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<br />. <br /> <br />. <br /> <br />. <br /> <br />installed to produce the required flows, Conceptually, this means that the original <br />pumping rate is reduced and simulation continues as if the cell of interest contains two <br />(or more) wells instead of the original single well. For two wells in a cell, the eHective <br />radius for each well would be less than that of the original single well concept. <br />Drawdown from the two conceptual wells can be thought of as distributed across the <br />area of the cell so that each well aHects han of the original cell, thus we can estimate a <br />new eHective radius for each of the two wells pumping at half of the original rate as: <br /> <br />re = {r1'/2)'''/4.81 <br /> <br />This gives us an eHective radius of 1164 feet for 2 wells in a cell. This distance is found <br />in column 41 for the radial flow setup used in the project. No Arapahoe aquifer <br />simulations required more than two wells in a single cell to meet the projected <br />production for the next 50 years. <br /> <br />This modeling methodotogy can be used to answer several types of questions <br />about multi-completion wells: <br /> <br />1. For a given regional water level and pumping rate, what is the pumping water <br />level in a single well? <br /> <br />2. For a constant pumping rate an a projected regional decline in water level over <br />time. when will additional wells be required to meet demand? <br /> <br />3. For given constant regional water level, what is the maximum pumping rate <br />which can be sustained from single well? <br /> <br />18 <br />