Elnusa successfully conducting seismic surveys for 36 years throughout Indonesia and abroad (Brunei, Myanmar, India and Vietnam). The company has also succesfully carried out the largest seismic land survey in Indonesia. Morevoer, the company offers Land Seismic Survey that is supported by land acquisition seismic survey equipment including vibratory seismic source, cable system and wireless system recording equipment and various sensor devices, such as conventional geophone strings, single geophones and nodes. These are the seismic survey services for mapping subsurface structures. The scope of this service includes public relations, topography, shallow drilling, data recording or acquisition, to seismic data processing.