42-329-43784

PRODUCING Horizontal

RIO LLANO 11-10 G

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

Permits

2

Max Depth

9,712 ft

First Permit

2019-10-28

Latest Activity

2019-10-28

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2020-10-24

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

2020-01

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 (20) Elevation 2,861 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,000 ft+1,861 ft
YATES 1,250 ft+1,611 ft
SEVEN RIVERS 1,300 ft+1,561 ft
SANTA ROSA 1,303 ft+1,558 ft
YATES 2,792 ft+69 ft
SEVEN RIVERS 3,106 ft-245 ft
QUEEN 3,700 ft-839 ft
QUEEN 3,888 ft-1,027 ft
GRAYBURG 4,411 ft-1,550 ft
GRAYBURG 4,492 ft-1,631 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,631 ft-1,770 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)5,035 ft-2,174 ft
GLORIETA 5,159 ft-2,298 ft
CLEARFORK (Clear Fork)6,849 ft-3,988 ft
CLEARFORK (Clear Fork)7,037 ft-4,176 ft
SPRABERRY 7,630 ft-4,769 ft
SPRABERRY 7,838 ft-4,977 ft
SPRABERRY UPPER-DEAN (Spraberry)8,413 ft-5,552 ft
GLORIETA
SPRABERRY UPPER-DEAN (Spraberry)

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
42-329-43783 RIO LLANO 11-10 E · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 1,000'Yates 1,250'Seven Rivers 1,300'Santa Rosa 1,303'Yates 2,792'Seven Rivers 3,106'Queen 3,700'Queen 3,888'Grayburg 4,411'Grayburg 4,492'San Andres 4,631'San Andres 5,035' +8 more
42-329-43782 RIO LLANO 11-10 E · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 1,000'Yates 1,250'Seven Rivers 1,300'Santa Rosa 1,303'Yates 2,792'Seven Rivers 3,106'Queen 3,700'Queen 3,888'Grayburg 4,411'Grayburg 4,492'San Andres 4,631'San Andres 5,035' +8 more
42-329-43781 RIO LLANO 11-10 E · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 1,000'Yates 1,250'Seven Rivers 1,300'Santa Rosa 1,303'Yates 2,792'Seven Rivers 3,106'Queen 3,700'Queen 3,888'Grayburg 4,411'Grayburg 4,492'San Andres 4,631'San Andres 5,035' +8 more
42-329-43777 RIO LLANO 11-10 D · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 1,000'Yates 1,250'Seven Rivers 1,300'Santa Rosa 1,303'Yates 2,792'Queen 3,700'Grayburg 4,411'San Andres 5,035'Glorieta 5,159'Clear Fork 6,849'Spraberry 7,630'Spraberry 8,413' +8 more
42-329-43776 RIO LLANO 11-10 D · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 1,000'Yates 1,250'Seven Rivers 1,300'Santa Rosa 1,303'Yates 2,792'Seven Rivers 3,106'Queen 3,700'Queen 3,888'Grayburg 4,411'Grayburg 4,492'San Andres 4,631'San Andres 5,035' +8 more
42-329-45048 RIO GUADALUPE 22-23 G · ENDEAVOR ENERGY RESOURCES L.P.
0.1 mi
Santa Rosa 1,307'Rustler 1,722'Yates 2,888'Seven Rivers 3,193'Queen 4,096'Grayburg 4,695'San Andres 5,211'Glorieta 6,082'Clear Fork 6,982'Spraberry 8,752'
42-329-45031 RIO GUADALUPE 22-23 E · ENDEAVOR ENERGY RESOURCES L.P.
0.1 mi
Santa Rosa 1,307'Rustler 1,722'Yates 2,882'Seven Rivers 3,174'Queen 4,074'Grayburg 4,665'San Andres 5,209'Glorieta 6,087'Clear Fork 6,988'Spraberry 8,766'
42-329-45030 RIO GUADALUPE 22-23 E · ENDEAVOR ENERGY RESOURCES L.P.
0.1 mi
Santa Rosa 1,307'Rustler 1,722'Yates 2,887'Seven Rivers 3,185'Queen 4,075'Grayburg 4,661'San Andres 5,214'Glorieta 6,093'Clear Fork 6,995'Spraberry 7,840'Spraberry 8,134'

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
8,781–19,100 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,314 ft1,090 sx
9.625"8,015 ft625 sx
5.5"19,225 ft2,605 sx

Permit History (2)

Applications (2)

#858346 A ENDEAVOR ENERGY RESOURCES L.P.
received 2020-03-09
#858346 A ENDEAVOR ENERGY RESOURCES L.P.
received 2019-10-23

Records & Logs

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

W-2/G-1 2021-02-01 log on file
W-2/G-1 2020-07-14 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 31.796341
Lon -102.099886

Well Details

Well Number
171
Max Depth
9,712 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2020-10-24

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