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Petroleum Production Engineering, 2nd Edition by Xuehao Tan, Xinghui Liu, Boyun Guo

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Chapter 7

Forecast of Well Production

Abstract

This chapter illustrates how to perform well production forecast, that is, future production rate and cumulative production of oil and gas wells, using the principle of nodal analysis and material balance. Accuracy of the forecast strongly depends on the quality of fluid property data, especially for the two-phase flow period. The reservoir conditions determine future inflow performance relationship (IPR) and, therefore, well production rates. Production rates are predicted using IPR and tubing performance relationship in the future times. Cumulative productions are predicted by integrations of future production rates. A complete production forecast should be carried out in different flow periods identified ...

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