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Drilling Activity for August 7, 2009
Well: APS Cholla Pilot CO2 Well
Rig: WDC Rig 161
Activity: Drilling 12-1/4" Surface Hole
Drilling progressed from 752 ft to 862 ft at an average rate of penetration (ROP) of 4.9 ft/hr. A total of 1.5 hours were incurred repairing the rig (leak on the discharge tank and broken top ring on kelly bushing).
Observations  
  • Daily activities summarized to 6:00 am August 8.  
  • Drilling measurements are referenced from the kelly bushing (KB) of Bearcat drilling rig (12 ft above grade level).
  • Conductor pipe: 14" OD, set at 47 ft below the KB.
  • Mud loggers picked top of Schnebly Hill formation at 608 ft.
  • Water losses to formation: 400 bbl/24 hrs; Cumulative: 2370 bbl
 
Drilling Activity for August 8, 2009
Well: APS Cholla Pilot CO2 Well
Rig: WDC Rig 161
Activity: Drilling 12-1/4" Surface Hole
Drilling progressed from from 862 ft to 956 ft at an average(rate of penetration (ROP) of 3.9 ft/hr.
Observations
  • Daily activities summarized to 6:00 am August 9.
  • Drilling measurements are referenced from the kelly bushing (KB) of Bearcat drilling rig 12 ft above ground level (grade level).
  • Conductor pipe: 14" OD, set at 47 ft below the KB
  • Montgomery & Associates representative picks top of Supai formation at 908 ft.
  • Water losses to formation: 490 bbl/24 hrs; Cumulative: 2860 bbl

Drilling Activity Archive


 

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click here to review an introduction to geologic formations click for more information about Moenkopi Formation click for more info about Moenkopi Formation click for more info on Supai Formation click for more info on Naco Formation click for more info about Martin Formation

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