COSL has an advanced ELIS™ (enhanced logging imaging system) and well-experienced professional technical team, which can provide customers with choices of wireline logging service solutions.

The main services include:

natural gamma ray and spectrometry logging

spontaneous potential logging

resistivity logging

litho-density logging

neutron logging

acoustic logging and cross-dipole acoustic array logging

formation pressure testing and fluid sampling

rotary sidewall coring

acoustic resistivity imaging logging

nuclear magnetic resonance logging

other alternative technologies