WELL · 42-283-31379 · DISTRICT 1
Wintershall-Gerke Unit #1
LA Salle County · Pearsall (Austin Chalk) field · Horizontal
Wintershall-Gerke Unit #1 (API 42-283-31379) is a plugged horizontal well in La Salle County, plugged September 26, 2014, last operated by Williams Clayton Energy Inc..
The RRC has issued one drilling permit, issued October 29, 1990, permitted to 8,350 ft.
It was permitted by Williams, Clayton W., JR., Inc. and has since transferred to Williams Clayton Energy Inc. on the wellbore schedule.
Completion filings report 2 formation tops, including Anacacho, Austin Chalk.
Its lease has reported 3.8K barrels of oil and 7.81K mcf of gas since January 1993, last reporting in February 2015.
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
- Delinquent (D)
- P-5 last filed
- Apr 11, 2017
- Permits on file
- 1,139
- Phone
- (281) 872-3100
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Williams Clayton Energy Inc. |
| Production reports | Williams, Clayton Energy, Inc.through Aug 2008 |
| Latest permit | Williams, Clayton W., Jr., Inc.Oct 29, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,350
- total depth, ft
- 1
- permits on file
- Oct 29, 1990
- last permit issued
- Dec 14, 1990
- completed
- 3.8K
- cumulative oil, bbl
- 7.81K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 2015
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 14, 1990
- Shut in
- —
- Plugged
- Sep 26, 2014
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 O-1-13014 | Pearsall (Austin Chalk) | Williams, Clayton Energy, Inc. | 1 | 3.8K | 7.81K | Jan 1993 – Feb 2015 |
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.
- 1Williams, Clayton W., Jr., Inc.Jan 1993 → Apr 1993
- 2Williams, Clayton Energy, L.L.CMay 1993 → May 1993
- 3Williams, Clayton Energy, Inc.Jun 1993 → Aug 2008
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 380271-99 | Drill | Williams, Clayton W., Jr., Inc. | Oct 29, 1990 | Oct 29, 1990 | Nov 3, 1990 | 8,350 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-13014 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 22 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anacacho | 7,630 | -7,608 |
| Austin Chalk | 7,919 | -7,897 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,665 | 9,335 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 850 | 14.75 | 610 S |
| 7.625 | 7,665 | 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 | May 14, 1991 | Dec 20, 1990 | Yes |
| 00 | May 2, 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 42-283-31379 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-283-31379 → 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/28331379, documented in the API reference.