WELL · 42-479-37146 · DISTRICT 4
Schwarz E. H. #20
Webb County · Schwarz (10500) field · Producing · Vertical
Schwarz E. H. #20 (API 42-479-37146) is a well in Webb County operated by Arete Operating Company Iii LLC, completed January 17, 1999 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued November 5, 1998, permitted to 11,500 ft.
It was permitted by Michael Petroleum Corporation and has since transferred to Arete Operating Company Iii LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Wilcox, Wills Point.
No lease production has been reported under this well’s leases.
Operator of record
Arete Operating Company III LLC
Permitted by Michael Petroleum Corporation; the EWA schedule now lists a different operator.
San Antonio, TX · P-5 Y, filed Sep 4, 2025 · (210) 325-9383
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Arete Operating Company III LLC |
| Production reports | Arete Operating Company III, LLCthrough Apr 2026 |
| Latest permit | Michael Petroleum CorporationNov 5, 1998 |
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
- 1
- permits on file
- Nov 5, 1998
- last permit issued
- Jan 17, 1999
- completed
- 0
- cumulative oil, bbl
- 1.74M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1999 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 17, 1999
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
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 |
|---|---|---|---|---|---|---|
| Schwarz, E. H. G-4-171959 | Schwarz (10500) | Arete Operating Company III, LLC | 1 | 0 | 1.74M | Jan 1999 – Jul 2026 |
Gas, mcf lease total
Last 12 months 454 · prior 12 10(+4440%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Michael Petroleum CorporationJan 1999 → Dec 2001
- 2Calpine Natural Gas CompanyJan 2002 → Apr 2002
- 3Calpine Natural Gas Company L.P.May 2002 → Jul 2002
- 4Calpine Natural Gas L.P.Aug 2002 → Dec 2005
- 5Rosetta Resources Operating LPJan 2006 → Feb 2012
- 6Pinpoint Energy Operating, LLCMay 2012 → Aug 2012
- 7Petropoint Energy Operating, LLCSep 2012 → Jul 2014
- 8White Oak Operating Company LLCAug 2014 → Oct 2020
- 9Arete Operating Company II, LLCFeb 2021 → Jun 2025
- 10Arete Operating Company III, LLCJul 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 480675-99 | Drill | Michael Petroleum Corporation | Nov 5, 1998 | Nov 5, 1998 | Dec 6, 1998 | 11,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-171959 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 538 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| WilcoxTOP UPPER WILCOX | 4,650 | -4,112 |
| WilcoxBASE UPPER WILCOX | 6,600 | -6,062 |
| Wills Point | 9,700 | -9,162 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,402 | 10,411 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,400 | 12.25 | 530 S |
| 7 | 7,500 | 8.75 | 638 S |
| 4.5 | 10,600 | 6.125 | 302 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 | Mar 18, 1999 | Feb 8, 1999 | Yes |
| 00 | Mar 3, 1999 | — | — |
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 42-479-37146 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-37146 → 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/47937146, documented in the API reference.