WELL · 42-479-35607 · DISTRICT 4

DE la Garza Mineral Trust A #4

Plugged

Webb County · Picoso (Wilcox 7600) field  · Vertical

De La Garza Mineral Trust A #4 (API 42-479-35607) is a plugged well in Webb County, plugged September 9, 2024, last operated by Petro-Smith Operating LLC.

The RRC has issued 2 drilling permits between 1992 and 1997, permitted to 9,000 ft.

It was permitted by Vintage Petroleum, Inc. and has since transferred to Petro-Smith Operating LLC on the wellbore schedule.

Completion filings report one formation top, including Wilcox.

Operator of record

Petro-Smith Operating LLC

Permitted by Vintage Petroleum, Inc.; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Oct 4, 2025 · (832) 540-2841

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulePetro-Smith Operating LLC
Production reportsPetro-Smith Operating LLCthrough Feb 2018
Latest permitVintage Petroleum, Inc.Dec 8, 1997

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

9,000
total depth, ft
2
permits on file
Dec 8, 1997
last permit issued
Jun 10, 1998
completed
0
cumulative oil, bbl
2.34M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jun 10, 1998
Shut in
—
Plugged
Sep 9, 2024

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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
DE la Garza Mineral Trust "A" G-4-142971Picoso, E. (Carrizo 7800)Petro-Smith Operating LLC101.6MJan 1993 – Jul 2026
DE la Garza Mineral Trust A G-4-166868Picoso (Wilcox 7600)Petro-Smith Operating LLC10736KJan 1998 – 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. 1Tri-C Resources, Inc.Jan 1993 → May 1993
  2. 2Meridian Oil Production Inc.Jun 1993 → Feb 1996
  3. 3Meridian Oil Inc.Mar 1996 → Jul 1996
  4. 4Burlington Resources Oil&gas Co.Aug 1996 → Mar 1997
  5. 5Vintage Petroleum, Inc.Apr 1997 → Apr 2006
  6. 6Vintage Petroleum, LLCMay 2006 → Aug 2006
  7. 7Premier Natural Resources, L.P.Sep 2006 → Feb 2007
  8. 8Premier Natural Resources, LLCMar 2007 → Dec 2016
  9. 9Petro-Smith Operating LLCJan 2017 → Feb 2018

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
470974-99RecompletionVintage Petroleum, Inc.Dec 8, 1997Dec 8, 1997Dec 11, 19979,000
403816-99DrillTri-C Resources, Inc.Sep 24, 1992Sep 24, 1992Oct 12, 19929,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-142971————
—— G-4-166868————

Formation tops

As filed on W-2/G-1. Subsea from 879 ft elevation.Download CSV →

FormationMD ftSubsea
Wilcox7,838-6,959

Perforations

Perforated and open-hole intervals.

FromToType
7,6667,676Perforated
7,8387,878Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62554412.25240 S
4.57,9867.875660 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
00Jul 31, 1998Jul 14, 1998—
00Mar 23, 1998—Yes
00Mar 10, 1998——
00Feb 4, 1993Jan 7, 1993—
00Jan 15, 1993Nov 16, 1992Yes
00Dec 2, 1992——

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/47935607, documented in the API reference.