Azimuthal at-bit resistivity and geosteering methods and systems

Azimuthal at-bit resistivity and geosteering methods and systems

  • CN 102,439,260 A
  • Filed: 12/16/2008
  • Published: 05/02/2012
  • Est. Priority Date: 12/16/2008
  • Status: Active Application
First Claim
Patent Images

1. bottom hole assembly comprises:

  • Drill bit with cutting surface;

    Resistivity tool with at least one loop aerial;

    Be couple to the MTR of said drill bit via driving shaft, wherein said MTR is between said drill bit and said resistivity tool;

    AndNearly drill bit antenna, wherein said nearly drill bit antenna is the loop aerial that is positioned at 3 feet of said cutting surfaces, and said nearly drill bit antenna is not parallel to the loop aerial of said instrument.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×