This paper is to summarize the advanced applications of formation testing in Daqing field in recent years and to share the experience on how to use formation testing technology to improve field development plan adjustment by understanding better the water movement and EOR fluid front distribution using formation testing technology. Daqing Oil field is the most critical oil field in China to supply stable oil production for Chinese domestic demands. It involves continue exploring of new reserve in more and more challenging formation and continue pushing for higher oil recovery by fine turn water injection strategy and utilizing leading edge EOR technology. In order to achieve this objective, the latest formation testing technology has always been evaluated and applied in Daqing development field in last 10 years. Tons of pressure and fluid data has been collected to in such an efficient and cost-effective approach. Other than fluid typing and obtaining fluid samples in exploration wells, the conventional formation testing applications, formation testing has been used more in development field in Daqing field recently to understand water movement helping defining infill drilling plan and in EOR stage, to understand EOR fluid front. This helps the field operator greatly to figure out the potential of a mature field and maintain stable production ultimately.
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