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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 |
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- 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.
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| 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.
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Drilling Activity Archive |
- July 31, 2009
- August 1-2, 2009
- August 3-4, 2009
- August 5-6, 2009
- August 7-8, 2009
- August 9-10, 2009
- August 11-12, 2009
- August 13-14, 2009
- August 15-16, 2009
- August 17-18, 2009
- August 19-20, 2009
- August 21-22, 2009
- August 23-24, 2009
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