North Herald 1
North Herald 1 is a petroleum well in the Carnarvon, Western Australia, operated by MESA, drilled to a total depth of 2,600 m.
Well Information
- Well Name
- North Herald 1
- Basin
- Carnarvon
- State
- Western Australia
- Classification
- FEST
- Operator
- MESA
- Driller
- Global Marine
- Data Summary
- Partial WDS Available
Drilling Data
- Total Depth
- 2,600 m
- Datum Elevation
- 27.4 m
- Spud Date
- 21/05/1983
- Completion Date
- 29/06/1983
- Permit
- WA 149 P
- Rig
- Main Pass III
Location
- Latitude
- -21.1754
- Longitude
- 115.2670
Available Log Data
Caliper (1 curves)
Borehole diameter measurements indicating hole condition and washout zones.
| Curve | Start | End | Interval |
|---|---|---|---|
| CALI | 400 m | 2599 m | 2199 m |
Density (3 curves)
Bulk density measurements for porosity calculation and lithology identification.
| Curve | Start | End | Interval |
|---|---|---|---|
| DRHO | 927 m | 2605 m | 1678 m |
| PEF | 927 m | 2605 m | 1678 m |
| RHOB | 927 m | 2605 m | 1678 m |
GR (4 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| GR | 47 m | 2597 m | 2550 m |
| POTA | 927 m | 2589 m | 1662 m |
| THOR | 927 m | 2589 m | 1662 m |
| URAN | 927 m | 2589 m | 1662 m |
Miscellaneous (1 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| DEPTH | 47 m | 2608 m | 2561 m |
Neutron (2 curves)
Porosity measurements derived from neutron or density tools, indicating reservoir storage capacity.
| Curve | Start | End | Interval |
|---|---|---|---|
| NPHI | 927 m | 2605 m | 1678 m |
| NRAT | 923 m | 2606 m | 1683 m |
Resistivity (3 curves)
Electrical resistivity logs used to evaluate fluid content and identify hydrocarbon-bearing zones.
| Curve | Start | End | Interval |
|---|---|---|---|
| LLD | 401 m | 2599 m | 2198 m |
| LLS | 401 m | 2599 m | 2198 m |
| MSFL | 401 m | 2601 m | 2200 m |
Sonic (2 curves)
Acoustic travel time logs used for porosity estimation and seismic calibration.
| Curve | Start | End | Interval |
|---|---|---|---|
| DT | 397 m | 2597 m | 2200 m |
| TT1 | 47 m | 2608 m | 2561 m |
SP (1 curves)
Spontaneous potential logs measuring natural electrical potentials for permeability indication.
| Curve | Start | End | Interval |
|---|---|---|---|
| SP | 401 m | 2592 m | 2191 m |