WELL · 42-021-31409 · DISTRICT 1
Riddle A #1A
Bastrop County · Bateman (Austin Chalk) field · Vertical
Riddle A #1A (API 42-021-31409) is a plugged well in Bastrop County, plugged February 7, 2020, last operated by Trinidad Petroleum Inc..
The RRC has issued one drilling permit, issued August 16, 1991, permitted to 2,400 ft.
It was permitted by Bostex Operating, Inc. and has since transferred to Trinidad Petroleum Inc. on the wellbore schedule.
Completion filings report 3 formation tops, including Dale Lime, Serpentine, Austin Chalk.
Its lease has reported 663 barrels of oil and 19 mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Bostex Operating, Inc.; the EWA schedule now lists a different operator.
Austin, TX · P-5 Y, filed Apr 5, 2019 · 6 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Trinidad Petroleum Inc. |
| Production reports | Trinidad Petroleum, Inc.through Oct 1995 |
| Latest permit | Bostex Operating, Inc.Aug 16, 1991 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,400
- total depth, ft
- 1
- permits on file
- Aug 16, 1991
- last permit issued
- Sep 28, 1991
- completed
- 663
- cumulative oil, bbl
- 19
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 28, 1991
- Shut in
- —
- Plugged
- Feb 7, 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 |
|---|---|---|---|---|---|---|
| Riddle "A" O-1-13260 | Bateman (Austin Chalk) | Trinidad Petroleum, Inc. | 1 | 663 | 19 | 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.
- 1Scully and Smith Oil CorporationJan 1993 → Apr 1993
- 2Main Street Royalty, Inc.Jun 1993 → Aug 1994
- 3Trinidad Petroleum, Inc.Sep 1994 → Sep 1994
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 390981-99 | Drill | Bostex Operating, Inc. | Aug 16, 1991 | Aug 16, 1991 | — | 2,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-13260 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 438 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Dale Lime | 2,172 | -1,734 |
| Serpentine | 2,190 | -1,752 |
| Austin Chalk | 2,208 | -1,770 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,174 | 2,184 | Perforated |
| 2,210 | 2,218 | Perforated |
| 2,234 | 2,248 | Perforated |
| 2,272 | 2,282 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 4.5 | 2,348 | 7.875 | 365 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 21, 1991 | Oct 15, 1991 | Yes |
| 00 | Oct 16, 1991 | — | — |
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 42-021-31409 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-021-31409 → 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/02131409, documented in the API reference.