42-383-41056

PRODUCING Horizontal

CLARKSON 7-26 F

REAGAN County · District 7 · DIAMONDBACK E&P LLC · SPRABERRY (TREND AREA)

Permits

2

Max Depth

9,800 ft

First Permit

2021-12-01

Latest Activity

2021-12-01

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2022-05-09

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: DIAMONDBACK E&P LLC ≠ Permit: ENDEAVOR ENERGY RESOURCES L.P.

Resolved via: productionDIAMONDBACK E&P LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2022-02

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (10) Elevation 2,673 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN 2,351 ft+322 ft
GRAYBURG 2,863 ft-190 ft
SAN ANDRES - SALTWATER FLOW, POS (San Andres)3,082 ft-409 ft
CLEARFORK (Clear Fork)4,937 ft-2,264 ft
SPRABERRY 6,037 ft-3,364 ft
JO MILL 6,916 ft-4,243 ft
DEAN 7,479 ft-4,806 ft
WOLFCAMP A (Wolfcamp)7,646 ft-4,973 ft
WOLFCAMP B (Wolfcamp)7,968 ft-5,295 ft
STRAWN

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-383-41057 CLARKSON 7-26 H · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Queen 2,358'Grayburg 2,862'San Andres 3,085'Clear Fork 4,950'Spraberry 6,051'Jo Mill 6,928'Dean 7,486'Wolfcamp 7,654'Wolfcamp 7,972'Strawn Ellenburger Fusselman
42-383-41158 RICKER 36-27 A · ENDEAVOR ENERGY RESOURCES L.P.
0.4 mi
Grayburg 3,016'San Andres 3,478'Queen 3,478'Clear Fork 4,984'Spraberry 6,064'Strawn Ellenburger Fusselman
42-383-41159 RICKER 36-27 B · ENDEAVOR ENERGY RESOURCES L.P.
0.4 mi
Grayburg 3,026'Queen 3,487'San Andres 3,488'Clear Fork 4,994'Spraberry 6,067'Strawn Ellenburger Fusselman
42-383-41160 RICKER 36-27 C · ENDEAVOR ENERGY RESOURCES L.P.
0.5 mi
Grayburg 3,026'Queen 3,488'San Andres 3,488'Clear Fork 4,994'Spraberry 6,074'Strawn Fusselman Ellenburger
42-383-41162 RICKER 36-27 D · ENDEAVOR ENERGY RESOURCES L.P.
0.5 mi
Grayburg 3,026'Queen 3,487'San Andres 3,488'Clear Fork 4,994'Spraberry 6,936'Ellenburger Strawn Fusselman
42-383-40912 CLARKSON 7-26 E · ENDEAVOR ENERGY RESOURCES L.P.
0.5 mi
Queen 2,488'Queen 2,534'Grayburg 2,859'Grayburg 2,981'San Andres 3,147'San Andres 3,420'Clear Fork 4,886'Clear Fork 4,909'Spraberry 6,006'Spraberry 6,535'Jo Mill 6,854'Dean 7,431' +5 more
42-383-40914 CLARKSON 7-26 C · ENDEAVOR ENERGY RESOURCES L.P.
0.5 mi
Queen 2,488'Queen 2,534'Grayburg 2,859'Grayburg 2,981'San Andres 3,147'San Andres 3,420'Clear Fork 4,901'Spraberry 6,006'Spraberry 6,547'Jo Mill 6,863'Dean 7,437'Wolfcamp 7,605' +3 more
42-383-40913 CLARKSON 7-26 B · ENDEAVOR ENERGY RESOURCES L.P.
0.5 mi
Queen 2,488'Queen 2,534'Grayburg 2,859'Grayburg 2,981'San Andres 3,147'San Andres 3,420'Clear Fork 4,886'Clear Fork 4,909'Spraberry 5,996'Spraberry 6,556'Jo Mill 6,854'Jo Mill 6,875' +6 more

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (1)

IntervalType
8,373–19,168 ftPerforated

Casing (5)

SizeSet DepthCement
13.375"1,029 ft890 sx
8.625"1,029 ft890 sx
9.625"7,152 ft648 sx
5.5"19,291 ft1,678 sx
5.5"19,306 ft1,678 sx

Permit History (2)

Applications (2)

#873855 A ENDEAVOR ENERGY RESOURCES L.P.
received 2021-12-03
#873855 A ENDEAVOR ENERGY RESOURCES L.P.
received 2021-10-21

Records & Logs

2 completion filings on record · 2 with log images at RRC.

W-2/G-1 2022-09-08 log on file
W-2/G-1 2022-04-18 log on file
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.

Lat 31.543918
Lon -101.491599

Well Details

Well Number
261
Max Depth
9,800 ft
Drill Type
Horizontal
County
REAGAN
District
7
Completed
2022-05-09

Operator

Location
MIDLAND
P-5 Status
X (filed 2026-05-04)
Cum Oil (all leases)
986,290,193 bbl
Cum Gas (all leases)
41,995,553 mcf
Activities
GTHS/C, GTHS/O, OPRS/G, OPRS/O
Total Permits
4,969