WELL · 42-279-30365 · DISTRICT 8
Twilley #1
Lamb County · Horizontal
Twilley #1 (API 42-279-30365) is a permitted horizontal well in Lamb County filed by Occidental Permian Ltd.; no completion report is on file yet.
The RRC has issued 3 drilling permits (amended twice) between 2002 and 2016, permitted to 7,500 ft.
Completion filings report 3 formation tops, including Yates, San Andres, Clear Fork.
Its lease has reported 80.5K barrels of oil and 17.4K mcf of gas since March 2003, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Dec 4, 2025 · 6,251 permits on file · (713) 215-7000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Occidental Permian Ltd.through Jul 2018 |
| Latest permit | Occidental Permian Ltd.Mar 18, 2016 |
- 7,500
- total depth, ft
- 5
- permits on file
- Mar 18, 2016
- last permit issued
- —
- completed
- 80.5K
- cumulative oil, bbl
- 17.4K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2003 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Twilley A O-11-68544 | Anton-Irish (Wolfcamp) | Occidental Permian Ltd. | 2 | 80.5K | 17.4K | Mar 2003 – Jul 2026 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Occidental Permian Ltd.May 2003 → Oct 2017
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 814377-98 | Recompletion | Occidental Permian Ltd. | Jul 6, 2016 | Mar 18, 2016 | — | 6,700 |
| 814377-99 | Recompletion | Occidental Permian Ltd. | Mar 14, 2016 | Mar 18, 2016 | — | 6,700 |
| 610716-99 | Recompletion | Occidental Permian Ltd. | Dec 8, 2005 | Dec 9, 2005 | — | 7,500 |
| 523008-98 | Drill | Occidental Permian Ltd. | Jan 28, 2003 | Aug 22, 2002 | — | 7,500 |
| 523008-99 | Drill | Occidental Permian Ltd. | Aug 21, 2002 | Aug 22, 2002 | Sep 1, 2002 | 7,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-68544 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,442 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 1,900 | 1,542 |
| San Andres | 3,900 | -458 |
| Clear ForkCLEARFORK | 5,300 | -1,858 |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,602 | 12.25 | 830 S |
| 5.5 | 6,685 | 7.875 | 350 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Apr 3, 2017 | Feb 21, 2017 | — |
| 00 | Nov 19, 2009 | Feb 4, 2008 | Yes |
| 00 | Apr 28, 2003 | Mar 28, 2003 | Yes |
| 00 | Apr 8, 2003 | — | — |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-279-30365 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-279-30365 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/27930365, documented in the API reference.