Establishment and Application of Generalized Tong’s Chart

Abstract

Abstract: In 1978, Academician Tong Xianzhang proposed the chart method for determination of water drive recoverable reserves based on Type A water drive curve. This chart was cited by the national standards of petroleum industry published in 1989, 1998 and 2010 in China. For the chart is intuitive, simple and applicable, it is very popular and highly regarded by all reservoir engineers. However, it was restricted in application and resulted in uncertainties because the chart was made based on water cut limit of 98%. In this paper, the generalized Tong’s chart is established based on Tong’s work. The generalized chart can not only expand in application range, but also improve reliability for forecasting recovery efficiency. Using the matching water cut with Tong’s chart, the recovery factor and the recoverable reserves can be determined. The field application shows the generalized chart is effective and practical

CLC Number:

TE331

CHEN Yuanqian, GUO Erpeng. Establishment and Application of Generalized Tong’s Chart[J]. , 2014, 35(2): 1-1.

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Establishment and Application of Generalized Tong’s Chart

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