3D Seismic Survey Vessel “TANSA” Features


Purpose designed and equipped, TANSA enables OGF to acquire the highest data quality surveys, safely and efficiently for our clients in the challenging offshore environment. TANSA is equipped with PGS Dual-Sensor GeoStreamer Broadband solid streamer technology, steerable air gun sources and the eBird steerable streamer system. With a track record of acquisition spanning 12 years internationally and now in Japan, TANSA delivers the highest quality seismic data for all of our clients.

Owner Japan Organization for Metals and Energy Security (JOGMEC)
Maritime Operator Ocean Geo-Frontier, Co., Ltd (OGF)
Flag Japan
Port of registry Tokyo
Builder STX Europe, Norway, 2009
Gross Tonnage 13,782 t
Length 102.2m
Width 40m
Draft 7.4m
Propulsion Type Diesel electric, 14,000 kW
Streamers 81km of PGS GeoStreamer® Solid
Streamer setup
10 x 8,100m and 12 x 6,600m
Streamer control
Kongsberg eBird
Spread deflection Baro 410
Source/volume Dual Source (2 x 4130cuin) or Triple Source (3 x 3280cuin)
Source Array 6 x Steerable Subarrays
Recording System PGS gAS 6.4
Navigation System
ION Concept Systems Ltd – Orca 1.15.1