WELL · 42-507-33300 · DISTRICT 1

Mustang Ranch #1H

Plugged

Zavala County · Pena Creek (Georgetown) field · Horizontal

Mustang Ranch #1H (API 42-507-33300) is a plugged horizontal well in Zavala County, plugged June 3, 2020, last operated by Cml Exploration LLC.

The RRC has issued one drilling permit (amended once), issued August 9, 2017, permitted to 7,200 ft.

Completion filings report 6 formation tops, including Escondido, Olmos, Anacacho, Austin Chalk.

Operator of record

CML Exploration LLC

Austin, TX · P-5 Y, filed Jul 4, 2026 · 514 permits on file · (800) 460-6313

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	CML Exploration LLC
Production reports	none
Latest permit	CML Exploration, LLCAug 9, 2017

7,200: total depth, ft
2: permits on file
Aug 9, 2017: last permit issued
Nov 5, 2017: completed
0: cumulative oil, bbl
0: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 2017 THROUGH Sep 2020

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: Nov 5, 2017
Shut in: —
Plugged: Jun 3, 2020

Surface location

28.772084, -99.914301

OpenStreetMap → · Google Maps →

Permit surface location from the RRC GIS record, in Zavala County.

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 O-1-19364	Pena Creek (Georgetown)	CML Exploration, LLC	1	0	0	Nov 2017 – Sep 2020

No volumes reported on these leases in the last three years.

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
829556-98	Drill	CML Exploration, LLC	Oct 3, 2018	Aug 9, 2017	Sep 20, 2017	7,200
829556-99	Drill	CML Exploration, LLC	Aug 4, 2017	Aug 9, 2017	Sep 20, 2017	6,750

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-1-19364	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 639 ft elevation.Download CSV →

Formation	MD ft	Subsea
EscondidoESCONDIDO - DISPOSAL	1,799	-1,160
Olmos	2,510	-1,871
Anacacho	3,982	-3,343
Austin Chalk	4,515	-3,876
Buda	5,761	-5,122
Georgetown	6,132	-5,493

Perforations

Perforated and open-hole intervals.

From	To	Type
6,400	15,340	Open hole
6,500	14,898	Open hole
9,928	16,534	Open hole

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
9.625	4,400	12.25	707 S
7	6,460	8.75	620 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 7, 2018	Mar 29, 2018	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 42-507-33300 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-507-33300 → 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.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Ferguson-McKnight42-507-33543

10.8 KM · Magnolia Oil & Gas Operating LLC · Section with this well →

Midway	1,588	-1,034
Pecan Gap	4,475	-3,921
Austin Chalk	4,767	-4,213
Eagle Ford	5,675	-5,121
Escondido	—

Ferguson-McKnight42-507-33542

10.8 KM · Magnolia Oil & Gas Operating LLC · Section with this well →

Midway	1,603	-1,051
Escondido	1,920	-1,368
Olmos	2,765	-2,213
San Miguel	3,387	-2,835
Pecan Gap	4,550	-3,998
Austin Chalk	4,800	-4,248
Eagle Ford	5,683	-5,131
Escondido	—

Ferguson-McKnight42-507-33512

10.8 KM · EL Toro Resources LLC · Section with this well →

Escondido	1,111	-555
Midway	1,595	-1,039
Escondido	1,886	-1,330
Olmos	2,757	-2,201
San Miguel	3,380	-2,824
Pecan Gap	4,482	-3,926
Ausitn Chalk Top	4,777	-4,221
Eagle Ford	5,675	-5,119

Ferguson-McKnight42-507-33371

11.4 KM · EL Toro Resources LLC · Section with this well →

Olmos	2,738	-2,182
San Miguel	3,399	-2,843
Austin Chalk	4,467	-3,911
Eagle Ford	5,617	-5,061
Escondido	—

Ferguson-McKnight42-507-33388

11.4 KM · EL Toro Resources LLC · Section with this well →

Escondido	1,856	-1,300
Olmos	2,709	-2,153
San Miguel	3,321	-2,765
Anacacho	4,462	-3,906
Austin Chalk	4,672	-4,116
Eagle Ford	5,610	-5,054

Ferguson-McKnight42-507-33260

12.7 KM · EL Toro Resources LLC · Section with this well →

Escondido	1,900	-1,337
Olmos	2,805	-2,242
San Miguel	3,560	-2,997
Austin Chalk	4,250	-3,687

Ferguson-McKnight42-507-33316

12.9 KM · EL Toro Resources LLC · Section with this well →

Escondido	1,874	-1,301
Olmos	2,730	-2,157
San Miguel	3,390	-2,817
Austin Chalk	4,503	-3,930

Ferguson-McKnight42-507-33530

13.1 KM · Magnolia Oil & Gas Operating LLC · Section with this well →

Escondido	1,843	-1,264
Olmos	2,731	-2,152
San Miguel	3,364	-2,785
Pecan Gap	4,433	-3,854
Austin Chalk	4,734	-4,155
Eagle Ford	4,769	-4,190
Escondido	—

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/50733300, documented in the API reference.