Chinook Energy Inc. provided operational update on its Birley/Umbach property for the second quarter 2017. For the period, company successfully completed a four well (3.63 net) (the a-81-F, b-90-G, 02/d-5-K, and b-14-K wells) drilling program at Birley/Umbach with average drilling costs of approximately $1.55 million per well ($1.38 million, net). The wells were subsequently completed during the third quarter of 2017, at an average cost of approximately $2.69 million ($2.43 million, net).