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Monday, March 3, 2014
VAALCO Energy reported that the exploration well on the Dimba Prospect offshore Gabon has been drilled to a total depth of 3,040 meters. Unfortunately the electric log data indicated that the estimated recoverable reserves were uneconomic. Subsequently the well is in the process of being plugged and abandoned.
The company said that the primary Gamba sandstone objective was encountered high on the structure but was thinner and tighter than expected in the initial well penetration. The secondary deeper objectives in the Melania and Lucina sections were encountered on structure but lacked reservoir quality sands and were not tested. Strong oil shows observed in the sidewall cores at the Gamba interval led to a subsequent sidetrack on the flank of the structure. The sidetrack encountered thicker Gamba reservoir of improved quality but VAALCO and its partners deemed the reservoir to be too small to be economic.
VAALCO has now scheduled the previously announced six-day shutdown of the Etame Marin block to commence on or around March 15. The shutdown has been scheduled to upgrade the safety systems and perform maintenance and repairs to key mechanical systems including the gas lift compressor and boiler unit on VAALCO’s leased FPSO. Other maintenance will be performed in the field while the FPSO is down. A second FPSO shutdown is planned during H2 to upgrade the fire and gas detection systems.
Construction work on the two new production platforms targeting additional development of the Etame Marin block is continuing on schedule, with one platform to be installed in the Etame field and the second platform to be installed between the Southeast Etame and North Tchibala fields. Both platforms are expected to be set in H2 2014.
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