发明名称 METHOD AND APPARATUS FOR COMMUNICATING INCREMENTAL DEPTH AND OTHER USEFUL DATA TO DOWNHOLE TOOL
摘要 <p>A method and apparatus for communicating incremental depth and/or other useful data of a downhole tool. The incremental depth and/or other useful data of the downhole tool being communicated by measuring at least one change in the downhole system, detecting the change downhole, and subsequently determining the incremental depth and/or other useful data of the downhole tool.</p>
申请公布号 CA2881918(A1) 申请公布日期 2015.08.12
申请号 CA20152881918 申请日期 2015.02.12
申请人 WEATHERFORD TECHNOLOGY HOLDINGS, LLC. 发明人 BARTEL, ROGER P.;MAULDING, CHARLES L.
分类号 E21B47/04;E21B44/02;E21B45/00;E21B47/12;E21B47/26 主分类号 E21B47/04
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