WELL · 42-021-31111 · DISTRICT 3
Winton/Barker #1
Bastrop County · Serbin (Taylor Sand) field · Producing · Vertical
Winton/Barker #1 (API 42-021-31111) is a well in Bastrop County operated by Trivista Operating LLC, completed November 8, 1987 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued October 15, 1987, permitted to 5,500 ft.
It was permitted by Minerals Of Texas, Inc. and has since transferred to Trivista Operating LLC on the wellbore schedule.
Completion filings report one formation top, including Taylor.
Its lease has reported 11.6K barrels of oil and 63 mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Minerals of Texas, Inc.; the EWA schedule now lists a different operator.
Giddings, TX · P-5 Y, filed Jul 4, 2026 · 3 permits on file · (979) 540-7335
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Trivista Operating LLC |
| Production reports | Trivista Operating LLCthrough Jan 2026 |
| Latest permit | Minerals of Texas, Inc.Oct 15, 1987 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,500
- total depth, ft
- 1
- permits on file
- Oct 15, 1987
- last permit issued
- Nov 8, 1987
- completed
- 11.6K
- cumulative oil, bbl
- 63
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 8, 1987
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: H
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 |
|---|---|---|---|---|---|---|
| Winton/Barker O-3-19950 | Serbin (Taylor Sand) | Trivista Operating LLC | 1 | 11.6K | 63 | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 23 · prior 12 185(-88%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1San Antonio Gas & Oil, Inc.Jan 1993 → Feb 2000
- 2Seay Oil & Gas, Ltd.Mar 2000 → Apr 2013
- 3Riley Exploration Opg Co, LLCMay 2013 → May 2017
- 4Trivista Operating LLCNov 2017 → Jan 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 337474-99 | Drill | Minerals of Texas, Inc. | Oct 15, 1987 | Oct 15, 1987 | — | 5,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-19950 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 397 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Taylor | 5,188 | -4,791 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,204 | 5,242 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 611 | 12.25 | — |
| 4.5 | 5,349 | 7.875 | — |
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 | Feb 3, 1988 | Dec 21, 1987 | Yes |
| 00 | Jan 23, 1988 | — | — |
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 42-021-31111 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-021-31111 → 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/02131111, documented in the API reference.