42-329-45268

PRODUCING Horizontal

COSPER 37-48 UNIT 1A

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

Permits

2

Max Depth

9,000 ft

First Permit

2021-11-23

Latest Activity

2021-11-23

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2022-10-08

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

2022-08

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 2,679 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 960 ft+1,719 ft
RUSTLER 1,550 ft+1,129 ft
YATES 2,435 ft+244 ft
SEVEN RIVERS 2,660 ft+19 ft
QUEEN 3,376 ft-697 ft
GRAYBURG 4,020 ft-1,341 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,413 ft-1,734 ft
GLORIETA 5,340 ft-2,661 ft
CLEARFORK (Clear Fork)6,271 ft-3,592 ft
SPRABERRY 8,235 ft-5,556 ft

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
42-329-45270 COSPER 37-48 UNIT 1A · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 960'Rustler 1,550'Yates 2,435'Seven Rivers 2,660'Queen 3,376'Grayburg 4,020'San Andres 4,413'Glorieta 5,340'Clear Fork 6,271'Spraberry 7,313'
42-329-45285 COSPER 37-48 'B1' · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 960'Rustler 1,550'Yates 2,435'Seven Rivers 2,660'Queen 3,376'Grayburg 4,040'San Andres 4,413'Glorieta 5,340'Clear Fork 6,271'Spraberry 7,324'
42-329-45269 COSPER 37-48 UNIT 1A · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 960'Rustler 1,550'Yates 2,435'Seven Rivers 2,660'Queen 3,376'Grayburg 4,020'San Andres 4,413'Glorieta 5,340'Clear Fork 6,271'Spraberry 7,879'
42-329-45266 COSPER 37-48 'A' · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 960'Rustler 1,550'Yates 2,435'Seven Rivers 2,660'Queen 3,376'Grayburg 4,020'San Andres 4,413'Glorieta 5,340'Clear Fork 6,271'Spraberry 7,313'
42-329-45267 COSPER 37-48 'A' · ENDEAVOR ENERGY RESOURCES L.P.
0.0 mi
Santa Rosa 960'Rustler 1,550'Yates 2,435'Seven Rivers 2,660'Queen 3,376'Grayburg 4,020'San Andres 4,413'Glorieta 5,340'Clear Fork 6,393'Spraberry 7,319'
42-329-45286 COSPER 37-48 'C1' · ENDEAVOR ENERGY RESOURCES L.P.
0.4 mi
Santa Rosa 960'Rustler 1,575'Yates 2,435'Seven Rivers 2,660'Queen 3,376'Grayburg 4,065'San Andres 4,436'Glorieta 5,365'Clear Fork 6,370'Spraberry 7,294'
42-329-45272 COSPER 37-48 'C' · ENDEAVOR ENERGY RESOURCES L.P.
0.4 mi
Santa Rosa 960'Rustler 1,550'Yates 2,435'Seven Rivers 2,660'Queen 3,376'Grayburg 4,020'San Andres 4,413'Glorieta 5,340'Clear Fork 6,271'Spraberry 8,231'
42-329-45284 COSPER 37-48 'D' · ENDEAVOR ENERGY RESOURCES L.P.
0.4 mi
Santa Rosa 960'Rustler 1,575'Yates 2,435'Seven Rivers 2,660'Queen 3,376'Grayburg 4,065'San Andres 4,436'Glorieta 5,365'Clear Fork 6,296'Spraberry 7,279'

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
8,775–18,592 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,338 ft1,130 sx
9.625"7,985 ft1,070 sx
5.5"18,720 ft2,040 sx

Permit History (2)

Applications (2)

#874271 A ENDEAVOR ENERGY RESOURCES L.P.
received 2022-03-21
#874271 A ENDEAVOR ENERGY RESOURCES L.P.
received 2021-11-05

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2022-10-31 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 32.069410
Lon -101.856145

Well Details

Well Number
122
Max Depth
9,000 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2022-10-08

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
4,970