Modtager-streamersystem og fremgangsmåde til marin elektromagnetisk opmåling

摘要

A receiver streamer system for marine electromagnetic surveying includes a first streamer (302a), and a second streamer (302b) disposed substantially parallel to and spaced apart from the first streamer. A first pair of electrodes (306a1,306a2) is associated with the first streamer (302a) and a second pair of electrodes (306b1,306b2) is associated with the second streamer (302b). Each of the first and second pairs of electrodes is functionally associated with a voltage measuring circuit configured to measure voltage along an inline direction. At least one electrode on each of the first and second streamers is configured and associated with a voltage measuring circuit to make voltage measurements in a cross-line direction.