Balnaves 1 - Otw
Balnaves 1 - Otw is a petroleum well in the Otway, South Australia, operated by Origin, drilled to a total depth of 2,874 m.
Well Information
Drilling Data
- Total Depth
- 2,874 m
- Datum Elevation
- 61.7 m
- Spud Date
- 27/05/2001
- Completion Date
- 24/06/2001
- Permit
- PEL 32
- Rig
- Rig 30
Location
- Latitude
- -37.4474
- Longitude
- 140.7045
Comments
Well has same name as Balnaves 1 in Carnarvon basin
Available Log Data
Borehole Geometry (3 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| DEVI | 840 m | 2869 m | 2029 m |
| HAZI | 840 m | 2869 m | 2029 m |
| P1AZ | 840 m | 2869 m | 2029 m |
Caliper (4 curves)
Borehole diameter measurements indicating hole condition and washout zones.
| Curve | Start | End | Interval |
|---|---|---|---|
| C1 | 848 m | 2869 m | 2020 m |
| C2 | 848 m | 2869 m | 2020 m |
| HDA1 | 840 m | 2869 m | 2029 m |
| HDAR | 848 m | 2865 m | 2016 m |
Chromato (5 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| ETHA | 845 m | 2873 m | 2028 m |
| IBUT | 1924 m | 2799 m | 874 m |
| METH | 630 m | 2874 m | 2243 m |
| NBUT | 2272 m | 2799 m | 527 m |
| PROP | 1877 m | 2874 m | 996 m |
Density (4 curves)
Bulk density measurements for porosity calculation and lithology identification.
| Curve | Start | End | Interval |
|---|---|---|---|
| HDRA | 851 m | 2869 m | 2018 m |
| HPRA | 851 m | 2869 m | 2018 m |
| PEFZ | 851 m | 2869 m | 2018 m |
| RHOZ | 851 m | 2869 m | 2018 m |
Dip and Scan (2 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| DDA | 861 m | 2865 m | 2004 m |
| DDIP | 861 m | 2865 m | 2004 m |
GR (4 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| ECG1 | 840 m | 2869 m | 2029 m |
| ECGR | 17 m | 2862 m | 2844 m |
| GR | 17 m | 2862 m | 2844 m |
| GR1 | 840 m | 2869 m | 2029 m |
Miscellaneous (4 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| DEPT | 17 m | 2871 m | 2853 m |
| DEPT | 17 m | 2874 m | 2857 m |
| SW | 851 m | 2869 m | 2018 m |
| VCL | 851 m | 2869 m | 2018 m |
Mudlog (2 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| ROP | 17 m | 2874 m | 2857 m |
| TGAS | 17 m | 2874 m | 2856 m |
Neutron (2 curves)
Porosity measurements derived from neutron or density tools, indicating reservoir storage capacity.
| Curve | Start | End | Interval |
|---|---|---|---|
| NPHI | 17 m | 2863 m | 2845 m |
| TNPH | 17 m | 2863 m | 2845 m |
Resistivity (8 curves)
Electrical resistivity logs used to evaluate fluid content and identify hydrocarbon-bearing zones.
| Curve | Start | End | Interval |
|---|---|---|---|
| HART | 851 m | 2871 m | 2019 m |
| HLLD | 851 m | 2871 m | 2019 m |
| HLLG | 851 m | 2871 m | 2019 m |
| HLLS | 851 m | 2871 m | 2019 m |
| HMIN | 851 m | 2869 m | 2018 m |
| HMNO | 851 m | 2869 m | 2018 m |
| HRM | 851 m | 2871 m | 2019 m |
| RXOZ | 851 m | 2869 m | 2018 m |
Sonic (2 curves)
Acoustic travel time logs used for porosity estimation and seismic calibration.
| Curve | Start | End | Interval |
|---|---|---|---|
| DT | 848 m | 2866 m | 2017 m |
| DTL | 848 m | 2866 m | 2017 m |
SP (1 curves)
Spontaneous potential logs measuring natural electrical potentials for permeability indication.
| Curve | Start | End | Interval |
|---|---|---|---|
| SP | 851 m | 2845 m | 1994 m |