An oil and gas industry site survey for a semi-sub rig acquired under licences P1064 and P1680 between June and July 2011. The block numbers traversed were 210/29a, 210/29c, 210/30a and 210/30b.
In controlled source electromagnetic (CSEM) modeling with well casings, it is common to assume that the current is flowing vertically in each casing, due to the large conductivity contrast between cas
