channels for receiving therethrough a male-threaded portion of the bolt wherein the male-threaded bolt is threadably engaged with the female- threaded bore of the cylindrical rod.
Inventors:
SERAFINCHAN DALE (CA)
Application Number:
PCT/CA2018/050199
Publication Date:
November 29, 2018
Filing Date:
February 21, 2018
Export Citation:
Assignee:
DASCO ESP INC (CA)
International Classes:
E21B17/10
Domestic Patent References:
| WO2001002694A1 | 2001-01-11 |
Foreign References:
| US6023027A | 2000-02-08 | |||
| US3697141A | 1972-10-10 | |||
| RU2558552C1 | 2015-08-10 | |||
| CN202170763U | 2012-03-21 | |||
| GB2377717A | 2003-01-22 | |||
| GB786114A | 1957-11-13 |
Attorney, Agent or Firm:
POLONENKO, Daniel R. et al. (CA)
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