This Study focused on the lithostratigraphic properties of Mamlaht
Al-Kom structure, for evaluating the hydrocarbon potential of this
important structure. In order to achieve this goal, the time and depth
maps are constructed, through revaluating
and interpreting the
seismic sections, correlating the drilled wells, and appraising the
available well rock samples. The obtained data permit to ensure the
hydrocarbon potential of the K.D formation, because of its suitable
thickness, presence of cover, and source rock. On the other hand,
the entire shape of the structure is not defined accurately as all the
exploration wells were drilled along the axis North East – South
west. Thus these results should be checked by reinterpreting the
available seismic data depending on the geological and
lithostratigraphic data, and drill exploration wells on the axis North
– South to define the depth and structure of the reservoir reliably.
Karatchouk field is located in a very complicated tectonic area, affecting on the petroleum layers, and causing migration from and to deferent formations. That’s why a detailed study is executed, to reevaluate the petroleum potential of Butma formati
on. Butma formation is Norian age of upper Triassic, doesn’t outcrop on surface, but only recognized by deep wells. During geologic time, this formation was affected by important (regional and local) tectonic accidents causing it’s fraction. Therefore, these accidents produce in the Butma formation a secondary porosity and permeability, motivating the petroleum migration from mother rocks to it. This study indicates the Butma formation potential, and suggests recommendations to guide future petroleum exploration.
