WELL · 42-237-39473 · DISTRICT 9
Walker #S 1
Jack County · KRS (Marble Falls) field · Vertical
Walker #S 1 (API 42-237-39473) is a well in Jack County operated by Petrobal Omega 1 LLC, completed December 12, 2011.
The RRC has issued one drilling permit, issued September 21, 2011, permitted to 6,500 ft.
It was permitted by Swan PC, LP and has since transferred to Petrobal Omega 1 LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Marble Falls, Barnett, Ellenburg, Ellenburger.
Its 2 leases have reported 13.9K barrels of oil and 284K mcf of gas since December 2011, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Swan PC, LP; the EWA schedule now lists a different operator.
Little Elm, TX · P-5 Y, filed Mar 4, 2026 · 125 permits on file · (956) 832-9802
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Petrobal Omega 1 LLC |
| Production reports | Brigadier Operating, LLCthrough Jul 2015 |
| Latest permit | Swan PC, LPSep 21, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,500
- total depth, ft
- 1
- permits on file
- Sep 21, 2011
- last permit issued
- Dec 12, 2011
- completed
- 13.9K
- cumulative oil, bbl
- 284K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 12, 2011
- 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 2 leases 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 |
|---|---|---|---|---|---|---|
| Walker G-13-279620 | KRS (Marble Falls) | Eagleridge Operating, LLC | 1 | 0 | 1.13K | Apr 2015 – Jul 2026 |
| Walker O-13-32067 | KRS (Marble Falls) | Petrobal Omega 1, LLC | 1 | 13.9K | 283K | Dec 2011 – Sep 2019 |
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.
- 1Swan PC, LPDec 2011 → Nov 2012
- 2Brigadier Operating, LLCDec 2012 → Jul 2015
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 724172-99 | Drill | Swan PC, LP | Sep 14, 2011 | Sep 21, 2011 | Nov 15, 2011 | 6,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-13-279620 | — | — | — | — |
| — | — O-13-32067 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,268 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Marble Falls | 4,986 | -3,718 |
| BarnettBARNETT SHALE | 5,390 | -4,122 |
| Ellenburg | 5,570 | -4,302 |
| Ellenburger | 5,570 | -4,302 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,982 | 5,192 | Perforated |
| 4,986 | 5,206 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 481 | 12.25 | 300 S |
| 5.5 | 5,819 | 7.875 | 250 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 11, 2016 | Jul 28, 2015 | — |
| 00 | Jun 12, 2012 | Feb 21, 2012 | Yes |
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 42-237-39473 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-237-39473 → 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/23739473, documented in the API reference.