TREA

Vareo Shaffer, Inc.

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Well drilling method and system
    • Patent number 6,527,062
    • Issue date Mar 4, 2003
    • Vareo Shaffer, Inc.
    • Hubert L. Elkins
    • E21 - EARTH DRILLING MINING