AUTOMATED RATE OF PENETRATION OPTIMIZATION WHILE MILLING

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United States of America Patent

APP PUB NO 20150247396A1
SERIAL NO

14630857

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method for automating a downhole milling process includes receiving an input stream from at least one sensor within a downhole milling system, and segmenting the input stream. A safe operating envelope is identified based on segments of the input stream and models for the segments. At least one parameter of the milling system is then automatically changed along a path of optimal rate of penetration while remaining within the safe operating envelope. In some embodiments, an input stream may include surface pressure and the safe operating envelope may include swarf transport conditions.

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Patent Owner(s)

Patent OwnerAddress
SMITH INTERNATIONAL INC16740 HARDY STREET HOUSTON TX 77032

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aldred, Walter David Cambridge, GB 17 300
Fairweather, Alan Aberdeen, GB 21 76
Johnson, Ashley Bernard Cambridge, GB 80 998
Sharma, Anurag Houston, US 95 1426
Tunc, Gokturk Houston, US 40 515

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