Tern 4
Tern 4 is a petroleum well in the Bonaparte, Western Australia, operated by Santos, drilled to a total depth of 2,700 m.
Well Information
Drilling Data
- Total Depth
- 2,700 m
- Datum Elevation
- 22.5 m
- Spud Date
- 23/10/1994
- Completion Date
- 28/11/1994
- Permit
- WA 18 R
- Rig
- Ocean Epoch
Location
- Latitude
- -13.2299
- Longitude
- 128.1060
Available Log Data
Other (1 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| DRH1 | 1101 m | 2699 m | 1598 m |
Caliper (3 curves)
Borehole diameter measurements indicating hole condition and washout zones.
| Curve | Start | End | Interval |
|---|---|---|---|
| CAL1 | 1100 m | 2699 m | 1599 m |
| CALI | 1100 m | 2699 m | 1599 m |
| CALS | 316 m | 2689 m | 2373 m |
Chromato (6 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| ETHA | 1520 m | 2699 m | 1179 m |
| IBUT | 2559 m | 2653 m | 93 m |
| METH | 652 m | 2699 m | 2047 m |
| MTEM | 316 m | 2699 m | 2383 m |
| NBUT | 2563 m | 2650 m | 87 m |
| PROP | 2396 m | 2699 m | 303 m |
Density (6 curves)
Bulk density measurements for porosity calculation and lithology identification.
| Curve | Start | End | Interval |
|---|---|---|---|
| DRHO | 1101 m | 2699 m | 1598 m |
| LITH | 1101 m | 2699 m | 1598 m |
| PEF | 1101 m | 2699 m | 1598 m |
| PEFL | 1101 m | 2699 m | 1598 m |
| RHO1 | 1102 m | 2699 m | 1597 m |
| RHOB | 1101 m | 2699 m | 1598 m |
GR (7 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| CGR | 1066 m | 2689 m | 1623 m |
| GR | 80 m | 2681 m | 2601 m |
| GRD | 1973 m | 2692 m | 719 m |
| POTA | 1066 m | 2689 m | 1623 m |
| SGR | 1066 m | 2689 m | 1623 m |
| THOR | 1066 m | 2689 m | 1623 m |
| URAN | 1066 m | 2689 m | 1623 m |
Miscellaneous (3 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| DEPT | 80 m | 2699 m | 2619 m |
| DEPT | 80 m | 2699 m | 2619 m |
| DEPT | 116 m | 2699 m | 2583 m |
Mudlog (4 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| ROP | 2021 m | 2698 m | 677 m |
| ROP | 117 m | 2699 m | 2582 m |
| TGAS | 656 m | 2699 m | 2043 m |
| WOB | 116 m | 2699 m | 2582 m |
Neutron (2 curves)
Porosity measurements derived from neutron or density tools, indicating reservoir storage capacity.
| Curve | Start | End | Interval |
|---|---|---|---|
| NPHI | 1101 m | 2699 m | 1598 m |
| TNPH | 1101 m | 2699 m | 1598 m |
Resistivity (7 curves)
Electrical resistivity logs used to evaluate fluid content and identify hydrocarbon-bearing zones.
| Curve | Start | End | Interval |
|---|---|---|---|
| LLD | 1103 m | 2682 m | 1579 m |
| LLS | 1103 m | 2682 m | 1579 m |
| MRES | 316 m | 2699 m | 2383 m |
| MSFL | 1103 m | 2689 m | 1586 m |
| SEWR | 1975 m | 2694 m | 719 m |
| SEXP | 1975 m | 2695 m | 720 m |
| TEMP | 1976 m | 2694 m | 718 m |
Sonic (4 curves)
Acoustic travel time logs used for porosity estimation and seismic calibration.
| Curve | Start | End | Interval |
|---|---|---|---|
| DT | 316 m | 2699 m | 2383 m |
| DTL | 316 m | 2699 m | 2383 m |
| DTLF | 316 m | 2699 m | 2383 m |
| DTLN | 316 m | 2699 m | 2383 m |
SP (1 curves)
Spontaneous potential logs measuring natural electrical potentials for permeability indication.
| Curve | Start | End | Interval |
|---|---|---|---|
| SP | 1103 m | 2676 m | 1573 m |