Hurst-Clark-Brauer Solution for Constant-Head Tests in Confined Aquifers

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Hurst-Clark-Brauer Solution for Constant-Head Tests in Confined Aquifers

Description

A mathematical solution by Hurst, Clark and Brauer (1968) is useful for determining the hydraulic properties (transmissivity and storativity) of confined aquifer. Analysis involves matching the Hurst-Clark-Brauer solution to discharge data collected during a constant-head test. The solution includes wellbore skin.

AQTESOLV for Windows provides visual and automatic methods for matching the Hurst-Clark-Brauer solution to constant-head test data. This easy-to-use and intuitive software promotes rapid and accurate determination of aquifer properties.

Assumptions

The following assumptions apply to the use of the Hurst-Clark-Brauer solution:

	aquifer has infinite areal extent
	aquifer is homogeneous, isotropic and of uniform thickness
	potentiometric surface is initially horizontal
	aquifer is confined
	flow is unsteady
	wells are fully penetrating
	water is released instantaneously from storage with decline of hydraulic head

Solution Options

AQTESOLV for Windows provides the following options for the Hurst-Clark-Brauer solution:

recovery

References

Hurst, W., J.D. Clark and E.B. Brauer, 1969. The skin effect in producing wells, Journal of Petroleum Technology, November 1969, pp. 1483-1489.