media watch, page-46

Below is the breakdown, still confused how it works even after reading the definitions

Dart Energy has a 60% working interest in PEDL 139 & 140.

Dart Energy has a 16.5% operating interest in PEDL 139 & 140.

OPERATING INTEREST: A working interest owner who is also the well operator.

WORKING INTEREST: The right granted to the lessee of a property to explore for and to produce and own oil, gas or other minerals. The working interest owners bear the exploration, development, and operating costs on either a cash, penalty or carried basis.