WELL · 42-401-33337 · DISTRICT 6
Pierce Walter Gas Unit No. 1 #4
Rusk County · Oak Hill (Cotton Valley) field · Producing · Vertical
Pierce Walter Gas Unit NO. 1 #4 (API 42-401-33337) is a well in Rusk County operated by Tgnr East Texas II LLC, completed June 24, 2004 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued March 30, 2004, permitted to 12,000 ft.
It was permitted by Craton Energy Corporation and has since transferred to Tgnr East Texas II LLC on the wellbore schedule.
Completion filings report 6 formation tops, including Massive Anhydrite (marker), BMA, James Lime, Pettit.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Craton Energy Corporation; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Feb 4, 2026 · 162 permits on file · (844) 888-9546
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | TGNR East Texas II LLC |
| Production reports | TGNR East Texas II LLCthrough Apr 2026 |
| Latest permit | Craton Energy CorporationMar 30, 2004 |
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
- 1
- permits on file
- Mar 30, 2004
- last permit issued
- Jun 24, 2004
- completed
- 0
- cumulative oil, bbl
- 511K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2004 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 24, 2004
- 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 lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Pierce, Walter Gas Unit No. 1 G-6-203184 | Oak Hill (Cotton Valley) | TGNR East Texas II LLC | 1 | 0 | 511K | Jun 2004 – Jul 2026 |
Gas, mcf lease total
Last 12 months 10,369 · prior 12 12,476(-17%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Craton Energy CorporationJun 2004 → Jun 2005
- 2Dominion Expl. & Prod., Inc.Jul 2005 → Nov 2006
- 3Samson Lone Star LPDec 2006 → Jun 2007
- 4Samson Lone Star, LLCJul 2007 → Apr 2015
- 5Rockcliff Energy Operating LLCJun 2018 → Nov 2023
- 6TGNR East Texas II LLCDec 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 543751-99 | Drill | Craton Energy Corporation | Mar 26, 2004 | Mar 30, 2004 | May 20, 2004 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-6-203184 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 328 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Massive Anhydrite (marker)MASSIVE ANHYDRITE | 6,240 | -5,912 |
| BMA | 6,405 | -6,077 |
| James LimeJAMES | 6,880 | -6,552 |
| Pettit | 7,108 | -6,780 |
| Travis Peak | 7,396 | -7,068 |
| Cotton Valley | 9,000 | -8,672 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,428 | 10,704 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,630 | 11 | 600 S |
| 4.5 | 10,825 | 7.875 | 1,750 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 | Oct 18, 2004 | Jul 28, 2004 | Yes |
| 00 | Sep 8, 2004 | — | — |
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 42-401-33337 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-401-33337 → 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/40133337, documented in the API reference.