WELL · 42-383-41865 · DISTRICT 7

Cauble 21-30 F #261

Y

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

Cauble 21-30 F #261 (API 42-383-41865) is a horizontal well in Reagan County operated by Diamondback E&P LLC, completed June 29, 2025 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued September 20, 2024, permitted to 10,018 ft.

It was permitted by Endeavor Energy Resources L.P. and has since transferred to Diamondback E&P LLC on the wellbore schedule.

Completion filings report 8 formation tops, including Queen, Grayburg, San Andres, Clear Fork.

Its lease has reported 97.7K barrels of oil and 564K mcf of gas since June 2025, last reporting in July 2026.

Operator of record

Diamondback E&P LLC

Permitted by Endeavor Energy Resources L.P.; the EWA schedule now lists a different operator.

Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,231 permits on file · (855) 247-5920

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleDiamondback E&P LLC
Production reportsDiamondback E&P LLCthrough Apr 2026
Latest permitEndeavor Energy Resources L.P.Sep 20, 2024

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

10,018
total depth, ft
2
permits on file
Sep 20, 2024
last permit issued
Jun 29, 2025
completed
97.7K
cumulative oil, bbl
564K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2025 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jun 29, 2025
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

31.574689, -101.569419

OpenStreetMap → ·  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
Cauble 21-30 F O-9-23207Spraberry (Trend Area)Diamondback E&P LLC197.7K564KJun 2025 – Jul 2026

Oil, barrels lease total

Last 12 months 97,720 · prior 12 0

010K20K30K202420252026

Gas, mcf lease total

Last 12 months 564,224 · prior 12 0

050K100K150K202420252026

Chain of custody

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

  1. 1Diamondback E&P LLCJun 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
902783-98DrillEndeavor Energy Resources L.P.Oct 23, 2024Sep 20, 2024—10,018
902783-99DrillEndeavor Energy Resources L.P.Sep 20, 2024Sep 20, 2024Dec 4, 202410,018

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-23207————

Formation tops

As filed on W-2/G-1. Subsea from 2,671 ft elevation.Download CSV →

FormationMD ftSubsea
Queen2,560111
Grayburg3,030-359
San AndresSAN ANDRES - SALTWATER FLOW, POS3,259-588
Clear ForkCLEARFORK5,191-2,520
Spraberry6,290-3,619
Ellenburger——
Fusselman——
Strawn——

Perforations

Perforated and open-hole intervals.

FromToType
8,84616,382Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,42417.51,320 S
8.6257,95711930 S
5.516,4497.8751,890 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
00Aug 22, 2025Aug 8, 2025Yes

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

Open the cross-section →

Merchant Estate 18-12 D42-383-41910

0.0 KM · Endeavor Energy Resources L.P. · Section with this well →

Queen2,562109
Grayburg3,038-367
San Andres3,258-587
Clear Fork5,175-2,504
Spraberry6,289-3,618
Strawn—
Fusselman—
Ellenburger—

Merchant Estate 18-12 C42-383-41909

0.0 KM · Endeavor Energy Resources L.P. · Section with this well →

Queen2,555116
Grayburg3,035-364
San Andres3,243-572
Clear Fork5,193-2,522
Spraberry6,285-3,614
Strawn—
Fusselman—
Ellenburger—

Merchant Estate 18-12 B42-383-41908

0.0 KM · Endeavor Energy Resources L.P. · Section with this well →

Queen2,560111
Grayburg3,036-365
San Andres3,245-574
Clear Fork5,191-2,520
Spraberry6,292-3,621
Strawn—
Fusselman—
Ellenburger—

Cauble 21-30 H42-383-41867

0.0 KM · Endeavor Energy Resources L.P. · Section with this well →

Queen2,553118
Grayburg3,030-359
San Andres3,248-577
Clear Fork5,196-2,525
Spraberry6,296-3,625
Wolfcamp7,885-5,214
Strawn—
Ellenburger—

9 TOPS · FIRST 8

Merchant Estate 18-12 A42-383-41907

0.0 KM · Endeavor Energy Resources L.P. · Section with this well →

Queen2,553117
Grayburg3,029-359
San Andres3,247-577
Clear Fork5,208-2,538
Spraberry6,297-3,627
Ellenburger—
Fusselman—
Strawn—

Cauble 21-3042-383-40491

0.7 KM · Endeavor Energy Resources L.P. · Section with this well →

San Andres3,427-760
Clear Fork5,248-2,581
Spraberry6,236-3,569
Strawn10,024-7,357
Fusselman—
Queen—
Grayburg—
Ellenburger—

Cauble 21-3042-383-40490

0.7 KM · Endeavor Energy Resources L.P. · Section with this well →

San Andres3,427-760
Clear Fork5,264-2,597
Spraberry6,257-3,590
Fusselman—
Ellenburger—
Queen—
Strawn—
Grayburg—

Cauble 21-3042-383-40489

0.7 KM · Endeavor Energy Resources L.P. · Section with this well →

San Andres3,427-760
Clear Fork5,262-2,595
Spraberry6,254-3,587
Strawn—
Queen—
Grayburg—
Fusselman—
Ellenburger—

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/38341865, documented in the API reference.