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Drilling Activity for Tuesday, August 25, 2009
Well: APS Cholla Pilot CO2 Well
Rig: Bearcat Rig 2
Activity: Drilling in Naco Formation
Drilling continued from 3,200 ft to 3,395 ft. Obtained borehole inclination survey at 3,250 ft (1 degree). Drilling continued from 3,395 ft to 3,415 ft.
Observations  
  • Daily activities summarized to 6:00 a.m. August 26.
  • Drilling Fluid Properties: Mud weight = 10.1 lb/gal; Plastic viscosity = 5 cp; Yield point = 15 lb/100 ft2; Filter loss = 4.0 cc/30 min.
  • Chlorides = 125,000 ppm; Solids = 4.0%.
  • Mud Loggers indicate 40% shale, 30% limestone, and 30% siltstone at 3,410 ft.
 
Drilling Activity for Wednesday, August 26, 2009
Well: APS Cholla Pilot CO2 Well
Rig: Bearcat Rig 2
Activity: Drilling in the Basement Formation

Drilling continued from 3,415 ft to 3,691 ft. at an average rate of penetration of 11.7 ft/hr.

Observations
  • Daily activities summarized to 6:00 a.m. on August 27.
  • Drilling Fluid Properties: Mud weight = 10.2 lb/gal; Plastic viscosity = 7 cp; Yield point = 19 lb/100 ft2; Filter loss = 3.9 cc/30 min.
  • Chlorides = 120,000 ppm; Solids = 4.2%.
  • Mud Loggers predict top of basement at 3,654 ft =/-; Samples are 60% granite wash, 20% shale and 20% limestone at 3,686 ft.

Drilling Activity Archive


 

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art Click to view more ino on Moenkopi Formation art 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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