42-329-46867

PRODUCING Horizontal

RIO SAN MARCOS 36-45 UNIT 2A

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

Permits

1

Max Depth

10,049 ft

First Permit

2024-03-07

Latest Activity

2024-03-07

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2025-02-03

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

2024-03

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.

Formation Tops (19) Elevation 2,700 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,000 ft+1,700 ft
RUSTLER 1,608 ft+1,092 ft
YATES 2,608 ft+92 ft
YATES 2,622 ft+78 ft
SEVEN RIVERS 2,977 ft-277 ft
QUEEN 3,818 ft-1,118 ft
GRAYBURG 4,377 ft-1,677 ft
GRAYBURG 4,385 ft-1,685 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)5,108 ft-2,408 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)5,118 ft-2,418 ft
GLORIETA 5,853 ft-3,153 ft
GLORIETA 5,858 ft-3,158 ft
CLEARFORK (Clear Fork)6,760 ft-4,060 ft
CLEARFORK (Clear Fork)6,774 ft-4,074 ft
SPRABERRY 7,661 ft-4,961 ft
SPRABERRY 7,669 ft-4,969 ft
RUSTLER
SANTA ROSA
SEVEN RIVERS

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
42-329-46869 RIO SAN MARCOS 36-45 UNIT 2B · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 1,000'Rustler 1,614'Yates 2,609'Queen 3,679'Grayburg 4,366'San Andres 5,161'Glorieta 5,632'Clear Fork 6,767'Spraberry 7,660'Seven Rivers
42-329-46868 RIO SAN MARCOS 36-45 UNIT 2A · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 1,000'Rustler 1,608'Yates 2,608'Yates 2,620'Seven Rivers 2,977'Queen 3,816'Queen 3,818'Grayburg 4,385'Grayburg 4,395'San Andres 5,105'San Andres 5,118'Glorieta 5,853' +8 more
42-329-46865 RIO SAN MARCOS 36-45 UNIT 2A · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 1,000'Rustler 1,608'Yates 2,608'Yates 2,614'Seven Rivers 2,977'Queen 3,814'Queen 3,818'Grayburg 4,385'San Andres 5,118'Glorieta 5,853'Clear Fork 6,763'Spraberry 7,661' +8 more
42-329-46866 RIO SAN MARCOS 36-45 UNIT 2A · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 1,000'Rustler 1,608'Yates 2,608'Yates 2,617'Seven Rivers 2,978'Queen 3,818'Queen 3,821'Grayburg 4,384'Grayburg 4,385'San Andres 4,641'San Andres 5,108'Glorieta 5,403' +8 more
42-329-41960 RIO SAN MARCOS 36-45 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.2 mi
Santa Rosa 1,790'Yates 2,597'Seven Rivers 2,974'Queen 3,742'Grayburg 4,411'San Andres 5,035'Glorieta 5,810'Clear Fork 6,849'Spraberry 7,630'Spraberry 9,134'
42-329-41934 RIO SAN MARCOS 36-45 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.2 mi
Santa Rosa 1,790'Yates 2,597'Seven Rivers 2,974'Queen 3,742'Grayburg 4,411'San Andres 5,035'Glorieta 5,810'Clear Fork 6,849'Spraberry 7,630'Spraberry 9,134'
42-329-42323 RIO SAN MARCOS 36-45 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.2 mi
Santa Rosa 1,790'Yates 2,597'Seven Rivers 2,974'Queen 3,742'Grayburg 4,411'San Andres 5,035'Glorieta 5,810'Clear Fork 6,849'Spraberry 7,630'Spraberry 9,134'
42-329-41958 RIO SAN MARCOS 36-45 UNIT 1 · ENDEAVOR ENERGY RESOURCES L.P.
0.2 mi
Santa Rosa 1,000'Yates 2,597'Seven Rivers 2,974'Queen 3,742'Grayburg 4,411'San Andres 5,035'Glorieta 6,029'Clear Fork 6,849'Spraberry 7,360'Spraberry 7,630'Spraberry 8,196'Wolfcamp 8,566'

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
8,689–18,668 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,366 ft875 sx
9.625"7,946 ft1,255 sx
5.5"18,686 ft2,075 sx

Permit History (1)

Applications (1)

#897849 A ENDEAVOR ENERGY RESOURCES L.P.
received 2024-03-01

Records & Logs

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

W-2/G-1 2025-06-11 log on file
W-2/G-1 2024-10-17

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 31.791360
Lon -102.008776

Well Details

Well Number
161
Max Depth
10,049 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2025-02-03

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