WELL · 42-479-37232 · DISTRICT 4
Schwarz E. H. #21
Webb County · Schwarz (Lobo) field · Temp Abandoned · Vertical
Schwarz E. H. #21 (API 42-479-37232) is a well in Webb County operated by Arete Operating Company Iii LLC, completed August 13, 2003 and listed as temp abandoned on the RRC schedule.
The RRC has issued 2 drilling permits (amended once) between 1999 and 2003, permitted to 10,000 ft.
It was permitted by Calpine Natural Gas L.P. 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 Calpine Natural Gas L.P.; 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 | White Oak Operating Company LLCthrough Aug 2017 |
| Latest permit | Calpine Natural Gas L.P.Aug 12, 2003 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,000
- total depth, ft
- 3
- permits on file
- Aug 12, 2003
- last permit issued
- Aug 13, 2003
- completed
- 0
- cumulative oil, bbl
- 526K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 1999 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 13, 2003
- 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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Schwarz, E. H. G-4-173283 | M. M. A. (Wilcox 8100) | Rosetta Resources Operating LP | 1 | 0 | 150K | Apr 1999 – Jul 2026 |
| Schwarz, E. H. G-4-196613 | Schwarz (Lobo) | Arete Operating Company III, LLC | 1 | 0 | 376K | Aug 2003 – Jul 2026 |
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.
- 1Michael Petroleum CorporationApr 1999 → Dec 2001
- 2Calpine Natural Gas CompanyJan 2002 → Mar 2002
- 3Calpine Natural Gas L.P.Nov 2002 → Dec 2005
- 4Rosetta Resources Operating LPJan 2006 → Mar 2012
- 5Pinpoint Energy Operating, LLCApr 2012 → Aug 2012
- 6Petropoint Energy Operating, LLCSep 2012 → Jul 2014
- 7White Oak Operating Company LLCAug 2014 → Aug 2017
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 535255-99 | Recompletion | Calpine Natural Gas L.P. | Aug 12, 2003 | Aug 12, 2003 | Aug 12, 2003 | 9,200 |
| 482807-98 | Drill | Michael Petroleum Corporation | Jun 21, 1999 | Feb 18, 1999 | Feb 26, 1999 | 10,000 |
| 482807-99 | Drill | Michael Petroleum Corporation | Feb 18, 1999 | Feb 18, 1999 | — | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-173283 | — | — | — | — |
| — | — G-4-196613 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 514 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| WilcoxTOP UPPER WILCOX | 4,400 | -3,886 |
| WilcoxBASE UPPER WILCOX | 7,100 | -6,586 |
| Wills Point | 9,200 | -8,686 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,704 | 7,712 | Perforated |
| 7,738 | 7,748 | Perforated |
| 7,760 | 7,780 | Perforated |
| 8,488 | 8,504 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,424 | 12.25 | 530 S |
| 7 | 7,110 | 8.75 | 300 S |
| 4.5 | 9,200 | 6.125 | 205 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 | Nov 10, 2003 | Oct 3, 2003 | — |
| 00 | Oct 22, 2003 | Aug 20, 2003 | Yes |
| 00 | Sep 22, 2003 | — | — |
| 00 | Jul 13, 1999 | May 20, 1999 | Yes |
| 00 | Jun 30, 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 42-479-37232 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-37232 → 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/47937232, documented in the API reference.