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42-329-34837

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PERRO ROJO 26

MIDLAND County · District 8 · DIAMONDBACK E&P LLC · SPRABERRY (TREND AREA)

Permits

2

Max Depth

11,400 ft

First Permit

2003-03-17

Latest Activity

2018-03-19

Lifespan

15 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2022-07-21

Shut-In

—

Plugged

—

P-5 Org Status: X

!

EWA / Production operator mismatch

Scheduling: DIAMONDBACK E&P LLC ≠ Production: ENDEAVOR ENERGY RESOURCES L.P. (reported 2024-01)

!

EWA / Permit operator mismatch

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

Resolved via: scheduling → DIAMONDBACK E&P LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2001-04

Last Production

2026-07

Operator History

originally filed by ENDEAVOR ENERGY RESOURCES L.P. — asset transferred

Lease Production

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

Oil
production & DCA →

Formation Tops (6) Elevation 2,711 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
UPPER SPRABERRY (Spraberry)7,700 ft-4,989 ft
LOWER SPRABERRY (Spraberry)8,275 ft-5,564 ft
UPPER WOLFCAMP (Wolfcamp)9,565 ft-6,854 ft
MIDDLE WOLFCAMP (Wolfcamp)9,925 ft-7,214 ft
STRAWN LIME (Strawn)10,650 ft-7,939 ft
ATOKA ——

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
✓ 42-329-45377 RIO BRAZOS 26-15 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.2 mi
Santa Rosa 940'Rustler 1,642'Rustler 1,650'Yates 2,662'Yates 2,680'Seven Rivers 3,025'Seven Rivers 3,045'Queen 3,836'Queen 3,850'Grayburg 4,490'Grayburg 4,520'San Andres 4,560' +5 more
✓ 42-329-45378 RIO BRAZOS 26-15 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.2 mi
Santa Rosa 940'Rustler 1,642'Rustler 1,650'Yates 2,662'Yates 2,680'Seven Rivers 3,025'Queen 3,836'Grayburg 4,490'San Andres 4,955'Glorieta 5,911'Clear Fork 6,856'Spraberry 7,751' +8 more
✓ 42-329-45379 RIO BRAZOS 26-15 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.2 mi
Santa Rosa 940'Rustler 1,642'Rustler 1,650'Yates 2,662'Yates 2,680'Seven Rivers 3,025'Seven Rivers 3,045'Queen 3,836'Queen 3,850'Grayburg 4,490'Grayburg 4,520'San Andres 4,560' +7 more
✓ 42-329-45380 RIO BRAZOS 26-15 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.2 mi
Santa Rosa 940'Rustler 1,642'Rustler 1,650'Yates 2,662'Yates 2,680'Seven Rivers 3,025'Seven Rivers 3,045'Queen 3,836'Queen 3,850'Grayburg 4,490'Grayburg 4,520'San Andres 4,560' +7 more
✓ 42-329-45381 RIO BRAZOS 26-15 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.2 mi
Santa Rosa 940'Rustler 1,642'Rustler 1,650'Yates 2,662'Yates 2,680'Seven Rivers 3,025'Seven Rivers 3,045'Queen 3,836'Queen 3,850'Grayburg 4,490'Grayburg 4,520'San Andres 4,560' +7 more
✓ 42-329-45382 RIO BRAZOS 26-15 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.2 mi
Santa Rosa 940'Rustler 1,642'Rustler 1,650'Yates 2,662'Yates 2,680'Seven Rivers 3,025'Seven Rivers 3,045'Queen 3,836'Queen 3,851'Grayburg 4,490'Grayburg 4,520'San Andres 4,560' +7 more
✓ 42-329-45383 RIO BRAZOS 26-15 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.3 mi
Santa Rosa 940'Santa Rosa 943'Rustler 1,650'Yates 2,671'Yates 2,680'Seven Rivers 3,034'Seven Rivers 3,045'Queen 3,844'Queen 3,850'Grayburg 4,507'Grayburg 4,520'San Andres 4,560' +7 more
✓ 42-329-45384 RIO BRAZOS 26-15 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.3 mi
Santa Rosa 940'Santa Rosa 943'Rustler 1,650'Yates 2,671'Yates 2,680'Seven Rivers 3,034'Seven Rivers 3,045'Queen 3,844'Queen 3,850'Grayburg 4,507'Grayburg 4,520'San Andres 4,560' +7 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 (2)

IntervalType
8,310–9,954 ftPerforated
8,310–10,891 ftPerforated

Casing (3)

SizeSet DepthCement
12.75"280 ft330 sx
8.625"5,118 ft425 sx
4.5"11,000 ft1,270 sx

Permit History (2)

#837568 Recompletion Final Completion

PERRO ROJO '26' · 11,000 ft

2018-03-19

Spud 2003-08-20

#529396 Drill Final Completion

PERRO ROJO "26" · 11,400 ft

2003-03-17

Spud 2003-08-20

Applications (2)

#837568 A ENDEAVOR ENERGY RESOURCES L.P.
received 2018-03-15
#529396 A ENDEAVOR ENERGY RESOURCES L.P.
received 2003-03-10

Records & Logs

4 completion filings on record · 1 with log images at RRC.

W-2/G-1 2022-11-28
W-2/G-1 2018-05-10
W-2/G-1 2003-11-13 log on file
W-2/G-1 2004-03-17
Completion packets + logs ↗ Wellbore filings ↗

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

Google Maps → Explorer Map →
Lat 31.807021
Lon -102.041527

Well Details

Well Number
6
Max Depth
11,400 ft
Drill Type
Vertical
County
MIDLAND
District
8
Operator
DIAMONDBACK E&P LLC
Completed
2022-07-21

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