WELL · 42-491-30263 · DISTRICT 1
Stiles H. A. #4A
Williamson County · Thrall field · Vertical
Stiles H. A. #4A (API 42-491-30263) is a plugged well in Williamson County, plugged April 11, 2006, last operated by Thrall Operating Company Inc..
The RRC has issued one drilling permit, issued December 9, 1981, permitted to 1,000 ft.
It was permitted by Beren, I. B. and has since transferred to Thrall Operating Company Inc. on the wellbore schedule.
Completion filings report 2 formation tops, including Limestong (Fossiliferous), Serpentine.
Its lease has reported 20.1K barrels of oil and 18 mcf of gas since January 1993, last reporting in July 2026. The lease carries 21 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Beren, I. B.; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Feb 4, 2026 · 4 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Thrall Operating Company Inc. |
| Production reports | Thrall Operating Company, Inc.through Mar 2002 |
| Latest permit | Beren, I. B.Dec 9, 1981 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 1,000
- total depth, ft
- 1
- permits on file
- Dec 9, 1981
- last permit issued
- Feb 8, 1988
- completed
- 20.1K
- cumulative oil, bbl
- 18
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 8, 1988
- Shut in
- —
- Plugged
- Apr 11, 2006
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 21 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Stiles, H. A. O-1-1739 | Thrall | Thrall Operating Company, Inc. | 21 | 20.1K | 18 | 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.
- 1Beren, I. B.Feb 1993 → Apr 1993
- 2Thrall Operating Company, Inc.May 1993 → Mar 2002
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 143404-99 | Drill | Beren, I. B. | Dec 9, 1981 | Dec 9, 1981 | Feb 9, 1982 | 1,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-1739 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 484 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Limestong (Fossiliferous) | 901 | -417 |
| Serpentine | 906 | -422 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 901 | 921 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 107 | 12.25 | 75 S |
| 5.5 | 995 | 7.875 | 185 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 | May 22, 1992 | May 6, 1992 | Yes |
| 00 | May 12, 1992 | — | — |
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 42-491-30263 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-491-30263 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 49.3K
- bbl, last 12 reported months
- 320K
- bbl, all reported
- Jul 2001
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000078522 | H-1 Injection | Plugged May 15, 2006 | 250 | 0 | 901–921 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 49,290 · prior 12 49,360(0%)
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/49130263, documented in the API reference.