2,803
edits
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|-
|-
| Deep
| Deep
| 7ft
| 7 ft
| 50 in.
| 50 in.
| Estimate ''R''<sub>t</sub> , ''R''<sub>xo</sub> , and ''D''<sub>''i''</sub> in relatively fresh and oil mud systems
| Estimate ''R''<sub>t</sub> , ''R''<sub>xo</sub> , and ''D''<sub>''i''</sub> in relatively fresh and oil mud systems
|-
|-
| Medium
| Medium
| 5ft
| 5 ft
| 28 in.
| 28 in.
|
|
|-
|-
| Deep
| Deep
| 3ft
| 3 ft
| 65 in.
| 65 in.
| Estimate ''R''<sub>t</sub> , ''R''<sub>xo</sub> , and ''D''<sub>''i''</sub> in relatively fresh and oil mud systems; reduced shoulder effects
| Estimate ''R''<sub>t</sub> , ''R''<sub>xo</sub> , and ''D''<sub>''i''</sub> in relatively fresh and oil mud systems; reduced shoulder effects
|-
|-
| Medium
| Medium
| 3ft
| 3 ft
| 40 in.
| 40 in.
|
|
|-
|-
| Deep
| Deep
| 2ft
| 2 ft
| 45 in.
| 45 in.
| Estimate ''R''<sub>t</sub> , ''R''<sub>xo</sub> , and ''D''<sub>''i''</sub> in relatively salty mud
| Estimate ''R''<sub>t</sub> , ''R''<sub>xo</sub> , and ''D''<sub>''i''</sub> in relatively salty mud
|-
|-
| Shallow
| Shallow
| 2ft
| 2 ft
| 16 in.
| 16 in.
|
|
|-
|-
| Compensated neutron
| Compensated neutron
| 2ft
| 2 ft
| 10 in.
| 10 in.
| Estimate porosity and identify presence of gas
| Estimate porosity and identify presence of gas
|-
|-
| Sonic
| Sonic
| 2ft
| 2 ft
| Typically 6 in.
| Typically 6 in.
| Measure compressional velocity and estimate porosity
| Measure compressional velocity and estimate porosity
|-
|-
| FWS (monopole)
| FWS (monopole)
| 4ft
| 4 ft
| Typically 6 in.
| Typically 6 in.
| Measure compressional and shear velocities and estimate porosity
| Measure compressional and shear velocities and estimate porosity
|-
|-
| Dipole sonic
| Dipole sonic
| 4ft
| 4 ft
| Typically 12 in.
| Typically 12 in.
| Measure shear velocity
| Measure shear velocity