Subsea communication

Details Subsea communication Subsea communication

2006-09-05

2006-09-05

Hofsass, Jeffery (Department: 2612)

Communications: electrical

Wellbore telemetering or control

Using a specific transmission medium

C340S852000, C340S853100, C340S853300, C342S022000, C367S131000, C701S021000

Reexamination Certificate

active

07102532

ABSTRACT:
Methods of subsea communication in which a cathodic protection anode is used as a transmitting antenna. The signals are received at a second location by two electrodes which are spaced apart by different distances from the transmitting antenna.

REFERENCES:
patent: 3641427 (1972-02-01), Pittman et al.
patent: 4181014 (1980-01-01), Zuvela et al.
patent: 4516069 (1985-05-01), Schmanski
patent: 5587707 (1996-12-01), Dickie et al.
International Search Report, mailed Feb. 22, 2002.

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