Zema 1
Zema 1 is a petroleum well in the Otway, South Australia, operated by Ultramar, drilled to a total depth of 2,730 m.
Well Information
Drilling Data
- Total Depth
- 2,730 m
- Datum Elevation
- 57.7 m
- Spud Date
- 04/02/1992
- Completion Date
- 04/03/1992
- Permit
- PEL 32
- Rig
- Rig 2
Location
- Latitude
- -37.4138
- Longitude
- 140.6661
Available Log Data
Caliper (2 curves)
Borehole diameter measurements indicating hole condition and washout zones.
| Curve | Start | End | Interval |
|---|---|---|---|
| CALI | 856 m | 2591 m | 1734 m |
| CALS | 172 m | 2704 m | 2532 m |
Chromato (6 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| BUTA | 1680 m | 2609 m | 929 m |
| CO2 | 1159 m | 2594 m | 1434 m |
| ETHA | 1366 m | 2730 m | 1363 m |
| METH | 949 m | 2730 m | 1780 m |
| PENT | 2525 m | 2526 m | 1 m |
| PROP | 1387 m | 2724 m | 1336 m |
Density (3 curves)
Bulk density measurements for porosity calculation and lithology identification.
| Curve | Start | End | Interval |
|---|---|---|---|
| DRHO | 859 m | 2591 m | 1732 m |
| PEF | 858 m | 2591 m | 1732 m |
| RHOB | 852 m | 2591 m | 1739 m |
GR (7 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| CGR | 2300 m | 2586 m | 286 m |
| GR | 18 m | 2707 m | 2689 m |
| GR2 | 852 m | 1147 m | 295 m |
| POTA | 2300 m | 2584 m | 284 m |
| SGR | 1134 m | 2584 m | 1449 m |
| THOR | 2300 m | 2585 m | 285 m |
| URAN | 2300 m | 2585 m | 285 m |
Miscellaneous (2 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| DEPT | 18 m | 2727 m | 2708 m |
| DEPT | 15 m | 2730 m | 2714 m |
Mudlog (2 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| ROP | 15 m | 2730 m | 2714 m |
| TGAS | 949 m | 2730 m | 1780 m |
Neutron (1 curves)
Porosity measurements derived from neutron or density tools, indicating reservoir storage capacity.
| Curve | Start | End | Interval |
|---|---|---|---|
| NPHI | 1135 m | 2586 m | 1451 m |
Resistivity (4 curves)
Electrical resistivity logs used to evaluate fluid content and identify hydrocarbon-bearing zones.
| Curve | Start | End | Interval |
|---|---|---|---|
| LLD | 859 m | 2727 m | 1867 m |
| LLS | 859 m | 2726 m | 1867 m |
| MSFC | 174 m | 865 m | 691 m |
| MSFL | 174 m | 2711 m | 2537 m |
Sonic (1 curves)
Acoustic travel time logs used for porosity estimation and seismic calibration.
| Curve | Start | End | Interval |
|---|---|---|---|
| DT | 172 m | 2719 m | 2547 m |
SP (1 curves)
Spontaneous potential logs measuring natural electrical potentials for permeability indication.
| Curve | Start | End | Interval |
|---|---|---|---|
| SP | 859 m | 2705 m | 1845 m |