TEXAS · WELLS · ANDREWS COUNTY · MUSTANG A LEASE · API 42-003-44312 · DISTRICT 7B

Mustang A #3505

Plugged

Andrews County · Spraberry (Trend Area) field  · Vertical

Fields on the latest permit · any of 3
Lowe (Atoka) · Mabee (Strawn) · Spraberry (Trend Area)
Not one formation; the well must be completed in one of them, and no target formation is stated.

Mustang A #3505 (API 42-003-44312) is a plugged well in Andrews County, plugged February 21, 2025, last operated by Cog Operating LLC.

The RRC has issued one drilling permit, issued May 14, 2012, permitted to 13,500 ft.

It was permitted by Oxy USA Inc. and has since transferred to Cog Operating LLC on the wellbore schedule.

Completion filings report 10 formation tops, including Canyon, Fusselman, Glorieta, Holt.

Its lease has reported 28.8K barrels of oil and 161K mcf of gas since June 2014, last reporting volume in November 2024.

Operator of record

COG Operating LLC

Permitted by OXY USA Inc.; the EWA schedule now lists a different operator.

Based in
Midland, TX
P-5 status
Active – Extension (X)
P-5 last filed
Jun 2, 2026
Permits on file
4,568
Phone
(432) 683-7443

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCOG Operating LLC
Production reportsCOG Operating LLCthrough Nov 2024
Latest permitOXY USA Inc.May 14, 2012

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

13,500
total depth, ft
1
permits on file
May 14, 2012
last permit issued
Jun 2, 2014
completed
28.8K
cumulative oil, bbl
161K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 2014 THROUGH Nov 2024

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jun 2, 2014
Shut in
—
Plugged
Feb 21, 2025

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
Mustang A O-10-45431Spraberry (Trend Area)COG Operating LLC128.8K161KJun 2014 – Nov 2024

Gas, mcf lease total

Last 12 months 0 · prior 12 1,135(-100%)

01K2K3K202420252026

Oil, barrels lease total

Last 12 months 0 · prior 12 187(-100%)

050100202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1OXY USA Inc.Jul 2014 → Jul 2017
  2. 2COG Operating LLCAug 2017 → Nov 2024

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
739354-99DrillOXY USA Inc.Apr 28, 2012May 14, 2012Mar 27, 201413,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Jun 2, 2014Mustang A O-10-45431Spraberry (Trend Area)COG Operating LLCPlugged—

Formation tops

As filed on W-2/G-1. Subsea from 2,949 ft elevation.Download CSV →

FormationMD ftSubsea
Canyon——
Fusselman——
Glorieta——
Holt——
Leon——
McKee——
Pennsylvanian——
Permian (undifferentiated)PERMIAN DETRITAL——
Tubb——
Wichita-AlbanyWICHITA ALBANY——

Perforations

Perforated and open-hole intervals.

FromToType
8,66410,986Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
11.751,77014.75950 S
8.6255,71010.6251,480 S
5.511,4127.8751,100 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Nov 25, 2014Aug 7, 2014Yes

Well logs

1 log loaded from the RRC's log index, the latest received Apr 21, 2017. Resistivity. These are the logs loaded into Petrora from the Railroad Commission's inventories, not necessarily every log run on the well. The RRC holds the files; each opens from its log search for the well. The kind is the RRC's description of the log; the interval is the one filed for it.

Open the RRC's log search for this well ↗
Logas describedFiles Intervalft, as filedDatereceivedSizeMB
RESISTIVITYTIFF0 to 11,264Apr 21, 2017run Apr 25, 20149.58

Find logs withinmiles of this well:List →Map →

Search the well logs loaded into Petrora →

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.

The logs loaded for this well are under Well logs, with the RRC's log search for it. The University Lands library has no per-well link: then paste it into its 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/00344312, documented in the API reference.