WELL · 42-383-41596 · DISTRICT 7

Studley DN West a 21-30 #4201H

Y

Reagan County · Spraberry (Trend Area) field · Shut IN  · Horizontal

Studley DN West A 21-30 #4201H (API 42-383-41596) is a horizontal well in Reagan County operated by De Central Operating LLC, completed July 16, 2024 and listed as shut in on the RRC schedule.

The RRC has issued one drilling permit, issued November 17, 2023, permitted to 10,605 ft.

It was permitted by De IV Operating, LLC and has since transferred to De Central Operating LLC on the wellbore schedule.

Completion filings report 9 formation tops, including Grayburg, Queen, San Andres, Clear Fork.

Its lease has reported 344K barrels of oil and 2.04M mcf of gas since April 2024, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.

Operator of record

DE Central Operating LLC

Permitted by DE IV Operating, LLC; the EWA schedule now lists a different operator.

Based in
Fort Worth, TX
P-5 status
Active (A)
P-5 last filed
Dec 16, 2025
Permits on file
402
Phone
(817) 928-3260

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleDE Central Operating LLC
Production reportsDE Central Operating, LLCthrough Apr 2026
Latest permitDE IV Operating, LLCNov 17, 2023

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

10,605
total depth, ft
1
permits on file
Nov 17, 2023
last permit issued
Jul 16, 2024
completed
344K
cumulative oil, bbl
2.04M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2024 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jul 16, 2024
Shut in
—
Plugged
—

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

Surface location

31.398616, -101.480915

Google Maps ↗

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

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

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Studley DN West a 21-30 O-9-22560Spraberry (Trend Area)DE Central Operating, LLC2344K2.04MApr 2024 – Jul 2026

Oil, barrels lease total

Last 12 months 89,075 · prior 12 254,856(-65%)

020K40K60K202420252026

Gas, mcf lease total

Last 12 months 1,030,578 · prior 12 1,006,636(+2%)

050K100K150K202420252026

Chain of custody

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

  1. 1DE IV Operating, LLCJul 2024 → Feb 2025
  2. 2DE Central Operating, LLCMar 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
895352-99DrillDE IV Operating, LLCNov 15, 2023Nov 17, 2023Jan 2, 202410,605

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-22560————

Formation tops

As filed on W-2/G-1. Subsea from 2,608 ft elevation.Download CSV →

FormationMD ftSubsea
Grayburg2,314294
Queen2,680-72
San AndresSAN ANDRES - SALTWATER FLOW, POS2,861-253
Clear ForkCLEARFORK4,770-2,162
Spraberry5,768-3,160
Wolfcamp7,351-4,743
Ellenburger——
Fusselman——
Strawn——

Perforations

Perforated and open-hole intervals.

FromToType
8,09323,152Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37583717.5515 S
9.6257,13512.251,200 S
5.523,2558.52,550 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 10, 2024Sep 13, 2024—
00May 29, 2024Apr 17, 2024Yes

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 →

Studley DN West a 21-3042-383-41594

0.0 KM · DE IV Operating, LLC · Section with this well →

Grayburg2,315292
Queen2,683-76
San Andres2,865-258
Clear Fork4,769-2,162
Spraberry5,767-3,160
Wolfcamp7,354-4,747
Fusselman—
Ellenburger—

9 TOPS · FIRST 8

Studley DN West C 21-3042-383-41597

0.0 KM · DE IV Operating, LLC · Section with this well →

Grayburg2,3161,290
Queen2,683923
San Andres2,864742
Clear Fork4,771-1,165
Spraberry5,768-2,162
Wolfcamp7,352-3,746
Fusselman—
Ellenburger—

9 TOPS · FIRST 8

Studley DN West E 21-3042-383-41598

0.0 KM · DE IV Operating, LLC · Section with this well →

Queen2,320285
Grayburg2,685-80
San Andres2,864-259
Clear Fork4,777-2,172
Spraberry5,769-3,164
Wolfcamp7,360-4,755
Strawn—
Ellenburger—

9 TOPS · FIRST 8

Studley DN West EE 21-3042-383-41599

0.0 KM · DE IV Operating, LLC · Section with this well →

Queen2,320284
Grayburg2,686-82
San Andres2,867-263
Clear Fork4,768-2,164
Spraberry5,771-3,167
Wolfcamp7,357-4,753
Fusselman—
Strawn—

9 TOPS · FIRST 8

Studley DN West G 21-3042-383-41600

0.0 KM · DE IV Operating, LLC · Section with this well →

Grayburg2,321280
Queen2,680-79
San Andres2,862-261
Clear Fork4,754-2,153
Spraberry5,769-3,168
Wolfcamp7,356-4,755
Fusselman—
Ellenburger—

9 TOPS · FIRST 8

Studley DN East II 21-3042-383-41602

0.9 KM · DE IV Operating, LLC · Section with this well →

Queen2,217312
Grayburg2,568-39
San Andres2,746-217
Clear Fork4,650-2,121
Spraberry5,679-3,150
Wolfcamp7,267-4,738
Fusselman—
Ellenburger—

9 TOPS · FIRST 8

Studley DN East I 21-3042-383-41601

0.9 KM · DE IV Operating, LLC · Section with this well →

Queen2,221308
Grayburg2,568-39
San Andres2,747-218
Clear Fork4,638-2,109
Spraberry5,675-3,146
Wolfcamp7,269-4,740
Ellenburger—
Strawn—

9 TOPS · FIRST 8

Studley DN East K 21-3042-383-41603

0.9 KM · DE IV Operating, LLC · Section with this well →

Queen2,217312
Grayburg2,573-44
San Andres2,747-218
Clear Fork4,638-2,109
Spraberry5,674-3,145
Wolfcamp7,261-4,732
Ellenburger—
Fusselman—

9 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

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