WELL · 42-383-41606 · DISTRICT 7

Studley DN East O 21-30 #4315H

Y

Reagan County · Spraberry (Trend Area) field · Producing  · Horizontal

Studley DN East O 21-30 #4315H (API 42-383-41606) is a horizontal well in Reagan County operated by De Central Operating LLC, completed July 27, 2024 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued December 6, 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 Queen, Grayburg, San Andres, Clear Fork.

Its lease has reported 266K barrels of oil and 1.16M mcf of gas since March 2024, last reporting in July 2026.

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, LLCDec 6, 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
2
permits on file
Dec 6, 2023
last permit issued
Jul 27, 2024
completed
266K
cumulative oil, bbl
1.16M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2024 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jul 27, 2024
Shut in
—
Plugged
—

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

Surface location

31.400537, -101.471671

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; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Studley DN East O 21-30 O-9-22569Spraberry (Trend Area)DE Central Operating, LLC1266K1.16MMar 2024 – Jul 2026

Oil, barrels lease total

Last 12 months 81,922 · prior 12 184,053(-55%)

020K40K202420252026

Gas, mcf lease total

Last 12 months 482,487 · prior 12 676,584(-29%)

050K100K202420252026

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
895370-98DrillDE IV Operating, LLCDec 11, 2023Dec 6, 2023Jun 13, 202410,605
895370-99DrillDE IV Operating, LLCNov 15, 2023Dec 6, 2023Dec 11, 202310,605

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-22569————

Formation tops

As filed on W-2/G-1. Subsea from 2,529 ft elevation.Download CSV →

FormationMD ftSubsea
Queen2,212317
Grayburg2,570-41
San AndresSAN ANDRES - SALTWATER FLOW, POS2,750-221
Clear ForkCLEARFORK4,635-2,106
Spraberry5,662-3,133
Wolfcamp7,243-4,714
Ellenburger——
Fusselman——
Strawn——

Perforations

Perforated and open-hole intervals.

FromToType
8,02623,352Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37573817.5490 S
9.6257,25812.251,190 S
5.523,4508.52,718 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 12, 2024—
00May 31, 2024May 14, 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 East MM 21-3042-383-41605

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

Queen2,213316
Grayburg2,569-40
San Andres2,748-219
Clear Fork4,637-2,108
Spraberry5,671-3,142
Wolfcamp7,249-4,720
Strawn—
Fusselman—

9 TOPS · FIRST 8

Studley DN East M 21-3042-383-41604

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

Queen2,213316
Grayburg2,567-38
San Andres2,744-215
Clear Fork4,629-2,100
Spraberry5,675-3,146
Wolfcamp7,258-4,729
Strawn—
Fusselman—

9 TOPS · FIRST 8

Studley DN East K 21-3042-383-41603

0.0 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
Strawn—
Fusselman—

9 TOPS · FIRST 8

Studley DN East I 21-3042-383-41601

0.0 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
Fusselman—
Strawn—

9 TOPS · FIRST 8

Studley DN East II 21-3042-383-41602

0.0 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 West G 21-3042-383-41600

0.9 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—
Strawn—

9 TOPS · FIRST 8

Studley DN West EE 21-3042-383-41599

0.9 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 E 21-3042-383-41598

0.9 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—
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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