WELL · 42-163-31887 · DISTRICT 1
Riggs E #2
Frio County · Pearsall (Austin Chalk) field · Vertical
Riggs E #2 (API 42-163-31887) is a plugged well in Frio County, plugged August 6, 2020, last operated by South Texas Operating Company.
The RRC has issued 2 drilling permits between 1980 and 2006, permitted to 6,500 ft.
It was permitted by U.S.A. Plugging Company and has since transferred to South Texas Operating Company on the wellbore schedule.
Completion filings report one formation top, including Austin Chalk.
Its 2 leases have reported 21.3K barrels of oil and 17.2K mcf of gas since January 1993, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by U.S.A. Plugging Company; the EWA schedule now lists a different operator.
San Antonio, TX · P-5 Y, filed Nov 4, 2025 · 18 permits on file · (210) 827-2509
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | South Texas Operating Company |
| Production reports | South Texas Operating Companythrough Apr 2018 |
| Latest permit | U.S.A. Plugging CompanyApr 24, 2006 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,500
- total depth, ft
- 2
- permits on file
- Apr 24, 2006
- last permit issued
- Sep 1, 2006
- completed
- 21.3K
- cumulative oil, bbl
- 17.2K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 1, 2006
- Shut in
- —
- Plugged
- Aug 6, 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 2 leases 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 |
|---|---|---|---|---|---|---|
| Riggs "E" O-1-14749 | Pearsall (Austin Chalk) | South Texas Operating Company | 1 | 19.3K | 9.33K | Oct 2006 – Jul 2026 |
| Riggs -E- O-1-6784 | Pearsall (Austin Chalk) | Exco Resources, Inc. | 1 | 2.06K | 7.9K | Jan 1993 – Oct 1998 |
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.
- 1Mineral Development, Inc.Jan 1993 → Dec 1995
- 2U.S.A. Plugging CompanyOct 2006 → Apr 2012
- 3South Texas Operating CompanyDec 2012 → Apr 2018
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 617692-99 | Reenter | U.S.A. Plugging Company | Apr 17, 2006 | Apr 24, 2006 | May 2, 2006 | 5,760 |
| 101267-99 | Drill | Crown Production Co., Inc. | Dec 8, 1980 | Dec 8, 1980 | — | 6,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-6784 | — | — | — | — |
| — | — O-1-14749 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,433 | 5,760 | Perforated |
| 5,433 | 5,760 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 355 | 12.25 | 175 S |
| 7 | 5,433 | 8.75 | 900 S |
| 5.5 | 5,433 | 8.75 | 900 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 | Mar 16, 2007 | Oct 17, 2006 | Yes |
| 00 | Nov 27, 2006 | — | — |
| 00 | Jan 12, 1984 | Mar 6, 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 42-163-31887 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-163-31887 → 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/16331887, documented in the API reference.