WELL · 42-115-33418 · DISTRICT 8

Cozart A #1R

Plugged

Dawson County · Spraberry (Trend Area) field  · Vertical

Cozart A #1R (API 42-115-33418) is a plugged well in Dawson County, plugged August 23, 2024, last operated by Cambrian Management Ltd..

The RRC has issued 2 drilling permits between 2011 and 2014, permitted to 12,700 ft.

It was permitted by Hadaway Consult And Engineer,LLC and has since transferred to Cambrian Management Ltd. on the wellbore schedule.

Completion filings report 6 formation tops, including Spraberry, Wolfcamp, Canyon, Strawn.

Its 2 leases have reported 6.21K barrels of oil and 3 mcf of gas since November 2011, last reporting in February 2026. The leases carry 2 wells, so these are lease totals, not this well alone.

Operator of record

Cambrian Management Ltd.

Permitted by Hadaway Consult and Engineer,llc; the EWA schedule now lists a different operator.

McCaulley, TX · P-5 Y, filed Apr 4, 2026 · 107 permits on file · (432) 664-7052

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCambrian Management Ltd.
Production reportsEOG Resources, Inc.through Dec 2023
Latest permitHadaway Consult and Engineer,llcMar 3, 2014

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

12,700
total depth, ft
2
permits on file
Mar 3, 2014
last permit issued
Nov 1, 2011
completed
6.21K
cumulative oil, bbl
3
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 2011 THROUGH Feb 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Nov 1, 2011
Shut in
—
Plugged
Aug 23, 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
Cozart 'A' O-10-43320Spraberry (Trend Area)EOG Resources, Inc.16.21K3Nov 2011 – Feb 2026
Cozart "A" O-10-43273Spraberry (Trend Area)Cambrian Management, Ltd.100Nov 2011 – Oct 2013

Gas, mcf lease total

Last 12 months 0 · prior 12 0

012202420252026

Chain of custody

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

  1. 1Big Star Oil & Gas, LLCDec 2011 → Nov 2012
  2. 2Hadaway Consult and Engineer,llcDec 2012 → Oct 2017
  3. 3Murphy Expl. & Prod. Co. - USANov 2017 → Mar 2019
  4. 4EXL Petroleum Operating II, Inc.Apr 2019 → Feb 2020
  5. 5CGS Operating, LLCMar 2020 → Mar 2020
  6. 6EOG Resources, Inc.Apr 2020 → Jun 2022

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
778480-99RecompletionHadaway Consult and Engineer,llcJan 29, 2014Mar 3, 2014Jul 7, 201112,345
719651-99DrillCambrian Management, Ltd.Jul 5, 2011Jul 7, 2011Jul 6, 201112,700

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-43273————
—— O-10-43320————

Formation tops

As filed on W-2/G-1. Subsea from 2,967 ft elevation.Download CSV →

FormationMD ftSubsea
Spraberry9,210-6,243
Wolfcamp9,550-6,583
Canyon10,772-7,805
Strawn10,888-7,921
Strawn10,952-7,985
Atoka11,307-8,340
Atoka11,477-8,510
MississippianMISSISSIPPI11,780-8,813

Perforations

Perforated and open-hole intervals.

FromToType
9,21010,655Perforated
9,21011,480Perforated
10,88810,962Perforated
11,30711,480Perforated
11,78011,863Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37541817.5415 S
9.6254,95912.251,200 S
8.6254,95913.3751,200 S
5.512,2267.8751,300 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 31, 2014Jun 2, 2014—
00Oct 31, 2013Nov 7, 2012Yes
00Oct 30, 2013Nov 7, 2012Yes

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) and the University Lands library. 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/11533418, documented in the API reference.