Control systems and methods to enable autonomous drilling

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United States of America Patent

PATENT NO 11753922
SERIAL NO

17698213

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Abstract

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A system or method for drilling includes autonomously controlling a rotary or percussive drilling process as it transitions through multiple materials with very different dynamics. The method determines a drilling medium based on real-time measurements and comparison to prior drilling data, and identifies the material type, drilling region, and approximately optimal setpoint based on data from at least one operating condition. The controller uses these setpoints initially to execute an optimal search to maximize performance by minimizing mechanical specific energy. Near-bit depth-of-cut estimations are performed using a machine learning prediction deployed in an embedded processor to provide high-speed ROP estimates. The sensing capability is coupled with a near-bit clutching mechanism to support drilling dysfunction mitigation.

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Patent Owner(s)

  • NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA, LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Blada, Timothy James Albuquerque, US 3 1
Buerger, Stephen Albuquerque, US 12 35
Foris, Adam Albuquerque, US 5 1
Mazumdar, Anirban Atlanta, US 12 35
Raymond, David W Edgewood, US 17 162
Spencer, Steven James Albuquerque, US 4 1
Su, Jiann-Cherng Albuquerque, US 14 9
Wright, Elton K Rio Rancho, US 4 1

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