WELL · 42-371-39203 · DISTRICT 8
Leoncita 228 #1R
Pecos County · Wolfbone (Trend Area) field · Vertical
Leoncita 228 #1R (API 42-371-39203) is a plugged well in Pecos County, plugged July 21, 2020, last operated by Big Star LLC.
The RRC has issued one drilling permit (amended once), issued May 16, 2014, permitted to 12,000 ft.
It was permitted by Throne Petroleum Resources LLC and has since transferred to Big Star LLC on the wellbore schedule.
Completion filings report 12 formation tops, including Rustler, Delaware, Bone Spring, Wolfcamp.
Its lease has reported 275 barrels of oil since September 2014, last reporting in May 2021.
Operator of record
Permitted by Throne Petroleum Resources LLC; the EWA schedule now lists a different operator.
San Angelo, TX · P-5 Y, filed May 4, 2026 · (325) 234-8989
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Big Star LLC |
| Production reports | Throne Petroleum Resources LLCthrough Aug 2015 |
| Latest permit | Throne Petroleum Resources LLCMay 16, 2014 |
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
- 2
- permits on file
- May 16, 2014
- last permit issued
- Jul 16, 2015
- completed
- 275
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2014 THROUGH May 2021
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 16, 2015
- Shut in
- —
- Plugged
- Jul 21, 2020
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 |
|---|---|---|---|---|---|---|
| Leoncita 228 O-10-46410 | Wolfbone (Trend Area) | Big Star LLC | 1 | 275 | 0 | Sep 2014 – May 2021 |
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.
- 1Throne Petroleum Resources LLCSep 2014 → Aug 2015
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 787334-98 | Drill | Throne Petroleum Resources LLC | Oct 30, 2014 | May 16, 2014 | Jun 29, 2015 | 12,000 |
| 787334-99 | Drill | Throne Petroleum Resources LLC | May 16, 2014 | May 16, 2014 | May 22, 2014 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-46410 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,493 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Rustler | 632 | 2,861 |
| DelawareDELAWARE UNDIF. | 5,349 | -1,856 |
| Bone SpringBONE SPRINGS | 5,717 | -2,224 |
| Wolfcamp | 7,796 | -4,303 |
| Bone Spring1ST BONE SPRINGS | — | — |
| Bone Spring2ND BONE SPRINGS | — | — |
| Bone Spring3RD BONE SPRINGS | — | — |
| Glorieta | — | — |
| Grayburg | — | — |
| O'Brien | — | — |
| Rustler | — | — |
| Seven Rivers | — | — |
| Soma | — | — |
| Toborg | — | — |
| Tubb | — | — |
| Yates | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,589 | 7,930 | Perforated |
| 6,358 | 6,820 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,114 | 17.5 | 3,430 S |
| 9.625 | 1,758 | 12.25 | 1,180 S |
| 7 | 5,345 | 8.5 | 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 | Nov 17, 2015 | Oct 8, 2015 | Yes |
| 00 | Oct 5, 2015 | Aug 19, 2015 | — |
| 00 | Jul 10, 2015 | Oct 7, 2014 | 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 42-371-39203 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-39203 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/37139203, documented in the API reference.