WELL · 42-383-41057 · DISTRICT 7

Clarkson 7-26 H #281

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

Clarkson 7-26 H #281 (API 42-383-41057) is a horizontal well in Reagan County operated by Diamondback E&P LLC, completed May 9, 2022 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued December 1, 2021, permitted to 9,800 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 11 formation tops, including Queen, Grayburg, San Andres, Clear Fork.

Its lease has reported 327K barrels of oil and 2.69M mcf of gas since February 2022, 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.

Based in
Midland, TX
P-5 status
Active – Extension (X)
P-5 last filed
May 4, 2026
Permits on file
5,237
Phone
(432) 221-7400

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.Dec 1, 2021

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

9,800
total depth, ft
2
permits on file
Dec 1, 2021
last permit issued
May 9, 2022
completed
327K
cumulative oil, bbl
2.69M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 2022 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 9, 2022
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active – Extension (X)

Surface location

31.543903, -101.491677

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
Clarkson 7-26 H O-9-21624Spraberry (Trend Area)Diamondback E&P LLC1327K2.69MFeb 2022 – Jul 2026

Gas, mcf lease total

Last 12 months 680,329 · prior 12 510,252(+33%)

050K100K202420252026

Oil, barrels lease total

Last 12 months 24,054 · prior 12 39,006(-38%)

05K10K202420252026

Chain of custody

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

  1. 1Endeavor Energy Resources L.P.May 2022 → Dec 2024
  2. 2Diamondback E&P LLCJan 2025 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
873856-98DrillEndeavor Energy Resources L.P.Dec 3, 2021Dec 1, 2021—9,800
873856-99DrillEndeavor Energy Resources L.P.Oct 21, 2021Dec 1, 2021Jan 27, 20229,800

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-21624————

Formation tops

As filed on W-2/G-1. Subsea from 2,673 ft elevation.Download CSV →

FormationMD ftSubsea
Queen2,358315
Grayburg2,862-189
San AndresSAN ANDRES - SALTWATER FLOW, POS3,085-412
Clear ForkCLEARFORK4,950-2,277
Spraberry6,051-3,378
Jo Mill6,928-4,255
Dean7,486-4,813
WolfcampWOLFCAMP A7,654-4,981
WolfcampWOLFCAMP B7,972-5,299
Ellenburger——
Fusselman——
Strawn——

Perforations

Perforated and open-hole intervals.

FromToType
8,36318,906Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,10917.5925 S
9.6257,17012.25653 S
5.519,0328.51,649 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 24, 2022Sep 8, 2022Yes
00Jun 29, 2022Apr 19, 2022Yes

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 →

Clarkson 7-26 F42-383-41056

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

Queen2,351322
Grayburg2,863-190
San Andres3,082-409
Clear Fork4,937-2,264
Spraberry6,037-3,364
Jo Mill6,916-4,243
Dean7,479-4,806
Wolfcamp7,646-4,973

10 TOPS · FIRST 8

Ricker 36-27 A42-383-41158

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

Grayburg3,016-344
San Andres3,478-806
Queen3,478-806
Clear Fork4,984-2,312
Spraberry6,064-3,392
Ellenburger—
Strawn—
Fusselman—

Ricker 36-27 B42-383-41159

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

Grayburg3,026-352
Queen3,487-813
San Andres3,488-814
Clear Fork4,994-2,320
Spraberry6,067-3,393
Fusselman—
Strawn—
Ellenburger—

Ricker 36-27 C42-383-41160

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

Grayburg3,026-352
Queen3,488-814
San Andres3,488-814
Clear Fork4,994-2,320
Spraberry6,074-3,400
Ellenburger—
Strawn—
Fusselman—

Ricker 36-27 D42-383-41162

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

Grayburg3,026-352
Queen3,487-813
San Andres3,488-814
Clear Fork4,994-2,320
Spraberry6,936-4,262
Ellenburger—
Fusselman—
Strawn—

Clarkson 7-26 E42-383-40912

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

Queen2,488167
Grayburg2,859-204
San Andres3,147-492
Clear Fork4,886-2,231
Spraberry6,006-3,351
Jo Mill6,854-4,199
Dean7,431-4,776
Wolfcamp7,616-4,961

11 TOPS · FIRST 8

Clarkson 7-26 C42-383-40914

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

Queen2,488167
Grayburg2,859-204
San Andres3,147-492
Clear Fork4,901-2,246
Spraberry6,006-3,351
Jo Mill6,863-4,208
Dean7,437-4,782
Wolfcamp7,605-4,950

10 TOPS · FIRST 8

Clarkson 7-26 B42-383-40913

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

Queen2,488167
Grayburg2,859-204
San Andres3,147-492
Clear Fork4,886-2,231
Spraberry5,996-3,341
Jo Mill6,854-4,199
Dean7,431-4,776
Wolfcamp7,596-4,941

11 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/38341057, documented in the API reference.