05.07.2009
A surface separating rocks that transmit seismic waves at different velocities.
A structure in a sedimentary rock that forms at or near the time of deposition and reveals information about the depositional environment
A type of rock composed of common clay or mud
Often accompanies the signing of a contract for an exploration license and is a sum paid by the exploration company to the licensing authority. It is often one of several elements in a competitive license application
Clause in a gas sales agreement (GSA). if the seller does not deliver the agreed quantity of gas the seller pays the buyer whatever the agreed penalty