Analyze and Interpretation of the Environment Sequence Models in Triassic Province of Algeria — Application to South Field (Algeria)

Rafik Baoucher
Geophysics, University of Boumerdes, Rennes, France

The Triassic Province represents a vast Saharan territory in Algeria With a surface of 400 000 km². Significant hydrocarbon layers are exploited there on the level of Triassic and Cambrian-Ordovician. The Saharan Triassic is made of varied continental environments: the fluvial one, the plain of flood, the lake one, the Sebkha and the wind one.
The top of the sequences is represented by sequences of discontinuities which are modifications related to the pedogenesis and which are not characterized in the old models. This work thus proposes to refine these models by the use of a set of diagraph (GR., Neutron, sonic, density and resistively) of evolution of sequences and of a cut of lithography facieses obtained starting from the results resulting from a faciologic analysis established for this purpose on the level of Hassi R' Mel Field.

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