发明名称 A METHOD FOR SETTING DOWN A BIT IN THE CONSTRUCTION OF A WELL
摘要 A method for setting down a bit in the construction of a well, the method comprising the steps of establishing a setpoint for weight-on-bit; monitorin g actual weight-on-bit; and increasing actual weight-on-bit in a gradual manne r until the setpoint is reached.
申请公布号 CA2550936(C) 申请公布日期 2008.08.19
申请号 CA20042550936 申请日期 2004.12.23
申请人 VARCO I/P, INC. 发明人 KOEDERITZ, WILLIAM L.
分类号 E21B44/00 主分类号 E21B44/00
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