发明名称 Lastcelle-sensor for boremekanikk
摘要 <p>A load cell for sensing deformation in a drill collar is provided. The load cell comprises a disc member having one or more arcuate apertures and a deformation sensing element disposed on a side surface of the arcuate apertures. The load cell is capable of sensing such drilling parameters as weight and torque on a drill bit during the drilling operation. <IMAGE></p>
申请公布号 NO20033188(D0) 申请公布日期 2003.07.11
申请号 NO20030003188 申请日期 2003.07.11
申请人 SCHLUMBERGER TECHNOLOGY BV 发明人 CHALITSIOS, CONSTANTYN;GABLER, KATE IRENE STABBA
分类号 E21B47/00;G01G19/18;G01L1/22;G01L5/16;(IPC1-7):E21B 主分类号 E21B47/00
代理机构 代理人
主权项
地址