Gran Tierra Energy (GTE CN/LN); HOLD, C$2.75: Eases investor concern surrounding production outages, guidance revision forthcoming | Aker BP (AKERBP NO) (not covered): Discovery in Norway and 2Q19 results | Caspian Sunrise (CASP LN) (not covered): Operating update in Kazakhstan | JKX Oil & Gas (JKX LN) (not covered): 2Q19 update | Maurel & Prom (MAU FP) (not covered): Production update