Casing centralizer
AssigneeSummit Energy Services, Inc.
InventorsMitchel D. Hansen, Andrew M. Eldridge, Jody D. Riddle, Jeffrey Scott Danielson
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Abstract
A casing centralizer comprising a cylindrical base and a plurality of blades extending from the cylindrical base. The plurality of blades and the cylindrical base of the casing centralizer are compression molded as a single piece from a mineral filled, glass and specialty fiber reinforced polyester molding compound.
Claims5
1-15. (canceled)
A casing centralizer comprising:
- a cylindrical base;
- a plurality of blades extending from the cylindrical base, wherein the plurality of blades and the cylindrical base are compression molded as a single piece from a mineral filled, glass and specialty fiber reinforced polyester molding compound, and wherein the mineral filled, glass and specialty fiber reinforced polyester molding compound comprises a combination of styrene, kaolin, calcium stearate, calcium metasilicate, fibrous glass, and polystyrene.
A casing centralizer comprising:
- a cylindrical base;
- a plurality of blades extending from the cylindrical base, wherein the plurality of blades and the cylindrical base are compression molded as a single piece from a mineral filled, glass and specialty fiber reinforced polyester molding compound, and wherein the mineral filled, glass and specialty fiber reinforced polyester molding compound comprises a combination of styrene, calcium metasilicate, and fibrous glass.
The casing centralizer of claim 19 wherein the mineral filled, glass and specialty fiber reinforced polyester molding compound has a flexural strength of 18,000 to 28,000 psi.
Dependencies are inferred from the claim text.