Cobia 2
Cobia 2 is a petroleum well in the Gippsland, Victoria, operated by Esso BHP, drilled to a total depth of 2,498 m.
Well Information
Drilling Data
- Total Depth
- 2,498 m
- Datum Elevation
- 25.3 m
- Spud Date
- 02/05/1977
- Completion Date
- 24/05/1977
- Permit
- Vic/L5
- Rig
- Ocean Endeavour
Location
- Latitude
- -38.4588
- Longitude
- 148.3045
Available Log Data
Caliper (1 curves)
Borehole diameter measurements indicating hole condition and washout zones.
| Curve | Start | End | Interval |
|---|---|---|---|
| CALI | 222 m | 2502 m | 2280 m |
Chromato (5 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| BUTA | 972 m | 2395 m | 1423 m |
| ETHA | 345 m | 2433 m | 2088 m |
| METH | 244 m | 2497 m | 2253 m |
| PENT | 2388 m | 2395 m | 6 m |
| PROP | 969 m | 2433 m | 1464 m |
Density (2 curves)
Bulk density measurements for porosity calculation and lithology identification.
| Curve | Start | End | Interval |
|---|---|---|---|
| DRHO | 228 m | 2508 m | 2279 m |
| RHOB | 224 m | 2508 m | 2284 m |
GR (1 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| GR | 101 m | 2500 m | 2398 m |
Miscellaneous (2 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| DEPT | 101 m | 2508 m | 2407 m |
| DEPT | 244 m | 2497 m | 2253 m |
Mudlog (2 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| ROP | 253 m | 2497 m | 2244 m |
| TGAS | 244 m | 2497 m | 2253 m |
Neutron (1 curves)
Porosity measurements derived from neutron or density tools, indicating reservoir storage capacity.
| Curve | Start | End | Interval |
|---|---|---|---|
| NPHI | 874 m | 2502 m | 1627 m |
Resistivity (2 curves)
Electrical resistivity logs used to evaluate fluid content and identify hydrocarbon-bearing zones.
| Curve | Start | End | Interval |
|---|---|---|---|
| ILD | 229 m | 2499 m | 2270 m |
| SFL | 229 m | 2499 m | 2270 m |
Sonic (1 curves)
Acoustic travel time logs used for porosity estimation and seismic calibration.
| Curve | Start | End | Interval |
|---|---|---|---|
| DT | 226 m | 2494 m | 2268 m |
SP (1 curves)
Spontaneous potential logs measuring natural electrical potentials for permeability indication.
| Curve | Start | End | Interval |
|---|---|---|---|
| SP | 229 m | 2505 m | 2275 m |