Aug 21 (Reuters) - PetroShale Inc PSH.V
* PetroShale announces financial and operating results for the second quarter of 2017
* Says achieved average Q2 production of 2,571 boe per day, an increase of 51% from corresponding period in 2016
* PetroShale Inc - Qtrly opertaing netbacks revenue $46.10/boe versus $38.58/boe