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          CN 51-1183/TE

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An improved method for predicting water
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Key Words:Tong xianzhang’s Charter plate; water drive curve; moisture content; recovery degree
Abstract:The formula of Tong xianzhang’s Charter plate is the statistics law by at home and abroad in high permeability reservoir water flooding , and can not objectively reflect the actual characteristics of a particular reservoir. Evaluation of reservoir water content and the degree of recovery appeared against the use of Tong xianzhang’s Charter plate relationship with the actual value the presence of large deviation theory value, according to the parameters of the static water drive reservoir, flow patterns and dynamic changes in moisture content, the use of water flooding characteristics Tong xianzhang’s Charter plate in the formula for the constant 7.5 reasoning derived constants alternative relationship 7.5. Examples of verification through improved plate evaluate changes in the moisture content is more in line with actual reservoir has strong application value.
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