Challis 12
Challis 12 is a petroleum well in the Browse, Northern Territory, operated by BHP, drilled to a total depth of 1,719 m.
Well Information
- Well Name
- Challis 12
- Basin
- Browse
- State
- Northern Territory
- Classification
- FDSC
- Operator
- BHP
- Driller
- Sedco Forex
- Data Summary
- Partial WDS Available
Drilling Data
- Total Depth
- 1,719 m
- Datum Elevation
- 26.0 m
- Spud Date
- 21/07/1992
- Completion Date
- 05/08/1992
- Permit
- NT AC/L 3
- Rig
- Sedco 708
Location
- Latitude
- -12.1247
- Longitude
- 125.0024
Available Log Data
Caliper (2 curves)
Borehole diameter measurements indicating hole condition and washout zones.
| Curve | Start | End | Interval |
|---|---|---|---|
| CALI | 1031 m | 1705 m | 673 m |
| CALS | 533 m | 1712 m | 1179 m |
Chromato (2 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| MTE2 | 1029 m | 1706 m | 677 m |
| MTEM | 110 m | 1706 m | 1596 m |
Density (4 curves)
Bulk density measurements for porosity calculation and lithology identification.
| Curve | Start | End | Interval |
|---|---|---|---|
| DRHO | 1034 m | 1699 m | 664 m |
| LITH | 1034 m | 1718 m | 684 m |
| PEF | 1034 m | 1699 m | 664 m |
| RHOB | 1034 m | 1699 m | 664 m |
GR (2 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| GR | 110 m | 1691 m | 1581 m |
| GR1 | 1029 m | 1700 m | 671 m |
Miscellaneous (1 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| DEPT | 110 m | 1718 m | 1608 m |
Neutron (2 curves)
Porosity measurements derived from neutron or density tools, indicating reservoir storage capacity.
| Curve | Start | End | Interval |
|---|---|---|---|
| NPHI | 1034 m | 1709 m | 675 m |
| TNPH | 1034 m | 1709 m | 675 m |
Resistivity (8 curves)
Electrical resistivity logs used to evaluate fluid content and identify hydrocarbon-bearing zones.
| Curve | Start | End | Interval |
|---|---|---|---|
| LLD | 535 m | 1706 m | 1170 m |
| LLG | 535 m | 1706 m | 1170 m |
| LLS | 535 m | 1706 m | 1170 m |
| MRE2 | 1029 m | 1706 m | 677 m |
| MRES | 110 m | 1706 m | 1596 m |
| MSFC | 535 m | 1712 m | 1176 m |
| MSFL | 535 m | 1712 m | 1176 m |
| RT | 535 m | 1706 m | 1170 m |
Sonic (4 curves)
Acoustic travel time logs used for porosity estimation and seismic calibration.
| Curve | Start | End | Interval |
|---|---|---|---|
| DT | 1034 m | 1698 m | 664 m |
| DTL | 1034 m | 1698 m | 664 m |
| DTLF | 1034 m | 1698 m | 664 m |
| DTLN | 1034 m | 1698 m | 664 m |
SP (1 curves)
Spontaneous potential logs measuring natural electrical potentials for permeability indication.
| Curve | Start | End | Interval |
|---|---|---|---|
| SP | 535 m | 1697 m | 1161 m |