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| USGS Coastal Carolina Project |
Geophysics
The stratigraphic test hole at Elizabethtown was geophysically logged on two different days. The hole was logged using Century Geophysical Corporation model 9511A and model 8043A induction tools.
August 14, 2003
On the first logging day, August 14, 2003, the test hole was logged four times with the 9511A induction tool -- down and up the hole through the drill rod (casing), and again down and up the open hole. The total depth of the hole that day was 110 feet. Because logging in the up direction maintains cable tension, these two logs may provide more accurate depth readings. Also, because open-hole logging can produce more accurate results, the recommended log for analysis use is the one created up the open hole, not through the drill rod.
| Raw LAS Files | Down, through drill rod 90K Up, through drill rod 93K Down, open hole 4.5K Up, open hole 93K ReadMe file for these four LAS files |
August 22, 2003
On the second day of logging, August 22, 2003, geophysical logs were made to the total hole depth of 567 feet. The logs were made in an open hole using the 9511A and 8043A induction tools.
| Raw LAS Files | Down, open hole, 8043A tool 624K Up, open hole, 9511A tool 490K |
| Well | UTM x-coordinates | UTM y-coordinates | Latitude | Longitude | Depth of Log |
|---|---|---|---|---|---|
| Englehard | 953474 | 3941010 | 35.5109 | -76.00143 | 224.40 |
| OBX 09 | 70.30 | ||||
| OBX 10 | 990435 | 3979290 | 35.83697 | -75.57229 | (1) 181.80 (2) 213.50 |
| OBX 11 | 1001360 | 3952769 | 35.59336 | -75.46841 | 223.20 |
| OBX 12 | 1000740 | 3935710 | 35.44065 | -75.48573 | 73.60 |
| OBC 13 | 999360 | 3922490 | 35.32269 | -75.50894 | 63.40 |
| radar (Hyde County) | 952807 | 3939620 | 35.49872 | -76.00953 |
Well Logs (NAT-Gamma)
Englehard, 4/16/03, 224.40 feet (LAS file, 197KB)
OBX 09, 4/7/03, 70.30 feet (LAS file, 65KB)
OBX 10, 4/8/03, 181.80 feet (LAS file, 160KB)
OBX 10, 4/9/03, 213.50 feet (LAS file, 48KB)
OBX 11, 4/13/03, 223.20 feet (LAS file, 196KB)
OBX 12, 4/13/03, 73.60 feet (LAS file, 67KB)
OBX 13, 4/14/03, 63.40 feet (LAS file, 17KB)
Natural Gamma Logs (GIF, 32K)
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