Mill and pump-off sub

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7325631
APP PUB NO 20070023188A1
SERIAL NO

11193538

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A downhole mill includes a plurality of cutters extending generally radially from a center region to a gage diameter, wherein the plurality of cutters includes a first serrated cutter blade having a plurality of peaks and valleys along its length. The plurality of cutters includes a second serrated cutter blade having a plurality of peaks and valleys along its length. The plurality of cutters includes a non-serrated cutter blade positioned upon the cutting face between the first serrated cutter blade and the second serrated cutter blade, wherein the peaks of the first serrated cutter blade is radially aligned with the valleys of the second serrated cutter blade. A pump-off sub configured to release a downhole mill includes a dovetail connection maintained by a c-ring in an expanded state.

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Patent Owner(s)

  • SMITH INTERNATIONAL, INC.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Roberts, William M Tomball, TX 26 889
Speer, Tracy R Tyler, TX 2 10

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