WELL · 42-507-30129 · DISTRICT 1
Glasscock Leta #3
Zavala County · Leta (San Miguel) field · Vertical
Glasscock Leta #3 (API 42-507-30129) is a plugged well in Zavala County, plugged November 1, 2018, last operated by Trinity Operating (Usg) LLC.
The RRC has issued one drilling permit, issued September 18, 1987, permitted to 6,012 ft.
It was permitted by Winn Exploration/Dulce Company and has since transferred to Trinity Operating (Usg) LLC on the wellbore schedule.
Its lease has reported 5.21K barrels of oil and 7 mcf of gas since January 1993, last reporting in June 2023. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Winn Exploration/Dulce Company; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jan 28, 2026
- Permits on file
- 392
- Phone
- (713) 951-5309
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Trinity Operating (Usg) LLC |
| Production reports | Matador Production Companythrough Jun 2013 |
| Latest permit | Winn Exploration/Dulce CompanySep 18, 1987 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,012
- total depth, ft
- 1
- permits on file
- Sep 18, 1987
- last permit issued
- Jan 21, 1988
- completed
- 5.21K
- cumulative oil, bbl
- 7
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 2023
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 21, 1988
- Shut in
- —
- Plugged
- Nov 1, 2018
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; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Glasscock, Leta O-1-9912 | Leta (San Miguel) | Trinity Operating (Usg), LLC | 2 | 5.21K | 7 | Jan 1993 – Jun 2023 |
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.
- 1Winn Exploration Co., Inc.Jun 1994 → Oct 1994
- 2McDay Energy Corp.Nov 1994 → Nov 2010
- 3Matador Production CompanyJan 2011 → Jun 2013
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 336147-99 | Reenter | Winn Exploration/Dulce Company | Sep 18, 1987 | Sep 18, 1987 | — | 6,012 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-9912 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,379 | 5,411 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 215 | 12.25 | 155 S |
| 4.5 | 5,594 | 7.875 | 680 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 | Sep 14, 1989 | Aug 31, 1989 | — |
| 00 | Sep 8, 1989 | — | — |
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 42-507-30129 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-30129 → 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/50730129, documented in the API reference.