Exploration of a Palaeogene Syn- to early Post Orogenic Deep-Marine Basin Play, Kamchia Depression (Eastern Onshore Bulgaria)

摘要

Introduction The Kamchia Depression is the easternmost onshore part of the Balkan Foredeep in Bulgaria (Figure 1). It has a long history of petroleum exploration and production numerous wells drilled, often before seismic. There has been limited gas production to date, but there have been numerous shows of gas and gas condensate from a range of late Mesozoic to Oligocene reservoirs, in some cases with high recorded flow rates. Exploration plays exist in the (i) allochthonous and para-autochthonus Balkan Thrust be (ii) autochthonous Mesozoic and early Palaeogene normal fault block highs in the foreland (analogous to the offshore Galata Field, Currie et al., (2010)), and (iii) the syn- to early post-orogenic fore-Balkan trough (the Kamchia Basin)