WELL · 42-401-34943 · DISTRICT 6
Williamson Unit #14
Rusk County · Oak Hill (Cotton Valley) field · Producing · Vertical
Williamson Unit #14 (API 42-401-34943) is a well in Rusk County operated by Highmark Energy Operating LLC, completed November 5, 2009 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits (amended once) between 2008 and 2009, permitted to 12,000 ft.
It was permitted by Energen Resources Corporation and has since transferred to Highmark Energy Operating LLC on the wellbore schedule.
Completion filings report 6 formation tops, including T/Massive Anhydrite, Rodessa, James Lime, T/Travis Peak.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Energen Resources Corporation; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Dec 4, 2025 · 23 permits on file · (903) 876-2591
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Highmark Energy Operating LLC |
| Production reports | Highmark Energy Operating, LLCthrough Apr 2026 |
| Latest permit | Energen Resources CorporationOct 14, 2009 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 3
- permits on file
- Oct 14, 2009
- last permit issued
- Nov 5, 2009
- completed
- 0
- cumulative oil, bbl
- 355K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2009 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 5, 2009
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 |
|---|---|---|---|---|---|---|
| Williamson Unit G-6-248239 | Carthage, North (Bossier Shale) | Highmark Energy Operating, LLC | 1 | 0 | 27.4K | Mar 2009 – Jul 2026 |
| Williamson Unit G-6-255334 | Oak Hill (Cotton Valley) | Highmark Energy Operating, LLC | 1 | 0 | 328K | Nov 2009 – Jul 2026 |
Gas, mcf lease total
Last 12 months 11,196 · prior 12 12,780(-12%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Energen Resources CorporationMar 2009 → May 2014
- 2Highmark Energy Operating, LLCJun 2014 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 686119-99 | Recompletion | Energen Resources Corporation | Oct 13, 2009 | Oct 14, 2009 | Nov 2, 2009 | 12,000 |
| 672981-98 | Drill | Energen Resources Corporation | Nov 25, 2008 | Oct 17, 2008 | Dec 6, 2008 | 12,000 |
| 672981-99 | Drill | Energen Resources Corporation | Oct 13, 2008 | Oct 17, 2008 | Dec 6, 2008 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-6-248239 | — | — | — | — |
| — | — G-6-255334 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 324 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| T/Massive Anhydrite | 5,700 | -5,376 |
| Rodessa | 6,100 | -5,776 |
| James LimeJAMES | 6,460 | -6,136 |
| T/Travis Peak | 7,050 | -6,726 |
| Upper CV Sands | 9,050 | -8,726 |
| BossierBOSSIER SHALE | 10,520 | -10,196 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,228 | 10,524 | Perforated |
| 11,390 | 11,584 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 360 | 12.25 | 755 S |
| 9.625 | 1,800 | 12.25 | 755 S |
| 4.5 | 11,676 | 8.75 | 2,287 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 | Jun 14, 2010 | Dec 22, 2009 | — |
| 00 | Apr 15, 2010 | — | — |
| 00 | Aug 4, 2009 | Jun 12, 2009 | Yes |
| 00 | Jun 18, 2009 | — | — |
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 42-401-34943 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-401-34943 → 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/40134943, documented in the API reference.