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Table T16. Measurements or observations used for core-log-seismic integration. (See table notes.)
|
Tool:
|
Core (MSCL) |
Core (discrete) |
LWD |
Wireline |
Zero-offset VSP |
Surface seismic |
|
Vertical resolution (m):
|
0.04–0.16 |
0.5–1 |
0.05–0.6 |
0.005–0.38 |
5–10 |
10–30 |
|
Measurement or observation:
|
Gamma ray |
|
Gamma ray |
Gamma ray |
|
|
|
Resistivity
|
Resistivity |
Resistivity |
Resistivity |
|
|
|
Density |
Density |
|
Density |
|
|
|
|
Porosity |
|
Porosity |
|
|
|
|
|
|
PEF |
|
|
|
VP |
VP |
|
VP , VS |
Check shot, VP |
VP |
|
Photo, 2-D/3-D X-ray CT |
|
RAB |
FMS |
|
|
|
|
|
|
|
Synthetic seismogram |
Key reflector |
Notes: MSCL = multisensor core logger, LWD = logging while drilling, VSP = vertical seismic profile. CT = computed tomography, RAB = resistivity-at-the-bit, PEF = photoelectric effect, FMS = Formation MicroScanner.
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