WELL · 42-049-35142 · DISTRICT 7
Pierce #1
Brown County · Byler H (Marble Falls) field · Producing · Vertical
Pierce #1 (API 42-049-35142) is a well in Brown County operated by Otex LLC, completed April 14, 1989 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued March 10, 1989, permitted to 2,700 ft.
It was permitted by Expanding Energy Corporation and has since transferred to Otex LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Caddo, Marble Falls, Duffer.
Its lease has reported 3.37K barrels of oil and 53 mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Expanding Energy Corporation; the EWA schedule now lists a different operator.
Santa Anna, TX · P-5 Y, filed Oct 4, 2025 · (325) 977-1600
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Otex LLC |
| Production reports | Otex LLCthrough Apr 2026 |
| Latest permit | Expanding Energy CorporationMar 10, 1989 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,700
- total depth, ft
- 1
- permits on file
- Mar 10, 1989
- last permit issued
- Apr 14, 1989
- completed
- 3.37K
- cumulative oil, bbl
- 53
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 14, 1989
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 |
|---|---|---|---|---|---|---|
| Pierce O-8-25395 | Byler H (Marble Falls) | Otex LLC | 1 | 3.37K | 53 | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 8 · prior 12 8(+0%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Richey, Ray Management Co., Inc.Jan 1993 → Oct 1993
- 2Coleman & Johnson Oil CompanyMar 1994 → Mar 2000
- 3Hane Operating, Inc.Jun 2000 → Aug 2005
- 4WJH Energy, Inc.Sep 2005 → Feb 2016
- 5Santa Anna Operating Co I, LLCJun 2017 → Oct 2018
- 6Santa Anna Operating 3, LLCNov 2018 → Dec 2020
- 7Otex LLCNov 2021 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 356913-99 | Drill | Expanding Energy Corporation | Mar 10, 1989 | Mar 10, 1989 | — | 2,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-8-25395 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,577 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Caddo | 1,700 | -123 |
| Marble Falls | 2,300 | -723 |
| Duffer | 2,450 | -873 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,300 | 2,320 | Perforated |
| 2,328 | 2,336 | Perforated |
| 2,344 | 2,352 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 249 | 12.25 | 175 S |
| 4.5 | 2,456 | 7.875 | 260 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 | Jun 8, 1989 | May 9, 1989 | Yes |
| 00 | Jun 7, 1989 | — | — |
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 42-049-35142 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-049-35142 → 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/04935142, documented in the API reference.