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Offshore Operation Facilities by Menglan Duan, Huacan Fang

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3.15. New Technology and New Techniques for China's Offshore Oil Production

3.15.1. Extending Testing Techniques and the Use of Early Production Systems

Development evaluation for offshore oil fields, relies mainly on drill-stem testing (DST) for exploration and appraisal wells, but using this test's data as the basis of production evaluation often results in wrong decisions because the time for a DST is short (usually 6 to 12 hours). Therefore, in order to reduce the risk of development of offshore fields and avoid errors in design and economic losses caused by the lack of test data, before the formulation of development programs and design engineering programs, we need to extend tests (e.g., the Jinzhou Marine 9-3-D well had an extended test ...

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