WELL · 42-283-31351 · DISTRICT 1
Schulze Walter J. #1
LA Salle County · Pearsall (Austin Chalk) field · Producing · Horizontal
Schulze Walter J. #1 (API 42-283-31351) is a horizontal well in La Salle County operated by Trinity Operating (Usg) LLC, completed April 17, 2025 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued August 16, 1990, permitted to 11,500 ft.
It was permitted by Oryx Energy Company and has since transferred to Trinity Operating (Usg) LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Midway, San Miguel, Anacacho, Lower Chalk.
Its lease has reported 212K barrels of oil and 58.4K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Oryx Energy Company; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jan 28, 2026
- Permits on file
- 392
- Phone
- (713) 951-5309
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Trinity Operating (Usg) LLC |
| Production reports | Trinity Operating (Usg), LLCthrough Apr 2026 |
| Latest permit | Oryx Energy CompanyAug 16, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,500
- total depth, ft
- 2
- permits on file
- Aug 16, 1990
- last permit issued
- Apr 17, 2025
- completed
- 212K
- cumulative oil, bbl
- 58.4K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 17, 2025
- 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 |
|---|---|---|---|---|---|---|
| Schulze, Walter J. O-1-13170 | Pearsall (Austin Chalk) | Trinity Operating (Usg), LLC | 1 | 212K | 58.4K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 13,664 · prior 12 9,395(+45%)
Gas, mcf lease total
Last 12 months 737 · prior 12 6,688(-89%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Oryx Energy CompanyJan 1993 → Mar 1999
- 2Kerr-McGee CorporationApr 1999 → Sep 1999
- 3Kerr-McGee Oil & Gas Onshore LLCOct 1999 → Jan 2003
- 4Texas American Resources CompanyFeb 2003 → Jan 2018
- 5Trinity Operating (Usg), LLCFeb 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 376708-98 | Drill | Oryx Energy Company | Aug 27, 1991 | Aug 16, 1990 | — | 9,678 |
| 376708-99 | Drill | Oryx Energy Company | Aug 16, 1990 | Aug 16, 1990 | Sep 8, 1990 | 11,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-13170 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 563 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Midway | 3,748 | -3,185 |
| San Miguel | 6,118 | -5,555 |
| Anacacho | 6,723 | -6,160 |
| Lower Chalk | 7,223 | -6,660 |
| Base Chalk | 7,453 | -6,890 |
| Anacacho | — | — |
| Base Chalk | — | — |
| Lower Chalk | — | — |
| Midway | — | — |
| San Miguel | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,061 | 9,678 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 761 | 17.5 | 653 S |
| 9.625 | 2,759 | 12.25 | 606 S |
| 9.625 | 7,061 | 12.25 | 597 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 12, 2025 | Aug 4, 2025 | — |
| 00 | Aug 12, 1991 | Jan 28, 1991 | Yes |
| 00 | Aug 8, 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 42-283-31351 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-283-31351 → 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/28331351, documented in the API reference.