Composite slips for a frac plug

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United States of America Patent

PATENT NO 9506316
APP PUB NO 20150068729A1
SERIAL NO

14543687

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Abstract

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A composite frac plug (12) is formed of composite polymer materials, except for shear pins (52) and anchor cleats (96, 112) which are formed of metal. The frac plug (12) has an elastomeric ball seat (44) which sealing engages with a frac ball (18). A ratchet lock assembly (26) has a split ratchet ring (82) which moves over the mandrel (22) in a downward direction only, and prevents movement of the mandrel (22) downward within the ratchet ring (92). An anchor assembly (28) has slip bodies (92, 108) which are segmented and separately urge anchor cleats (96, 112) into the interior surface of a well casing (136).

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Patent Owner(s)

Patent OwnerAddress
DBK INDUSTRIES LLC3824 WILLIAMSON ROAD CROWLEY TX 76036

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Andres, Robert C Fort Worth, US 10 227
Baker, Trea H Granbury, US 7 217
Carr, Jimmy L Fort Worth, US 8 236
Drury, Derrek D Fort Worth, US 10 242

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