TEXAS · WELLS · MIDLAND COUNTY · HALEY, C. B. LEASE · API 42-329-36745 · DISTRICT 7B

Haley C. B. #4

Plugged

Midland County · Parks (Consolidated) field  · Vertical

Haley C. B. #4 (API 42-329-36745) is a plugged well in Midland County, plugged November 23, 2020, last operated by Cog Operating LLC.

The RRC has issued one drilling permit, issued July 26, 2010, permitted to 11,000 ft.

Completion filings report 6 formation tops, including T. Clearfork, T. Spraberry, T. Wolfcamp, B. Wolfcamp.

Its lease has reported 132K barrels of oil and 246K mcf of gas since April 2009, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.

Operator of record

COG Operating LLC

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 permitCOG Operating LLCJul 26, 2010
11,000
total depth, ft
1
permits on file
Jul 26, 2010
last permit issued
Nov 16, 2010
completed
132K
cumulative oil, bbl
246K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2009 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Nov 16, 2010
Shut in
—
Plugged
Nov 23, 2020

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; they carry 4 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Haley, C. B. O-10-39578Parks (Consolidated)COG Operating LLC4132K246KApr 2009 – Jul 2026

Oil, barrels lease total

Last 12 months 0 · prior 12 911(-100%)

0100200300202420252026

Gas, mcf lease total

Last 12 months 0 · prior 12 2,204(-100%)

0200400600202420252026

Chain of custody

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

  1. 1COG Operating LLCApr 2009 → Nov 2024

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
699537-99DrillCOG Operating LLCJul 23, 2010Jul 26, 2010Sep 10, 201011,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Nov 16, 2010Haley C. B. O-10-39578Parks (Consolidated)COG Operating LLCPlugged—

Formation tops

As filed on W-2/G-1. Subsea from 2,792 ft elevation.Download CSV →

FormationMD ftSubsea
T. Clearfork6,990-4,198
T. Spraberry7,800-5,008
T. Wolfcamp9,200-6,408
B. Wolfcamp10,040-7,248
T. Strawn10,120-7,328
T. Bend10,450-7,658

Perforations

Perforated and open-hole intervals.

FromToType
7,95010,840Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62541012.25260 S
5.511,0207.875910 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 3, 2011Jan 13, 2011Yes

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/32936745, documented in the API reference.