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Drilling rig closed loop controls

  • US 6,662,110 B1
  • Filed: 01/14/2003
  • Issued: 12/09/2003
  • Est. Priority Date: 01/14/2003
  • Status: Expired due to Term
First Claim
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1. A method for drilling a wellbore, comprising:

  • advancing a drill string into the ground via a drilling rig according to manual drilling control input, the drill string having downhole sensors and a drill bit, the rig having surface sensors, a drilling control system operatively connected to the drill string;

    acquiring surface measurement data representative of surface drilling parameters via the surface sensors;

    acquiring downhole measurement data representative of downhole drilling parameters via the downhole sensors;

    determining an optimized drilling control model by using the drilling control system to electronically compare the surface measurement data and the downhole measurement data; and

    adjusting the drilling control input based on the drilling control model.

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