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GasBU for Windows
The GasBU program generated the following graphs using an example file supplied with the program. In this example, a 3-component sweet gas sample and 29-pressure build up points are used to complete a Horner - Pressure Squared analysis. The example was taken from Theory and Practice of the Testing of Gas Wells, ERCB, Fourth Edition, 1979, Modified Isochronal Test, ERCB example 5-1.
	This is a graph of the 3-component analysis representing the sweet gas of the reservoir.
	This is a graph of the static sandface pressures versus builup time. Note that only selected pressure data points were used in this interpretation.
	This is a graph of the static sandface pressures versus builup time on a log scale.
	This is a graph of the static sandface pressures versus the log of the Horner time. Only selected points were used in this interpretation. The straight line indicates that the well is infinite acting. This line will be used to determine the reservoir permeability and the skin effect.
	This is a graph of the static sandface pressures versus the Horner time on a log scale. Only selected points were used in this interpretation. In effect this is the same graph as above, and can be used in a similar manner.
	This is a table from one of the many reports. The report summarizes buildup time, static sandface pressure, and Horner time.
	This report summarizes the results of the Horner - Pressure Squared analysis. The results include: reservoir permeability, skin effect, flow efficiency, effective wellbore radius, etc.
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