×

ELECTROMAGNETIC WELLBORE TELEMETRY SYSTEM FOR TUBULAR STRINGS

  • US 20080041575A1
  • Filed: 07/10/2006
  • Published: 02/21/2008
  • Est. Priority Date: 07/10/2006
  • Status: Active Grant
First Claim
Patent Images

1. A coaxial transmission line for an electromagnetic wellbore telemetry system, comprising:

  • an outer conductive pipe;

    an inner conductive pipe disposed coaxially inside an axial bore of the outer conductive pipe;

    a first electrical contact having a first contact face disposed at a first end of the inner conductive pipe;

    a second electrical contact having a second contact face disposed at a second end of the inner conductive pipe, wherein at least one of the first and second contact faces includes at least one slot; and

    an insulator disposed between the outer conductive pipe and the inner conductive pipe.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×