Norway's Electromagnetic Geoservices (EMGS) has cut its loss significantly in the third quarter.

The seismic survey vessel owner said the net deficit to 30 September was $1.58m, from $11.43m in the same period of 2016.

Revenue was $10m, up from $4.5m a year ago.

EMGS has reduced its quarterly cost base from $14.2m last year to $9.2m.

And EBITDA turned positive at $2.9m,