TEXAS · WELLS · MIDLAND COUNTY · ROY PARKS B LEASE · API 42-329-38401 · DISTRICT 7B

Roy Parks B #3925

Shut in

Midland County · Spraberry (Trend Area) field · Shut In  · Vertical

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

Roy Parks B #3925 (API 42-329-38401) is a well in Midland County operated by Cog Operating LLC, completed March 20, 2013 and listed as shut in on the RRC schedule, shut in October 1, 2025.

The RRC has issued one drilling permit (amended once), issued November 16, 2012, permitted to 10,508 ft.

Completion filings report 3 formation tops, including Spraberry, Wolfcamp, Bend.

Its lease has reported 1.19M barrels of oil and 2.03M mcf of gas since December 2010, last reporting volume in August 2026. The lease carries 13 wells, so these are lease totals, not this well alone.

Operator of record

COG Operating LLC

Based in
Midland, TX
P-5 status
Active (A)
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 Aug 2026
Latest permitCOG Operating LLCNov 16, 2012
10,508
total depth, ft
2
permits on file
Nov 16, 2012
last permit issued
Mar 20, 2013
completed
1.19M
cumulative oil, bbl
2.03M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · DEC 2010 THROUGH AUG 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 20, 2013
Shut in
Oct 1, 2025
Plugged
—

Operator's P-5 on the schedule: Active (A)

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.

Wells nearby

Every well with a location on file around this well, in any state, nearest first.

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Texas locations come from drilling permits, so most older Texas wells have none and are not listed.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH AUG 2026

Texas reports oil by lease, not by well. These are the lease this well is completed on; they carry 13 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Roy Parks B O-10-41083Spraberry (Trend Area)COG Operating LLC131.19M2.03MDec 2010 – Aug 2026

Oil, barrels lease total

Last 12 months 44,816 · prior 12 53,902(-17%)

05K10K202420252026

Gas, mcf lease total

Last 12 months 47,507 · prior 12 101,468(-53%)

05K10K15K202420252026

Wells named Roy Parks B

COG Operating LLC's other wells filed under this lease name in Midland County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.

Loading the lease's wells

Chain of custody

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

  1. 1PDC EnergyDec 2010 → Jan 2012
  2. 2COG Operating LLCFeb 2012 → Aug 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
751485-98DrillCOG Operating LLCFeb 20, 2013Nov 16, 2012Jan 3, 201312,000
751485-99DrillCOG Operating LLCNov 13, 2012Nov 16, 2012Jan 31, 201312,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Mar 20, 2013Roy Parks B O-10-41083Spraberry (Trend Area)COG Operating LLCShut In · shut in Oct 1, 202510,508

Formation tops

As filed on W-2/G-1. Subsea from 2,847 ft elevation.Download CSV →

FormationMD ftSubsea
Spraberry7,923-5,076
Wolfcamp9,037-6,190
Bend10,135-7,288

Perforations

Perforated and open-hole intervals.

FromToType
8,24610,340Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62542512.25310 S
5.510,5088.751,050 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
00Feb 26, 2014Apr 23, 2013Yes

Well logs

1 log loaded from the RRC's log index, the latest received Feb 29, 2016. Neutron. 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
NEUTRON POROSITYSpans Spraberry, Wolfcamp, BendTIFF4,000 to 10,460Feb 29, 2016run Feb 19, 20133.59

"Spans" is by this well's own filed formation tops: a formation runs from its top to the next deeper top filed, and the deepest runs to the bottom of the log. Depths are measured along the wellbore, so on a horizontal the lateral counts in the formation it was landed in.

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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.

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/32938401, documented in the API reference.