Opah 1
Opah 1 is a petroleum well in the Gippsland, Victoria, operated by Esso BHP, drilled to a total depth of 2,502 m.
Well Information
Drilling Data
- Total Depth
- 2,502 m
- Datum Elevation
- 25.3 m
- Spud Date
- 26/02/1977
- Completion Date
- 15/03/1977
- Permit
- L5
- Rig
- Ocean Endeavour
Location
- Latitude
- -38.5291
- Longitude
- 148.2785
Available Log Data
Caliper (1 curves)
Borehole diameter measurements indicating hole condition and washout zones.
| Curve | Start | End | Interval |
|---|---|---|---|
| CALI | 221 m | 2489 m | 2268 m |
Chromato (5 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| BUTA | 2407 m | 2488 m | 81 m |
| ETHA | 2407 m | 2501 m | 93 m |
| METH | 280 m | 2501 m | 2220 m |
| PENT | 2410 m | 2488 m | 77 m |
| PROP | 2407 m | 2490 m | 82 m |
Density (2 curves)
Bulk density measurements for porosity calculation and lithology identification.
| Curve | Start | End | Interval |
|---|---|---|---|
| DRHO | 231 m | 2488 m | 2256 m |
| RHOB | 231 m | 2487 m | 2255 m |
GR (1 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| GR | 93 m | 2481 m | 2387 m |
Miscellaneous (2 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| DEPT | 93 m | 2491 m | 2397 m |
| DEPT | 280 m | 2501 m | 2220 m |
Mudlog (2 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| ROP | 280 m | 2501 m | 2220 m |
| TGAS | 280 m | 2501 m | 2220 m |
Neutron (1 curves)
Porosity measurements derived from neutron or density tools, indicating reservoir storage capacity.
| Curve | Start | End | Interval |
|---|---|---|---|
| NPHI | 882 m | 2480 m | 1598 m |
Resistivity (2 curves)
Electrical resistivity logs used to evaluate fluid content and identify hydrocarbon-bearing zones.
| Curve | Start | End | Interval |
|---|---|---|---|
| ILD | 231 m | 2487 m | 2255 m |
| SFL | 231 m | 2484 m | 2252 m |
Sonic (1 curves)
Acoustic travel time logs used for porosity estimation and seismic calibration.
| Curve | Start | End | Interval |
|---|---|---|---|
| DT | 228 m | 2490 m | 2262 m |
SP (1 curves)
Spontaneous potential logs measuring natural electrical potentials for permeability indication.
| Curve | Start | End | Interval |
|---|---|---|---|
| SP | 231 m | 2491 m | 2259 m |