downhole load cell

downhole load cell

  • CN 101,542,071 B
  • Filed: 03/06/2008
  • Issued: 11/25/2015
  • Est. Priority Date: 03/07/2007
  • Status: Active Grant
First Claim
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1. determine a method for the load of the calibration on the well turnover assembly line of the down well placement of oil drilling, described method comprises:

  • Dry downhole load cell is sent to described down well placement by described well turnover assembly line;

    Downhole temperature information is obtained from described down well placement;

    Down-hole pressure information about described down well placement is provided;

    AndBased on the down-hole load data that the tentation data real time calibration about described downhole load cell detects at the described downhole load cell of described down well placement, wherein, tentation data obtains like this;

    before load cell is delivered to down well placement, various known load is applied to load cell, to determine the inaccuracy under given load, temperature and pressure under various temperature and pressure.

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