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Drilling Activity for August 1, 2009
Well: APS Cholla Pilot Test Well
Rig: WDC Rig 161
Activity: Drilling
Drilling progressed from 71 ft to 146 ft. An inclination survey was conducted (1/4 deg at 146 ft). Drilling progressed from 146 ft to 195 ft.
Observations  
  • Daily activities summarized to 6:00 am.
  • 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
  • Drilling Mud loggers indicate 10% anhydrite, 40% shale, 50% sand (Moenkopi formation).
  • Minimal water losses to formation.
 
Drilling Activity for August 2, 2009
Well: APS Cholla Pilot CO2 Test Well
Rig: WDC Rig 161
Activity: Drilling
Drilling progressed from 195 ft to 264 ft at average rate of penetration (ROP) of 6 ft/hr.  Top of Coconino formation was picked by mud logger at 200 ft.  An inclination survey was conducted at 264 ft (0 degree hole angle). Drilling progressed from 264 ft to 375 ft at average ROP of 9.2 ft/hr
Observations
  • Daily activities summarized to 6:00 am.
  • 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 indicate 100% sand (Coconino formation).
  • Slight water losses to formation.

Drilling Activity

July 31, 2009


 

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art Click to view more ino on Moenkopi Formation art art
Click to view more info on Coconino Sandstone art
click to view info on Supai Formation art
click to view info about Naco Formation art
Click to view info about Martin Formation art
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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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