WELL · 42-507-32481 · DISTRICT 1
Pfeiffer #2RE
Zavala County · Pearsall (Austin Chalk) field · Horizontal · Sidetrack
Pfeiffer #2RE (API 42-507-32481) is a plugged horizontal well in Zavala County, plugged August 30, 2023, last operated by Cml Exploration LLC.
The RRC has issued 3 drilling permits between 1993 and 1999, permitted to 8,000 ft.
It was permitted by Wcs Oil And Gas Corporation and has since transferred to Cml Exploration LLC on the wellbore schedule.
Completion filings report one formation top, including Austin Chalk.
Its 2 leases have reported 282K barrels of oil and 63.4K mcf of gas since January 1993, last reporting in October 2023. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by WCS Oil and Gas Corporation; the EWA schedule now lists a different operator.
- Based in
- Austin, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 20, 2025
- Permits on file
- 514
- Phone
- (512) 328-8085
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | CML Exploration, LLCthrough Mar 2023 |
| Latest permit | WCS Oil and Gas CorporationMar 12, 1999 |
- 8,000
- total depth, ft
- 3
- permits on file
- Mar 12, 1999
- last permit issued
- May 13, 1999
- completed
- 282K
- cumulative oil, bbl
- 63.4K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Oct 2023
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 13, 1999
- Shut in
- —
- Plugged
- Aug 30, 2023
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 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Pfeiffer O-1-14262 | Pearsall (Austin Chalk) | CML Exploration, LLC | 1 | 270K | 63.4K | May 1999 – Oct 2023 |
| Angela O-1-13390 | Pearsall (Austin Chalk) | Winn Exploration Co., Inc. | 2 | 11.9K | 10 | Jan 1993 – Aug 2003 |
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.
- 1Winn Exploration Co., Inc.Nov 1993 → Jun 1994
- 2WCS Oil and Gas CorporationMay 1999 → Apr 2005
- 3WCS Oil & Gas CorporationMay 2005 → Aug 2021
- 4Magnolia Oil & Gas Operating LLCSep 2021 → Feb 2022
- 5CML Exploration, LLCMar 2022 → Mar 2023
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 483263-99 | Reenter | WCS Oil and Gas Corporation | Mar 12, 1999 | Mar 12, 1999 | Apr 14, 1999 | 8,000 |
| 421292-99 | Recompletion · sidetrack | Winn Exploration Co., Inc. | Feb 18, 1994 | Feb 18, 1994 | — | 6,700 |
| 416614-99 | Drill | Winn Exploration Co., Inc. | Oct 1, 1993 | Oct 1, 1993 | Oct 3, 1993 | 7,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| May 13, 1999 | Pfeiffer O-1-14262 | Pearsall (Austin Chalk) | CML Exploration LLC | Plugged | — |
| Dec 15, 1994 | Angela O-1-13390 | Pearsall (Austin Chalk) | Winn Exploration Co. Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 606 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 5,817 | -5,211 |
| Austin Chalk | 6,143 | -5,537 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,570 | 6,266 | Perforated |
| 5,570 | 6,407 | Perforated |
| 5,570 | 9,365 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 758 | 14.75 | 310 S |
| 7 | 5,570 | 8.75 | 160 S |
| 7 | — | 8.75 | 380 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 | Aug 15, 2000 | May 24, 1999 | Yes |
| 00 | Aug 26, 1999 | — | — |
| 00 | Mar 23, 1994 | Feb 2, 1994 | Yes |
| 00 | Mar 14, 1994 | — | — |
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 42-507-32481 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-32481 → 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/50732481, documented in the API reference.