TEXAS · WELLS · FRIO COUNTY · API 42-163-33077 · DISTRICT 01
Avant J. R. -B- #4
Frio County · Pearsall (Austin Chalk) field · Horizontal
Avant J. R. -B- #4 (API 42-163-33077) is a plugged horizontal well in Frio County, plugged March 15, 2017, last operated by Texas American Resources Company.
The RRC has issued one drilling permit, issued June 12, 1991, permitted to 10,600 ft.
It was permitted by Oryx Energy Company and has since transferred to Texas American Resources Company on the wellbore schedule.
Completion filings report 3 formation tops, including Wilcox, 1st Lime, Anacacho.
Its 2 leases have reported 223K barrels of oil and 131K mcf of gas since January 1993, last reporting in May 2017. The leases carry 9 wells, so these are lease totals, not this well alone.
Operator of record
Texas American Resources Company
Permitted by Oryx Energy Company; the EWA schedule now lists a different operator.
- Based in
- Austin, TX
- P-5 status
- Active (A)
- P-5 last filed
- Dec 19, 2025
- Permits on file
- 552
- Phone
- (512) 480-8700
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Texas American Resources Company |
| Production reports | Texas American Resources Companythrough Apr 2016 |
| Latest permit | Oryx Energy CompanyJun 12, 1991 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,600
- total depth, ft
- 1
- permits on file
- Jun 12, 1991
- last permit issued
- Jul 15, 1991
- completed
- 223K
- cumulative oil, bbl
- 131K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH May 2017
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 15, 1991
- Shut in
- —
- Plugged
- Mar 15, 2017
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 9 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Avant, J. R. -B- O-1-12676 | Pearsall (Austin Chalk) | Texas American Resources Company | 7 | 223K | 131K | Jan 1993 – May 2017 |
| Avant, J. R. -B- O-1-14324 | Pearsall (Austin Chalk) | Sage Energy Company | 2 | 0 | 0 | Mar 2001 – Mar 2008 |
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 → Apr 2016
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 388917-99 | Drill | Oryx Energy Company | Jun 12, 1991 | Jun 12, 1991 | Jun 18, 1991 | 10,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jul 15, 1991 | Avant J. R. -B- O-1-12676 | Pearsall (Austin Chalk) | Texas American Resources Company | Plugged | — |
| Jul 15, 1991 | Avant J. R. -B- O-1-14324 | Pearsall (Austin Chalk) | Sage Energy Company | Plugged | — |
| Jul 15, 1991 | Avant J. R. -B- O-1-14324 | Pearsall (Austin Chalk) | Sage Energy Company | Plugged | — |
Formation tops
As filed on W-2/G-1. Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,900 | 10,331 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,015 | 17.5 | 750 S |
| 9.625 | 6,900 | 12.25 | 1,350 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 | Oct 8, 2001 | Aug 16, 1991 | Yes |
| 00 | Aug 20, 2001 | Aug 16, 1991 | Yes |
| 00 | Mar 1, 2001 | Aug 16, 1991 | Yes |
| 00 | Sep 6, 1991 | Aug 16, 1991 | 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 42-163-33077 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-163-33077 → 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/16333077, documented in the API reference.