Electromagnetic wellbore telemetry system for tubular strings

Communications: electrical – Wellbore telemetering or control – Using a specific transmission medium

Reexamination Certificate

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Details

C340S854600, C439S191000, C174S047000, C367S082000

Reexamination Certificate

active

07859426

ABSTRACT:
A coaxial transmission line for an electromagnetic wellbore telemetry system is disclosed. An inner conductive pipe is disposed inside an axial bore of the outer conductive pipe. An insulator is positioned between the outer conductive pipe and the inner conductive pipe. In a specific embodiment, the inner conductive pipe is perforated or slotted.

REFERENCES:
patent: 2000716 (1935-05-01), Polk
patent: 2096359 (1937-10-01), Hawthorn
patent: 2178931 (1939-11-01), Crites
patent: 2531120 (1950-11-01), Feaster
patent: 3170137 (1965-02-01), Brandt
patent: 3518608 (1970-06-01), Papadopoulos
patent: 3518609 (1970-06-01), Fontenot, Jr.
patent: 3696332 (1972-10-01), Dickson, Jr. et al.
patent: 4012092 (1977-03-01), Godbey
patent: 4095865 (1978-06-01), Denison et al.
patent: 4176894 (1979-12-01), Godbey
patent: 4220381 (1980-09-01), van der Graaf
patent: 4537457 (1985-08-01), Davis, Jr. et al.
patent: 4591226 (1986-05-01), Hargett et al.
patent: 4722402 (1988-02-01), Weldon
patent: 4914433 (1990-04-01), Galle
patent: 4953636 (1990-09-01), Mohn
patent: 5517464 (1996-05-01), Lerner et al.
patent: 5642051 (1997-06-01), Babour et al.
patent: 6641434 (2003-11-01), Boyle et al.
patent: 7605715 (2009-10-01), Clark et al.
patent: 2004/0156264 (2004-08-01), Gardner et al.
patent: 2004/0242044 (2004-12-01), Head
patent: 2005/0024232 (2005-02-01), Gardner et al.
patent: 2005/0285753 (2005-12-01), Shah et al.
patent: 2006/0098531 (2006-05-01), Gardner et al.
patent: 2006/0114746 (2006-06-01), Gardner et al.

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