Helvellyn 1
Helvellyn 1 is a petroleum well in the Carnarvon, Western Australia, operated by BHP Billiton, drilled to a total depth of 1,776 m.
Well Information
- Well Name
- Helvellyn 1
- Basin
- Carnarvon
- State
- Western Australia
- Classification
- FEST
- Operator
- BHP Billiton
- Driller
- Transocean
- Data Summary
- Partial WDS Available
Drilling Data
- Total Depth
- 1,776 m
- Datum Elevation
- 26.4 m
- Spud Date
- 08/05/2007
- Completion Date
- 16/05/2007
- Permit
- WA 155P
- Rig
- Sedco 703
Location
- Latitude
- -21.4535
- Longitude
- 114.2520
Available Log Data
Borehole Geometry (2 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| DEVI | 799 m | 1751 m | 952 m |
| HAZI | 799 m | 1751 m | 952 m |
Caliper (2 curves)
Borehole diameter measurements indicating hole condition and washout zones.
| Curve | Start | End | Interval |
|---|---|---|---|
| HDAR | 910 m | 1749 m | 839 m |
| SHSI | 911 m | 1753 m | 842 m |
Chromato (12 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| ETHA | 926 m | 1776 m | 850 m |
| ETHA | 910 m | 1749 m | 839 m |
| IBUT | 926 m | 1776 m | 850 m |
| IPEN | 926 m | 1776 m | 850 m |
| MDOU | 202 m | 1776 m | 1574 m |
| METH | 926 m | 1776 m | 850 m |
| METH | 910 m | 1749 m | 839 m |
| MTIN | 202 m | 1776 m | 1574 m |
| MTOU | 202 m | 1776 m | 1574 m |
| NBUT | 926 m | 1776 m | 850 m |
| NPEN | 926 m | 1776 m | 850 m |
| PROP | 926 m | 1776 m | 850 m |
Density (10 curves)
Bulk density measurements for porosity calculation and lithology identification.
| Curve | Start | End | Interval |
|---|---|---|---|
| NUCL | 900 m | 1751 m | 850 m |
| SBD2 | 913 m | 1753 m | 840 m |
| SCO2 | 913 m | 1753 m | 840 m |
| SFB2 | 913 m | 1753 m | 840 m |
| SFLF | 900 m | 1751 m | 850 m |
| SNB2 | 913 m | 1753 m | 840 m |
| SNFA | 900 m | 1751 m | 850 m |
| SNLF | 900 m | 1751 m | 850 m |
| SNNA | 900 m | 1751 m | 850 m |
| SNP2 | 913 m | 1753 m | 840 m |
Dip and Scan (3 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| DPAZ | 914 m | 1739 m | 824 m |
| DPTR | 914 m | 1739 m | 824 m |
| QUAF | 914 m | 1746 m | 831 m |
GR (2 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| GR | 799 m | 1727 m | 928 m |
| SGRC | 200 m | 1766 m | 1565 m |
Logging Parameters (2 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| CS | 799 m | 1751 m | 952 m |
| TENS | 799 m | 1751 m | 952 m |
Miscellaneous (8 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| BITD | 202 m | 1776 m | 1574 m |
| BITD | 202 m | 1776 m | 1574 m |
| DEPTH | 926 m | 1776 m | 850 m |
| DEPTH | 200 m | 1776 m | 1576 m |
| DEPTH | 799 m | 1751 m | 952 m |
| DEPTH | 202 m | 1776 m | 1574 m |
| DEPTH | 799 m | 1751 m | 952 m |
| MFIN | 202 m | 1776 m | 1574 m |
Mudlog (12 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| BITH | 202 m | 1776 m | 1574 m |
| DXC | 202 m | 1776 m | 1574 m |
| MDIN | 202 m | 1776 m | 1574 m |
| PITV | 202 m | 1776 m | 1574 m |
| ROP | 202 m | 1776 m | 1574 m |
| ROTT | 202 m | 1776 m | 1574 m |
| RPM | 202 m | 1776 m | 1574 m |
| SPP | 202 m | 1776 m | 1574 m |
| SROP | 200 m | 1776 m | 1575 m |
| TGAS | 926 m | 1776 m | 850 m |
| TORQ | 202 m | 1776 m | 1574 m |
| WOB | 202 m | 1776 m | 1574 m |
Resistivity (8 curves)
Electrical resistivity logs used to evaluate fluid content and identify hydrocarbon-bearing zones.
| Curve | Start | End | Interval |
|---|---|---|---|
| GTEM | 799 m | 1751 m | 952 m |
| SDDE | 200 m | 1763 m | 1563 m |
| SEDP | 911 m | 1763 m | 852 m |
| SEMP | 911 m | 1763 m | 852 m |
| SESP | 911 m | 1763 m | 852 m |
| SEXP | 911 m | 1763 m | 852 m |
| SFXE | 925 m | 1763 m | 838 m |
| STEM | 925 m | 1764 m | 839 m |
Sonic (8 curves)
Acoustic travel time logs used for porosity estimation and seismic calibration.
| Curve | Start | End | Interval |
|---|---|---|---|
| DTCO1 | 908 m | 1733 m | 825 m |
| DTCO2 | 910 m | 1733 m | 823 m |
| DTCO3 | 910 m | 1733 m | 823 m |
| DTSH1 | 1143 m | 1705 m | 562 m |
| DTSH2 | 1185 m | 1733 m | 548 m |
| DTSH3 | 1066 m | 1733 m | 667 m |
| DTSH5 | 910 m | 1733 m | 823 m |
| DTSH6 | 910 m | 1733 m | 823 m |