![]() = API gravity) from unconsolidated, arkosic, fluviodeltaic sands of high porosity (average 35%) and permeability (average 3000 md). Using modern technology to enhance the understanding of the structural and stratigraphic trapping mechanisms, the team has defined and built structural and seismic models to help identify possible productive reservoirs. The use of new technology in seismic, drilling, logging, and completions is expected to improve the recovery of oil over previous more ยป conventional methods. A staged approach to the broad program will enable Maxus to prioritize those projects which have the best economic return. A program of reactivation and recompletion of old wells, as well as the drilling of deviated infill wells, stepouts, and new exploration plays has been formulated by the team. Maxus, as operator, has been utilizing geologists, geophysicists, petrophysicists, and reservoir, drilling, construction, and environmental engineers, working together as a team, to fully evaluate the most economic methods of developing these remaining reserves. In 1994, Maxus, BP, and Otepi began working with Lagoven to rejuvenate oil production from both zones. Both zones potentially have significant reserves yet to be recovered. A deep oil zone, the Los Jabillos sand of Oligocene age, was discovered in 1952 on a deep thrust anticline situated below the shallow oil field. Since its discovery in 1928, the field has produced over 750 MMBO from a stratigraphically trapped, shallow, Pliocene alluvial fan (Quiriquire Formation). Quiriquire field is located in the Maturin basin of eastern Venezuela, at the southeastern corner of the Serrania del Interior mountain range. ![]()
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