Designing Wells to Optimize Performance and Efficiency - ICWT
Designing Wells to Optimize Performance and Efficiency - ICWT
Designing Wells to Optimize Performance and Efficiency - ICWT
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Specific Drawdown, s/Q<br />
0.080<br />
Well Development <strong>and</strong> Completion<br />
6-Jul-05<br />
• In this case the well was screened from 465 feet bgs <strong>to</strong><br />
7-Jul-05<br />
8-Jul-05<br />
0.070<br />
11-Jul-05<br />
795 feet bgs. Blank well casing was installed 12-Jul-05from<br />
13-Jul-05<br />
0.060<br />
ground surface <strong>to</strong> 465 feet bgs, <strong>and</strong> again from 795<br />
14-Jul-05<br />
Linear (8-Jul-05)<br />
0.050 feet bgs <strong>to</strong> 815 feet bgs.<br />
• Development that <strong>to</strong>ok place on this well over the<br />
0.040<br />
course of seven days.<br />
0.030<br />
Figure 10.8<br />
Development for Example Well<br />
Linear (8-Jul-05)<br />
Linear (11-Jul-05)<br />
Linear (12-Jul-05)<br />
Linear (14-Jul-05)<br />
Linear (14-Jul-05)<br />
• From this figure we see the well starts as a Type 1<br />
0.020<br />
development <strong>and</strong><br />
Trendlines<br />
transition in<strong>to</strong> a Type II <strong>and</strong> finally<br />
0.010 in<strong>to</strong> a Type III development.<br />
0.000<br />
0 500 1,000 1,500 2,000 2,500 3,000<br />
Discharge Rate, gpm<br />
38
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