Challis 02A
Challis 02A is a petroleum well in the Browse, Northern Territory, operated by BHP, drilled to a total depth of 1,750 m.
Well Information
Drilling Data
- Total Depth
- 1,750 m
- Datum Elevation
- 8.3 m
- Spud Date
- 27/01/1986
- Completion Date
- 16/03/1986
- Permit
- NT AC/P 4
Location
- Latitude
- -12.1213
- Longitude
- 125.0186
Comments
Well failed and then respudded as Challis 2A
Available Log Data
Caliper (1 curves)
Borehole diameter measurements indicating hole condition and washout zones.
| Curve | Start | End | Interval |
|---|---|---|---|
| CALI | 238 m | 1707 m | 1468 m |
Chromato (5 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| BUTA | 1402 m | 1414 m | 11 m |
| ETHA | 1275 m | 1750 m | 474 m |
| METH | 1178 m | 1750 m | 571 m |
| MTEM | 1103 m | 1725 m | 621 m |
| PROP | 1340 m | 1414 m | 74 m |
Density (4 curves)
Bulk density measurements for porosity calculation and lithology identification.
| Curve | Start | End | Interval |
|---|---|---|---|
| DRHO | 1126 m | 1709 m | 583 m |
| PEF | 1126 m | 1708 m | 582 m |
| RHGX | 1126 m | 1715 m | 589 m |
| RHOB | 1126 m | 1709 m | 583 m |
GR (6 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| CGR | 1103 m | 1699 m | 596 m |
| GR | 205 m | 1628 m | 1422 m |
| POTA | 1103 m | 1721 m | 618 m |
| SGR | 1103 m | 1699 m | 596 m |
| THOR | 1103 m | 1721 m | 618 m |
| URAN | 1103 m | 1721 m | 618 m |
Miscellaneous (2 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| DEPT | 205 m | 1725 m | 1519 m |
| DEPT | 113 m | 1750 m | 1637 m |
Mudlog (2 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| ROP | 113 m | 1750 m | 1636 m |
| TGAS | 1175 m | 1750 m | 574 m |
Neutron (1 curves)
Porosity measurements derived from neutron or density tools, indicating reservoir storage capacity.
| Curve | Start | End | Interval |
|---|---|---|---|
| NPHI | 1126 m | 1702 m | 575 m |
Resistivity (6 curves)
Electrical resistivity logs used to evaluate fluid content and identify hydrocarbon-bearing zones.
| Curve | Start | End | Interval |
|---|---|---|---|
| LLD | 238 m | 1725 m | 1486 m |
| LLG | 238 m | 1725 m | 1486 m |
| LLS | 238 m | 1725 m | 1486 m |
| MRES | 1103 m | 1725 m | 621 m |
| MSFC | 238 m | 1725 m | 1486 m |
| MSFL | 238 m | 1718 m | 1480 m |
Sonic (2 curves)
Acoustic travel time logs used for porosity estimation and seismic calibration.
| Curve | Start | End | Interval |
|---|---|---|---|
| DT | 238 m | 1633 m | 1394 m |
| DTL | 238 m | 1633 m | 1394 m |