WELL · 42-163-32686 · DISTRICT 1
Wier #1
Frio County · Pearsall (Austin Chalk) field · Producing · Horizontal
Wier #1 (API 42-163-32686) is a horizontal well in Frio County operated by Aaronmark Services LLC, completed May 18, 1990 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued March 28, 1990, permitted to 9,500 ft.
It was permitted by Penwell Energy, Inc. and has since transferred to Aaronmark Services LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Wilcox, Olmos, San Miguel, Anacacho.
Its lease has reported 23K barrels of oil and 43 mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Penwell Energy, Inc.; the EWA schedule now lists a different operator.
New Braunfels, TX · P-5 Y, filed Sep 4, 2025 · (817) 201-8945
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Aaronmark Services LLC |
| Production reports | Aaronmark Services, LLCthrough Apr 2026 |
| Latest permit | Penwell Energy, Inc.Mar 28, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,500
- total depth, ft
- 1
- permits on file
- Mar 28, 1990
- last permit issued
- May 18, 1990
- completed
- 23K
- cumulative oil, bbl
- 43
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 18, 1990
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
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 |
|---|---|---|---|---|---|---|
| Wier O-1-12528 | Pearsall (Austin Chalk) | Aaronmark Services, LLC | 1 | 23K | 43 | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 778 · prior 12 819(-5%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Penwell Energy, Inc.Jan 1993 → Apr 1994
- 2Olmos Partners, Inc.Jul 1994 → Feb 1995
- 3Mr Operating, Inc.Mar 2000 → Jan 2002
- 4Northstar Energy, Inc.Aug 2002 → Jul 2005
- 5Wen-BEMar 2007 → Jul 2018
- 6WSMAug 2018 → Nov 2023
- 7WSM LLCDec 2023 → Jun 2025
- 8Aaronmark Services, LLCJul 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 371562-99 | Drill | Penwell Energy, Inc. | Mar 28, 1990 | Mar 28, 1990 | Apr 20, 1990 | 9,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-12528 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 523 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| WilcoxBASE WILCOX | 2,670 | -2,147 |
| Olmos | 3,990 | -3,467 |
| San Miguel | 4,410 | -3,887 |
| Anacacho | 4,892 | -4,369 |
| Austin Chalk | 5,187 | -4,664 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,264 | 8,774 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 715 | 14.75 | 460 S |
| 7 | 5,301 | 9.875 | 450 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 | Jul 6, 1990 | Jun 11, 1990 | Yes |
| 00 | Jun 26, 1990 | — | — |
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 42-163-32686 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-163-32686 → 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/16332686, documented in the API reference.