TEXAS · WELLS · WEBB COUNTY · UNION RANCH STATE GU LEASE · API 42-479-38157 · DISTRICT 04
Union Ranch State GU #1
Webb County · Tiffany (Wilcox Carrizo) field · Producing · Vertical
Union Ranch State GU #1 (API 42-479-38157) is a well in Webb County operated by Mountain V Texas LLC, completed August 30, 2002 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued July 8, 2002, permitted to 12,800 ft.
It was permitted by Eog Resources, Inc. and has since transferred to Mountain V Texas LLC on the wellbore schedule.
Completion filings report 6 formation tops, including Top Of Rosenberg, Top Of Bruni, Queen City, Wilcox.
Its lease has reported 20.1K barrels of oil and 3.5M mcf of gas since August 2002, last reporting volume in April 2026.
Operator of record
Permitted by EOG Resources, Inc.; the EWA schedule now lists a different operator.
- Based in
- Buckhannon, WV
- P-5 status
- Active (A)
- P-5 last filed
- Sep 11, 2025
- Phone
- (304) 842-6320
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Mountain V Texas LLC |
| Production reports | Mountain V Texas, LLCthrough Apr 2026 |
| Latest permit | EOG Resources, Inc.Jul 8, 2002 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,800
- total depth, ft
- 2
- permits on file
- Jul 8, 2002
- last permit issued
- Aug 30, 2002
- completed
- 20.1K
- cumulative oil, bbl
- 3.5M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2002 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 30, 2002
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
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 |
|---|---|---|---|---|---|---|
| Union Ranch State GU G-4-190647 | Tiffany (Wilcox Carrizo) | Mountain V Texas, LLC | 1 | 20.1K | 3.5M | Aug 2002 – Apr 2026 |
Gas, mcf lease total
Last 12 months 31,887 · prior 12 32,633(-2%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1EOG Resources, Inc.Aug 2002 → Aug 2016
- 2Smith Production Inc.Sep 2016 → Mar 2026
- 3Mountain V Texas, LLCApr 2026 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 521657-98 | Drill | EOG Resources, Inc. | Jul 9, 2002 | Jul 8, 2002 | Jul 23, 2002 | 13,000 |
| 521657-99 | Drill | EOG Resources, Inc. | Jul 8, 2002 | Jul 8, 2002 | — | 12,050 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Aug 30, 2002 | Union Ranch State GU G-4-190647 | Tiffany (Wilcox Carrizo) | Mountain V Texas LLC | Producing | 12,800 |
Formation tops
As filed on W-2/G-1. Subsea from 646 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Top of Rosenberg | 2,835 | -2,189 |
| Top of Bruni | 3,275 | -2,629 |
| Queen CityTOP OF QUEEN CITY | 5,245 | -4,599 |
| WilcoxTOP OF WILCOX | 7,474 | -6,828 |
| Top of LWR Wilcox | 10,500 | -9,854 |
| Top of Lobo Unc. | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,198 | 11,332 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 484 | 12.25 | 205 S |
| 7 | 10,007 | 8.25 | 310 S |
| 4.5 | 11,145 | 6.125 | 202 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. 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 | Jun 27, 2003 | May 16, 2003 | — |
| 00 | Oct 21, 2002 | Sep 19, 2002 | Yes |
| 00 | Oct 1, 2002 | — | — |
Well logs
The RRC's map lists this well among those with logs online. Its monthly inventories loaded here, which start in July 2006, list none for it, so none are itemized.
Open the RRC's log search for this well ↗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 42-479-38157 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-38157 → scanned completion filings
The logs loaded for this well are under Well logs, with the RRC's log search 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/47938157, documented in the API reference.