WELL · 42-283-31413 · DISTRICT 1
Wintershall-Gerke Unit A #1
LA Salle County · Pearsall (Austin Chalk) field · Producing · Horizontal
Wintershall-Gerke Unit A #1 (API 42-283-31413) is a horizontal well in La Salle County operated by FW Eagle Ford I LLC, completed March 18, 1991 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued January 22, 1991, permitted to 8,400 ft.
It was permitted by Williams, Clayton W., JR., Inc. and has since transferred to FW Eagle Ford I LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Anacacho, Austin Chalk.
Its lease has reported 136K barrels of oil and 114K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Williams, Clayton W., Jr., Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jan 15, 2026
- Permits on file
- 46
- Phone
- (713) 722-6500
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | FW Eagle Ford I LLC |
| Production reports | FW Eagle Ford I, LLCthrough Apr 2026 |
| Latest permit | Williams, Clayton W., Jr., Inc.Jan 22, 1991 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,400
- total depth, ft
- 1
- permits on file
- Jan 22, 1991
- last permit issued
- Mar 18, 1991
- completed
- 136K
- cumulative oil, bbl
- 114K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 18, 1991
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 |
|---|---|---|---|---|---|---|
| Wintershall-Gerke Unit "A" O-1-13086 | Pearsall (Austin Chalk) | FW Eagle Ford I, LLC | 1 | 136K | 114K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 2,545 · prior 12 836(+204%)
Gas, mcf lease total
Last 12 months 3,272 · prior 12 1,410(+132%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Williams, Clayton W., Jr., Inc.Jan 1993 → Apr 1993
- 2Williams, Clayton Energy, L.L.CMay 1993 → May 1993
- 3Williams, Clayton Energy, Inc.Jun 1993 → Feb 2014
- 4Lonestar Operating, LLCMar 2014 → Nov 2022
- 5Rocc Operating, LLCDec 2022 → Dec 2023
- 6Baytex Energy USA, Inc.Jan 2024 → Dec 2025
- 7FW Eagle Ford I, LLCJan 2026 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 383590-99 | Drill | Williams, Clayton W., Jr., Inc. | Jan 18, 1991 | Jan 22, 1991 | Feb 5, 1991 | 8,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-13086 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 448 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anacacho | 7,652 | -7,204 |
| Austin Chalk | 7,953 | -7,505 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,985 | 12,545 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 878 | 14.75 | 285 S |
| 7.625 | 7,985 | 9.875 | 200 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 1, 1991 | Mar 25, 1991 | Yes |
| 00 | Jun 25, 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 42-283-31413 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-283-31413 → 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/28331413, documented in the API reference.