Collecting important data a breeze for experienced geophysicists

FOLLOWING last season’s offshore geophysical investigation program for a new LNG export facility off the south west coast of Papua New Guinea, GBG
Australia was tasked with an onshore seismic and electrical resistivity program to add additional information to the facility’s preliminary geotechnical investigation.
GBG Australia collected about 12km of seismic refraction and MASW data through difficult jungle and swampy terrain, covering virgin ground.
The data was then used to extend and tie together information obtained from limited boreholes and to extrapolate previously-collected offshore information.
Data was collected in a very wet ‘dry season’, and was completed both on time and on budget for the client, despite difficult conditions.
Because GBG Australia’s systems are completely portable, the company can use locally-hired boats to keep mobilisation and site costs low.
The company’s systems are built to undertake shallow bathymetrical and geophysical investigations from the intermediate zone to a depth of 50m.
In what has been a busy year for GBG Australia’s marine business, the company conducted a number of investigations for major horizontal directional drilling under bores in NSW on the Hunter and Clarence rivers, Lake Conjola and parts of the central coast, in addition to work in Dampier, Cape Lambert and Oman.
The company’s land crews have been busy with major rail line upgrades in Queensland and WA, in addition to pre-exploration geohazard investigations for wildcat drilling in the Eucla Basin.

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