TEXAS · WELLS · WEBB COUNTY · SCHWARZ, E.H. LEASE · API 42-479-34652 · DISTRICT 04

Schwarz E.H. #12

Shut in

Webb County · Schwarz (Lobo) field · Temp Abandoned  · Vertical

Schwarz E.H. #12 (API 42-479-34652) is a well in Webb County operated by Arete Operating Company Iii LLC, completed June 12, 1988 and listed as temp abandoned on the RRC schedule, shut in April 1, 2015.

The RRC has issued one drilling permit, issued March 3, 1988, permitted to 8,500 ft.

It was permitted by Transamerican Natural Gas Corp. and has since transferred to Arete Operating Company Iii LLC on the wellbore schedule.

Completion filings report 4 formation tops, including Queen City, Wilcox, L. Wilcox, Wills Pt..

No lease production has been reported under this well’s leases.

Operator of record

Arete Operating Company III LLC

Permitted by Transamerican Natural Gas Corp.; the EWA schedule now lists a different operator.

Based in
San Antonio, TX
P-5 status
Active – Extension (X)
P-5 last filed
Feb 10, 2026
Phone
(210) 325-9383

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleArete Operating Company III LLC
Production reportsArete Operating Company III, LLCthrough Apr 2021
Latest permitTransamerican Natural Gas Corp.Mar 3, 1988

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

8,500
total depth, ft
1
permits on file
Mar 3, 1988
last permit issued
Jun 12, 1988
completed
0
cumulative oil, bbl
448K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jun 12, 1988
Shut in
Apr 1, 2015
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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Schwarz, E.H. G-4-128391Schwarz (Lobo)Arete Operating Company III, LLC10448KJan 1993 – 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.

  1. 1Transamerican Natural Gas Corp.Jan 1993 → Jul 1993
  2. 2Transtexas Gas CorporationAug 1993 → Jul 1996
  3. 3Michael Petroleum CorporationAug 1996 → Dec 2001
  4. 4Calpine Natural Gas CompanyJan 2002 → Apr 2002
  5. 5Calpine Natural Gas Company L.P.May 2002 → Jul 2002
  6. 6Calpine Natural Gas L.P.Aug 2002 → Dec 2005
  7. 7Rosetta Resources Operating LPJan 2006 → Mar 2012
  8. 8Pinpoint Energy Operating, LLCApr 2012 → Aug 2012
  9. 9Petropoint Energy Operating, LLCSep 2012 → Jul 2014
  10. 10White Oak Operating Company LLCAug 2014 → Mar 2015
  11. 11Arete Operating Company III, LLCApr 2021 → Apr 2021

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
343455-99DrillTransamerican Natural Gas Corp.Mar 3, 1988Mar 3, 1988—8,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Jun 12, 1988Schwarz E.H. G-4-128391Schwarz (Lobo)Arete Operating Company III LLCTemp Abandoned · shut in Apr 1, 20158,500

Formation tops

As filed on W-2/G-1. Subsea from 607 ft elevation.Download CSV →

FormationMD ftSubsea
Queen City1,480-873
WilcoxWILCOX/T. CARRIZO3,480-2,873
L. Wilcox4,643-4,036
Wills Pt.8,000-7,393

Perforations

Perforated and open-hole intervals.

FromToType
7,4967,700Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.7550014.75350 S
2.8758,5006.125500 S
7—8.75130 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Oct 13, 1988Jun 24, 1988Yes
00Oct 1, 1988——

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.

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/47934652, documented in the API reference.