Laira 1
Laira 1 is a petroleum well in the Otway, South Australia, operated by Ultramar, drilled to a total depth of 3,003 m.
Well Information
Drilling Data
- Total Depth
- 3,003 m
- Datum Elevation
- 61.8 m
- Spud Date
- 28/10/1989
- Completion Date
- 09/12/1989
- Permit
- PEL 32
- Rig
- Rig 2
Location
- Latitude
- -37.4264
- Longitude
- 140.6746
Available Log Data
Caliper (2 curves)
Borehole diameter measurements indicating hole condition and washout zones.
| Curve | Start | End | Interval |
|---|---|---|---|
| CALI | 180 m | 2996 m | 2815 m |
| CALS | 1005 m | 2979 m | 1973 m |
Chromato (7 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| BUTA | 2779 m | 2789 m | 9 m |
| ETHA | 1833 m | 2682 m | 848 m |
| ETHA | 2631 m | 3000 m | 369 m |
| METH | 101 m | 2682 m | 2580 m |
| METH | 2529 m | 3003 m | 473 m |
| PROP | 2458 m | 2579 m | 121 m |
| PROP | 2679 m | 2915 m | 235 m |
Density (3 curves)
Bulk density measurements for porosity calculation and lithology identification.
| Curve | Start | End | Interval |
|---|---|---|---|
| DRHO | 1008 m | 2996 m | 1987 m |
| PEF | 1008 m | 2996 m | 1987 m |
| RHOB | 1008 m | 2996 m | 1987 m |
GR (6 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| CGR | 993 m | 2985 m | 1991 m |
| GR | 5 m | 2980 m | 2975 m |
| POTA | 993 m | 2985 m | 1991 m |
| SGR | 993 m | 2985 m | 1991 m |
| THOR | 993 m | 2985 m | 1991 m |
| URAN | 993 m | 2985 m | 1991 m |
Miscellaneous (3 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| DEPT | 5 m | 2996 m | 2990 m |
| DEPT | 21 m | 2682 m | 2660 m |
| DEPT | 2528 m | 3003 m | 474 m |
Mudlog (4 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| ROP | 21 m | 2682 m | 2660 m |
| ROP | 2528 m | 3003 m | 474 m |
| TGAS | 101 m | 2682 m | 2580 m |
| TGAS | 2529 m | 3003 m | 473 m |
Neutron (2 curves)
Porosity measurements derived from neutron or density tools, indicating reservoir storage capacity.
| Curve | Start | End | Interval |
|---|---|---|---|
| NPHI | 1008 m | 2996 m | 1987 m |
| TNPH | 1008 m | 2996 m | 1987 m |
Resistivity (5 curves)
Electrical resistivity logs used to evaluate fluid content and identify hydrocarbon-bearing zones.
| Curve | Start | End | Interval |
|---|---|---|---|
| LLD | 1008 m | 2994 m | 1986 m |
| LLG | 1008 m | 2994 m | 1986 m |
| LLS | 1008 m | 2994 m | 1986 m |
| MSFC | 1008 m | 2977 m | 1969 m |
| MSFL | 1008 m | 2977 m | 1969 m |
Sonic (4 curves)
Acoustic travel time logs used for porosity estimation and seismic calibration.
| Curve | Start | End | Interval |
|---|---|---|---|
| DT | 180 m | 2987 m | 2806 m |
| DTL | 1005 m | 2987 m | 1981 m |
| DTLF | 1005 m | 2987 m | 1981 m |
| DTLN | 1005 m | 2987 m | 1981 m |
SP (1 curves)
Spontaneous potential logs measuring natural electrical potentials for permeability indication.
| Curve | Start | End | Interval |
|---|---|---|---|
| SP | 1008 m | 2975 m | 1967 m |