WELL · 42-427-31385 · DISTRICT 4
Muston #1A
Starr County · Vertical
Muston #1A (API 42-427-31385) is a permitted well in Starr County filed by Navajo Exploration, Inc.; no completion report is on file yet.
The RRC has issued 2 drilling permits between 1980 and 1994, permitted to 4,504 ft.
Its lease has reported 9.81K barrels of oil and 3.55K mcf of gas since January 1993, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Corpus Christ, TX · P-5 Y, filed Feb 7, 2020 · 6 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Bryant - Chase Energy Corp.through Dec 2000 |
| Latest permit | Navajo Exploration, Inc.May 16, 1994 |
- 4,504
- total depth, ft
- 2
- permits on file
- May 16, 1994
- last permit issued
- —
- completed
- 9.81K
- cumulative oil, bbl
- 3.55K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
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 |
|---|---|---|---|---|---|---|
| Muston O-4-9704 | Rincon, West (3580 Sd.) | K-Ser-A Operating Co., Inc. | 2 | 9.81K | 3.55K | Jan 1993 – Jul 2026 |
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.
- 1Sue-Ann Production CompanyJan 1993 → Mar 1993
- 2Texas Fuel CompanyApr 1993 → Oct 1993
- 3Navajo Exploration, Inc.Nov 1993 → Dec 1994
- 4Bryant - Chase Energy Corp.Jan 1995 → Oct 2000
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 423835-99 | Recompletion | Navajo Exploration, Inc. | May 11, 1994 | May 16, 1994 | — | 3,786 |
| 70565-99 | Drill | Sue-Ann Operating Co. | Jan 22, 1980 | Jan 22, 1980 | — | 4,504 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-4-9704 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,594 | 3,604 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 352 | 13.5 | 325 S |
| 2.375 | 3,558 | — | — |
| 5.5 | 3,787 | 8.75 | 300 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 | Jan 12, 1984 | Jan 13, 1981 | — |
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 42-427-31385 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-427-31385 → 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/42731385, documented in the API reference.