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• HB MONITOR WELL PAD (HB MWP) <br />L3 (Dissolution Surface Hydrology Test Well) (Figure 4-14) <br />• Drill 17" hole a minimum of 40 feet or until at least 5 feet of competent bedrock is <br />encountered. <br />• Run 113/4", 47#, J-55 Surface Casing. <br />• Cement with "Neat Cement" to surface. <br />• Rig up diverter and wait on cement a minimum of 4 hours. <br />• Drill out thru the surface casing with 10 5/8" diameter PDC bit. Advance drill hole to <br />1710 feet and circulate a minimum of 30 minutes. Run geophysical logs. <br />• Run 5 %2", 15.5#, J-55 casing with a float shoe. Mix and pump Type I or II cement via <br />tremie in multiple lifts. Wait on cement a minimum of 12 hrs. <br />• Trip in the hole with nominal 4 5/8" drill bit and drill to a Total Depth of 1770 feet. <br />• Circulate the hole for 30 minutes. <br />n <br />0 <br />35