WELL · 42-163-31937 · DISTRICT 1
Avant J.R. #D1
Frio County · Pearsall (Austin Chalk) field · Vertical
Avant J.R. #D1 (API 42-163-31937) is a plugged well in Frio County, plugged August 2, 1994, last operated by Trinity Operating (Usg) LLC.
The RRC has issued one drilling permit, issued January 27, 1981, permitted to 7,500 ft.
It was permitted by Hughey, W. R., Operating CO. and has since transferred to Trinity Operating (Usg) LLC on the wellbore schedule.
Its 2 leases have reported 605K barrels of oil and 386K mcf of gas since January 1993, last reporting in January 2026. The leases carry 11 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Hughey, W. R., Operating Co.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Nov 4, 2025 · 392 permits on file · (888) 510-9581
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Trinity Operating (Usg) LLC |
| Production reports | Trinity Operating (Usg), LLCthrough Feb 2020 |
| Latest permit | Hughey, W. R., Operating Co.Jan 27, 1981 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,500
- total depth, ft
- 1
- permits on file
- Jan 27, 1981
- last permit issued
- Jun 2, 1981
- completed
- 605K
- cumulative oil, bbl
- 386K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jan 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 2, 1981
- Shut in
- —
- Plugged
- Aug 2, 1994
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 2 leases this well is completed on; they carry 11 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Avant, J.R. O-1-12275 | Pearsall (Austin Chalk) | Trinity Operating (Usg), LLC | 9 | 605K | 386K | Jan 1993 – Jan 2026 |
| Avant, James Ross O-1-7077 | Pearsall (Austin Chalk) | Oryx Energy Company | 2 | 0 | 0 | Jan 1993 – Nov 1993 |
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.
- 1Oryx Energy CompanyJan 1993 → Mar 1999
- 2Kerr-McGee CorporationApr 1999 → Sep 1999
- 3Kerr-McGee Oil & Gas Onshore LLCOct 1999 → Jan 2003
- 4Texas American Resources CompanyFeb 2003 → Jan 2018
- 5Trinity Operating (Usg), LLCMar 2018 → Feb 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 106549-99 | Drill | Hughey, W. R., Operating Co. | Jan 27, 1981 | Jan 27, 1981 | — | 7,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-7077 | — | — | — | — |
| — | — O-1-12275 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,750 | 7,100 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 425 | 14.75 | 400 S |
| 2.875 | 6,610 | — | — |
| 7 | 6,750 | 9.875 | 275 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 | Aug 18, 1993 | Jun 15, 1981 | — |
| 00 | Jan 12, 1984 | Jun 15, 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 42-163-31937 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-163-31937 → 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/16331937, documented in the API reference.