WELL · 42-507-32989 · DISTRICT 1

Mustang Ranch Unit #1H

Plugged

Zavala County · Pearsall (Buda S.) field · Horizontal

Mustang Ranch Unit #1H (API 42-507-32989) is a plugged horizontal well in Zavala County, plugged February 21, 2016, last operated by U.S. Enercorp Ltd..

The RRC has issued one drilling permit, issued April 19, 2013, permitted to 9,000 ft.

Completion filings report 3 formation tops, including Austin Chalk, Eagle Ford, Buda.

Its lease has reported 563 barrels of oil since May 2013, last reporting in March 2016.

Operator of record

U.S. Enercorp Ltd.

San Antonio, TX · P-5 Y, filed Apr 3, 2020 · 102 permits on file · (877) 349-5459

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	U.S. Enercorp Ltd.
Production reports	U.S. Enercorp, Ltd.through Oct 2013
Latest permit	U.S. Enercorp, Ltd.Apr 19, 2013

9,000: total depth, ft
1: permits on file
Apr 19, 2013: last permit issued
May 14, 2013: completed
563: cumulative oil, bbl
0: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2013 THROUGH Mar 2016

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: May 14, 2013
Shut in: —
Plugged: Feb 21, 2016

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
Mustang Ranch Unit O-1-17610	Pearsall (Buda, S.)	U.S. Enercorp, Ltd.	1	563	0	May 2013 – Mar 2016

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.

1U.S. Enercorp, Ltd.Jun 2013 → Oct 2013

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
760870-99	Drill	U.S. Enercorp, Ltd.	Apr 16, 2013	Apr 19, 2013	Apr 26, 2013	9,000

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-1-17610	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 612 ft elevation.Download CSV →

Formation	MD ft	Subsea
Austin ChalkTOP OF AUSTIN CHALK	4,745	-4,133
Eagle FordTOP OF EAGLEFORD	5,455	-4,843
BudaTOP OF BUDA	5,904	-5,292

Perforations

Perforated and open-hole intervals.

From	To	Type
6,061	8,720	Open hole

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
9.625	1,767	12.25	605 S
7	6,061	8.75	320 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	Jun 20, 2014	Oct 14, 2013	Yes

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 42-507-32989 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-507-32989 → 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/50732989, documented in the API reference.