Title:

An Evaluation o f James' Empirical Formulae for the Determination of Two-Phase Flow Characteristics i n Geothermal Wells

Authors:

P. Cheng and M. Karmarkar

Conference:

Stanford Geothermal Workshop

Year:

1978

Session:

Well Testing and Formation Evaluation

Language:

English

File Size:

159KB

View File:

Abstract:

One of the most economical and simple methods of determination of two-phase flow parameters in geothermal well testing is the so-called James' method [ 1,2 ]. The method consists of the measurements of lip pressure (p), and the flow rate of water (w) by a conventional weir. The stagnation enthalpy (h ) is then determined from a plot showing versus which is &npirically determined by James [ 1, 2 ]. The mass flow rate is then determined from the following empirical formula: Formula follows (see pdf).


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