Development drilling progresses Te Giac Trang offshore Vietnam

Source: Soco International

Hoang Long Joint Operating Company, the Operator of Block 16-1 in the Cuu Long Basin offshore Vietnam, has completed drilling of the four batch-drilled development wells and commenced drilling an eighth development well on the Te Giac Trang (TGT) development.

The four wells, TGT-4P to-7P, were drilled in batch mode rather than drilling each well sequentially. Preliminary petrophysical analysis indicates that the wells have confirmed the reservoir model.

The TGT-4P well, drilled in the southwest area of the northern fault block encountered the top of the target reservoir horizon lower than expected but encountered previously unmapped hydrocarbons in the Oligocene "C" reservoir. The TGT-5P well, drilled to the northern part of the field encountered the main reservoir as expected, while the TGT-6P, drilled to the southern part of the northern fault block, encountered the main reservoir high to prognosis. The TGT-7P well, drilled to the central area, also encountered the main reservoir horizon as predicted although it encountered a thicker pay section than expected.

The TGT-8P well, targeting the central area of the H1.2 fault block, near the TGT-1X discovery well, will take approximately 30 days to drill and complete. Once the well has been completed the rig will be released to allow for the commencement of installation operations for the in-field pipelines and FPSO to commence.

All wells are being suspended and will become producing wells upon start-up of production in August 2011. Plateau production during this first phase of development is estimated to be circa 55,000 barrels of oil per day.



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