TEXAS · WELLS · HARRISON COUNTY · VAUGHAN GU 1 LEASE · API 42-203-34895 · DISTRICT 06
Vaughan GU 1 #4HR
Harrison County · Carthage (Haynesville Shale) field · Producing · Horizontal
Vaughan GU 1 #4HR (API 42-203-34895) is a horizontal well in Harrison County operated by Tgnr East Texas II LLC, completed December 28, 2010 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended twice), issued December 1, 2009, permitted to 10,832 ft.
It was permitted by Samson Lone Star, LLC and has since transferred to Tgnr East Texas II LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Massive Anhydrite (marker), James Lime, Pettit, Travis Peak.
Its lease has reported 1.43K barrels of oil and 2.83M mcf of gas since March 2010, last reporting volume in April 2026.
Operator of record
Permitted by Samson Lone Star, LLC; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Mar 18, 2026
- Permits on file
- 162
- Phone
- (346) 308-2250
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 | Samson Lone Star, LLCDec 1, 2009 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,832
- total depth, ft
- 3
- permits on file
- Dec 1, 2009
- last permit issued
- Dec 28, 2010
- completed
- 1.43K
- cumulative oil, bbl
- 2.83M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2010 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 28, 2010
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 |
|---|---|---|---|---|---|---|
| Vaughan GU 1 G-6-255493 | Carthage (Haynesville Shale) | TGNR East Texas II LLC | 1 | 1.43K | 2.83M | Mar 2010 – Apr 2026 |
Gas, mcf lease total
Last 12 months 24,905 · prior 12 30,270(-18%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Samson Lone Star, LLCMar 2010 → Sep 2017
- 2Rockcliff Energy Operating LLCOct 2017 → Nov 2023
- 3TGNR East Texas II LLCDec 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 688036-97 | Drill | Samson Lone Star, LLC | Apr 13, 2010 | Dec 1, 2009 | Jan 7, 2010 | 12,000 |
| 688036-98 | Drill | Samson Lone Star, LLC | Dec 4, 2009 | Dec 1, 2009 | Jan 7, 2010 | 12,000 |
| 688036-99 | Drill | Samson Lone Star, LLC | Nov 30, 2009 | Dec 1, 2009 | — | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 28, 2010 | Vaughan GU 1 G-6-255493 | Carthage (Haynesville Shale) | TGNR East Texas II LLC | Producing | 10,832 |
Formation tops
As filed on W-2/G-1. Subsea from 295 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Massive Anhydrite (marker)MASSIVE ANHYDRITE | 4,750 | -4,455 |
| James Lime | 5,523 | -5,228 |
| PettitPETTET | 5,816 | -5,521 |
| Travis Peak | 6,119 | -5,824 |
| Haynesville | 10,689 | -10,394 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,042 | 15,428 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,560 | 13.5 | 621 S |
| 5.5 | 10,329 | 6.5 | 800 S |
| 7.625 | 10,551 | 9.875 | 1,500 S |
| 4.5 | 15,660 | — | — |
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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Dec 16, 2011 | Apr 15, 2011 | — |
| 00 | May 4, 2010 | Apr 15, 2010 | 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 42-203-34895 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-203-34895 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/20334895, documented in the API reference.