42-329-44350

PRODUCING Horizontal

RIO COMAL 26-31 UNIT 2

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

Permits

1

Max Depth

10,651 ft

First Permit

2020-07-07

Latest Activity

2020-07-07

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2020-11-11

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

2020-09

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 (12) Elevation 2,729 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,000 ft+1,729 ft
YATES 2,607 ft+122 ft
SEVEN RIVERS 2,955 ft-226 ft
QUEEN 3,785 ft-1,056 ft
GRAYBURG 4,602 ft-1,873 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)5,078 ft-2,349 ft
GLORIETA 6,056 ft-3,327 ft
CLEARFORK (Clear Fork)7,017 ft-4,288 ft
SPRABERRY 7,731 ft-5,002 ft
CAMBRIAN
PRECAMBRIAN (UNDIFFERENTIATED)
RUSTLER

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
42-329-44345 RIO COMAL 26-31 D · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 1,000'Yates 2,607'Seven Rivers 2,955'Queen 3,785'Grayburg 4,600'Grayburg 4,602'San Andres 5,063'San Andres 5,078'Glorieta 6,056'Glorieta 6,061'Clear Fork 7,013'Clear Fork 7,017' +3 more
42-329-45407 RIO BRAZOS 26-15 UNIT 2 · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 940'Santa Rosa 945'Rustler 1,650'Rustler 1,656'Yates 2,680'Seven Rivers 3,045'Seven Rivers 3,046'Queen 3,850'Queen 3,852'Grayburg 4,520'Grayburg 4,526'San Andres 4,560' +7 more
42-329-45406 RIO BRAZOS 26-15 UNIT 2 · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 940'Santa Rosa 945'Rustler 1,650'Rustler 1,656'Yates 2,680'Seven Rivers 3,045'Seven Rivers 3,046'Queen 3,850'Queen 3,852'Grayburg 4,520'Grayburg 4,526'San Andres 4,560' +7 more
42-329-45408 RIO BRAZOS 26-15 UNIT 2 · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 940'Santa Rosa 945'Rustler 1,650'Rustler 1,656'Yates 2,680'Seven Rivers 3,045'Seven Rivers 3,046'Queen 3,850'Queen 3,852'Grayburg 4,520'Grayburg 4,526'San Andres 4,560' +7 more
42-329-45405 RIO BRAZOS 26-15 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 940'Santa Rosa 945'Rustler 1,650'Rustler 1,656'Yates 2,680'Seven Rivers 3,045'Seven Rivers 3,046'Queen 3,850'Queen 3,852'Grayburg 4,520'Grayburg 4,526'San Andres 4,560' +7 more
42-329-45409 RIO BRAZOS 26-15 UNIT 2 · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 940'Santa Rosa 945'Rustler 1,650'Rustler 1,656'Yates 2,680'Seven Rivers 3,045'Seven Rivers 3,046'Queen 3,850'Queen 3,852'Grayburg 4,520'Grayburg 4,526'San Andres 4,560' +7 more
42-329-45404 RIO BRAZOS 26-15 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 940'Santa Rosa 945'Rustler 1,650'Rustler 1,656'Yates 2,680'Seven Rivers 3,045'Seven Rivers 3,046'Queen 3,850'Queen 3,852'Grayburg 4,520'Grayburg 4,526'San Andres 4,560' +7 more
42-329-45388 RIO BRAZOS 26-15 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.2 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 (1)

IntervalType
9,553–17,133 ftPerforated

Casing (5)

SizeSet DepthCement
13.375"1,238 ft1,035 sx
9.625"8,206 ft600 sx
9.625"8,403 ft600 sx
5.5"17,259 ft1,765 sx
5.5"17,282 ft1,765 sx

Permit History (1)

Applications (1)

#864115 A ENDEAVOR ENERGY RESOURCES L.P.
received 2020-07-01

Records & Logs

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

W-2/G-1 2026-03-11
W-2/G-1 2021-02-08 log on file
W-2/G-1 2020-09-16 log on file

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.

Lat 31.802425
Lon -102.046724

Well Details

Well Number
151
Max Depth
10,651 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2020-11-11

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
5,060