Tool
|
Measurement
|
Approximate
vertical resolution (cm) |
---|---|---|
ADN | Bulk densityPorosity | 15 |
|
30 | |
RAB | Resistivity-at-the-bitGamma ray | 5-8 |
|
46 | |
MWD | Drilling parameters-at-the-bit | NA |
Notes: All tool names are trademarks of Schlumberger. See Table T6 for explanations of acronyms used to describe the tools. For additional information about tool physics and use consult ODP Logging Services at www.ldeo.columbia.edu/BRG/ODP. NA = not applicable.