Abstract
In October 1992, a Production Sharing Contract of Block 15-02, offshore southern Vietnam, was signed between Petro Vietnam (Vietnam State Oil Company) and ex-Mitsubishi Oil Company (present-Nippon Oil Company Ltd.).Following exploration activities, Rang Dong oil field has been tracking the phased development steps of increasing oil production level. A fractured reservoir in Granite basement is one of this field's characteristics, which shows severe uncertainty in the fracture distribution and connectivity. To mitigate the risk of these uncertainties, phased development, where reserve has been confirmed by pre-drilling, has been adopted. Also, extended reach horizontal drilling has become common for development well planning to penetrate multiple fractures to enhance well productivity.History of development of Rang Dong oil field to cope with its reservoir uncertainties and difficulties in increasing its production levels with increasing production facilities, is presented in this paper.
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