Non-metallic centralizer for casing

Details Non-metallic centralizer for casing Non-metallic centralizer for casing

1997-05-02

1999-06-01

Suchfield, George

Wells

Guide for device or conduit

Surrounding existing device or tubing

1662411, 1662413, E21B 1710

Patent

active

059080728

ABSTRACT:
A non-metallic centralizer for casing having a tubular, plastic sleeve adapted to fit closely about a joint of casing, said sleeve having a plurality of blades extending substantially longitudinally along an outer surface of said sleeve. The non-metallic centralizer having strength characteristics capable of withstanding the forces encountered in casing operations. The non-metallic centralizer is non-sparking for use in hazardous environments, abrasion and wear resistant, and provides protection from electrolysis between adjacent casing strings. The non-metallic centralizer is light weight, allowing increased transportation capacity at a economical cost.

REFERENCES:
patent: 3528499 (1970-09-01), Collett
patent: 3933203 (1976-01-01), Evans
patent: 3963075 (1976-06-01), Evans
patent: 4050514 (1977-09-01), Prenn
patent: 4088185 (1978-05-01), Carson
patent: 4757861 (1988-07-01), Klyne
patent: 4858688 (1989-08-01), Edwards et al.
patent: 4919202 (1990-04-01), Clintberg
patent: 5095981 (1992-03-01), Mikolajczyk
patent: 5115863 (1992-05-01), Olinger
patent: 5179140 (1993-01-01), Ariannejad
patent: 5191938 (1993-03-01), Sable et al.
patent: 5247990 (1993-09-01), Sudol et al.
patent: 5277254 (1994-01-01), Rullman et al.
patent: 5339896 (1994-08-01), Hart et al.
patent: 5492174 (1996-02-01), O'Hair
patent: 5692562 (1997-12-01), Squires
Ray Oil Tool Company Brochure: Solid Straight Blade Centralizers (Undated).
Downhole Products (UK) Ltd. Brochure: The Spir-O-Lizer (Undated).

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