42-461-42809

SHUT IN Horizontal

BOSS EAST K 40-45

UPTON County · District 7 · DIAMONDBACK E&P LLC · SPRABERRY (TREND AREA)

Permits

2

Max Depth

10,605 ft

First Permit

2024-05-08

Latest Activity

2024-05-08

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-11-05

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: DIAMONDBACK E&P LLC ≠ Permit: DE IV OPERATING, LLC

Resolved via: productionDIAMONDBACK E&P LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2024-07

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 (9) Elevation 2,813 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,673 ft+140 ft
GRAYBURG 4,574 ft-1,761 ft
SAN ANDRES - SALTWATER FLOW (San Andres)4,715 ft-1,902 ft
SPRABERRY 7,701 ft-4,888 ft
WOLFCAMP 9,187 ft-6,374 ft
DEVONIAN
ELLENBURGER
FUSSELMAN
STRAWN

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
42-461-42812 BOSS EAST I 40-45 · DE IV OPERATING, LLC
0.0 mi
Yates 2,682'Grayburg 4,579'San Andres 4,721'Spraberry 7,705'Wolfcamp 9,185'Devonian Strawn Fusselman Ellenburger
42-461-42810 BOSS EAST K 40-45 · DE IV OPERATING, LLC
0.0 mi
Yates 2,671'Grayburg 4,579'San Andres 4,719'Spraberry 7,702'Strawn Fusselman Ellenburger Devonian Wolfcamp
42-461-42813 BOSS EAST I 40-45 · DE IV OPERATING, LLC
0.0 mi
Yates 2,668'Grayburg 4,575'San Andres 4,717'Spraberry 7,700'Fusselman Ellenburger Devonian Wolfcamp Strawn
42-461-42814 BOSS EAST I 40-45 · DE IV OPERATING, LLC
0.0 mi
Yates 2,668'Grayburg 4,572'San Andres 4,715'Spraberry 7,699'Strawn Wolfcamp Ellenburger Devonian Fusselman
42-461-42808 BOSS EAST K 40-45 · DE IV OPERATING, LLC
0.1 mi
Yates 2,672'Queen 3,720'Grayburg 4,575'San Andres 4,721'Clear Fork 6,832'Spraberry 7,697'Wolfcamp 9,176'Fusselman Wolfcamp Strawn Yates Ellenburger +1 more
42-461-42806 BOSS EAST L 40-45 · DE IV OPERATING, LLC
0.1 mi
Yates 2,667'Queen 3,729'Grayburg 4,573'San Andres 4,721'Clear Fork 6,831'Spraberry 7,697'Wolfcamp Fusselman Ellenburger Devonian Strawn Yates
42-461-42807 BOSS EAST L 40-45 · DE IV OPERATING, LLC
0.1 mi
Yates 2,661'Queen 3,720'Grayburg 4,571'San Andres 4,720'Clear Fork 6,829'Spraberry 7,695'Strawn Ellenburger Devonian Wolfcamp Fusselman Yates
42-461-42805 BOSS EAST L 40-45 · DE IV OPERATING, LLC
0.1 mi
Yates 2,666'Queen 3,721'Grayburg 4,572'San Andres 4,726'Clear Fork 6,832'Spraberry 7,696'Wolfcamp 9,179'Wolfcamp Ellenburger Devonian Fusselman Strawn +1 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
9,733–18,578 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"468 ft365 sx
9.625"8,695 ft1,970 sx
5.5"20,286 ft2,050 sx

Permit History (2)

Applications (2)

#899392 A DE IV OPERATING, LLC
received 2024-05-09
#899392 A DE IV OPERATING, LLC
received 2024-05-01

Records & Logs

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

W-2/G-1 2025-01-13
W-2/G-1 2024-09-19 log on file
Completion packets + logs ↗ Wellbore filings ↗

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

Lat 31.535121
Lon -102.065100

Well Details

Well Number
4211H
Max Depth
10,605 ft
Drill Type
Horizontal
County
UPTON
District
7
Completed
2024-11-05

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
5,055