WELL · 42-135-43631 · DISTRICT 8

Parks Bell #4031H

N

Ector County · Spraberry (Trend Area) field  · Horizontal

Parks Bell #4031H (API 42-135-43631) is a horizontal well in Ector County operated by Cog Operating LLC, completed March 19, 2019.

The RRC has issued one drilling permit, issued October 10, 2018, permitted to 12,000 ft.

Completion filings report 10 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.

Its 2 leases have reported 4.76M barrels of oil and 10.2M mcf of gas since June 2008, last reporting in July 2026. The leases carry 46 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 Apr 2026
Latest permitCOG Operating LLCOct 10, 2018
12,000
total depth, ft
1
permits on file
Oct 10, 2018
last permit issued
Mar 19, 2019
completed
4.76M
cumulative oil, bbl
10.2M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2008 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Mar 19, 2019
Shut in
—
Plugged
—

Surface location

31.954639, -102.304010

Google Maps ↗

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

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 46 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Parks Bell O-10-38829Spraberry (Trend Area)COG Operating LLC283.03M3.87MJun 2008 – Jul 2026
Parks Bell HZ Unit O-10-53121Spraberry (Trend Area)COG Operating LLC181.72M6.37MFeb 2020 – Jul 2026

Oil, barrels lease total

Last 12 months 176,517 · prior 12 182,935(-4%)

010K20K30K202420252026

Gas, mcf lease total

Last 12 months 902,587 · prior 12 898,248(+0%)

050K100K202420252026

Chain of custody

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

  1. 1Patriot Resources, Inc.Jun 2008 → Jan 2011
  2. 2RSP Permian, LLCFeb 2011 → Jul 2018
  3. 3COG Operating LLCAug 2018 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
845561-99DrillCOG Operating LLCOct 9, 2018Oct 10, 2018Nov 12, 201812,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-38829————
—— O-10-53121————

Formation tops

As filed on W-2/G-1. Subsea from 2,988 ft elevation.Download CSV →

FormationMD ftSubsea
Santa RosaSANTA ROSA BASE1,1501,838
Yates3,137-149
Seven Rivers3,381-393
Queen4,056-1,068
Grayburg4,485-1,497
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO5,119-2,131
Glorieta5,705-2,717
Holt6,999-4,011
Clear ForkCLEARFORK7,497-4,509
Tubb7,961-4,973

Perforations

Perforated and open-hole intervals.

FromToType
9,11516,702Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,65917.51,175 S
9.6258,27612.25690 S
5.516,8308.51,735 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
00Mar 12, 2020May 20, 2019Yes
00Sep 5, 2019May 20, 2019Yes

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.

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 neighbors, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Parks Bell42-135-43630

0.0 KM · COG Operating LLC · Section with this well →

Santa Rosa1,1321,856
Yates3,125-137
Seven Rivers3,372-384
Queen4,050-1,062
Grayburg4,480-1,492
San Andres5,108-2,120
Glorieta5,698-2,710
Holt7,000-4,012

10 TOPS · FIRST 8

Parks Bell42-135-43629

0.0 KM · COG Operating LLC · Section with this well →

Santa Rosa1,1491,839
Yates3,132-144
Seven Rivers3,384-396
Queen4,057-1,069
Grayburg4,488-1,500
San Andres5,105-2,117
Glorieta5,706-2,718
Holt6,999-4,011

10 TOPS · FIRST 8

Parks Bell42-135-43628

0.0 KM · COG Operating LLC · Section with this well →

Santa Rosa1,1291,859
Yates3,124-136
Seven Rivers3,374-386
Queen4,049-1,061
Grayburg4,479-1,491
San Andres5,107-2,119
Glorieta5,706-2,718
Holt6,991-4,003

10 TOPS · FIRST 8

Parks Bell Psa42-135-43698

0.3 KM · COG Operating LLC · Section with this well →

Santa Rosa1,1401,849
Yates3,156-167
Seven Rivers3,386-397
Queen4,050-1,061
Grayburg4,497-1,508
San Andres5,152-2,163
Holt5,652-2,663
Glorieta5,719-2,730

10 TOPS · FIRST 8

Parks Bell 4007AH42-135-43699

0.3 KM · COG Operating LLC · Section with this well →

Santa Rosa1,1241,864
Yates3,123-135
Seven Rivers3,374-386
Queen4,049-1,061
Grayburg4,467-1,479
San Andres5,147-2,159
Holt5,647-2,659
Glorieta5,670-2,682

10 TOPS · FIRST 8

Ratliff J Unit42-135-43783

2.7 KM · COG Operating LLC · Section with this well →

Santa Rosa1,9061,035
Yates3,103-162
Seven Rivers3,390-449
Queen4,260-1,319
Grayburg4,850-1,909
San Andres4,971-2,030
Holt5,498-2,557
Glorieta5,609-2,668

10 TOPS · FIRST 8

Whittenburg42-135-43831

2.8 KM · Earthstone Operating, LLC · Section with this well →

Santa Rosa1,3921,598
Rustler1,9541,036
Yates3,109-119
Seven Rivers3,467-477
Queen4,204-1,214
Grayburg4,894-1,904
San Andres4,894-1,904
Glorieta6,247-3,257

10 TOPS · FIRST 8

Whittenburg42-135-43832

2.8 KM · Earthstone Operating, LLC · Section with this well →

Santa Rosa1,3851,605
Yates3,113-123
Seven Rivers3,463-473
Queen4,204-1,214
Grayburg4,882-1,892
San Andres4,882-1,892
Glorieta6,254-3,264
Clear Fork7,465-4,475

19 TOPS · FIRST 8

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/13543631, documented in the API reference.