.... Porosity, Permeability) can be calibrated by doubling the range while anchoring in the central tendency of the estimates. The process was applied to survey results a la Capen (1976) and showed an increased confidence in the estimate from 34% to 72%. risk management forecasting Capen Artificial...

... the surface flowing wellhead pressure (also taking into account frictional losses). Utilizing this method allows Saudi Aramco to monitor water production in the field and then to verify it with actual water samples whenever the data becomes available. saudi arabia government forecasting production...