Tools and related methods for cold-working fluid ends

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United States of America Patent

PATENT NO 11794306
SERIAL NO

16379027

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Abstract

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A fluid end having a longitudinal bore less than about 36 inches in diameter has an internal surface that is cold-worked to have compressive stresses of at least 15 ksi (103.42 MPa) beneath the metal surface up to about 40 mils (1.016 mm).

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Patent Owner(s)

Patent OwnerAddress
SUPERIOR SHOT PEENING INC13930 LUTHE ROAD HOUSTON TX 77039

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Blasingame, Van Houston, US 6 2
Johnson, Albert Houston, US 10 282
Spinner, Daniel Houston, US 4 1

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