42-461-42801

PRODUCING Horizontal

BOSS EAST N 40-45

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

Permits

2

Max Depth

10,605 ft

First Permit

2024-05-07

Latest Activity

2024-05-07

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-11-14

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

2024-08

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 (9) Elevation 2,810 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,660 ft+150 ft
GRAYBURG 4,574 ft-1,764 ft
SAN ANDRES - SALTWATER FLOW (San Andres)4,733 ft-1,923 ft
SPRABERRY 7,691 ft-4,881 ft
WOLFCAMP 9,189 ft-6,379 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
42-461-42802 BOSS EAST N 40-45 · DE IV OPERATING, LLC
0.0 mi
Yates 2,664'Queen 3,719'Grayburg 4,571'San Andres 4,732'Clear Fork 6,821'Spraberry 7,691'Devonian Wolfcamp Strawn Fusselman Ellenburger
42-461-42799 BOSS EAST O 40-45 · DE IV OPERATING, LLC
0.0 mi
Yates 2,658'Grayburg 4,575'San Andres 4,734'Spraberry 7,688'Wolfcamp 9,193'Fusselman Ellenburger Devonian Strawn
42-461-42804 BOSS EAST M 40-45 · DE IV OPERATING, LLC
0.0 mi
Yates 2,668'Queen 3,716'Grayburg 4,570'San Andres 4,729'Clear Fork 6,829'Spraberry 7,697'Fusselman Ellenburger Devonian Wolfcamp Strawn
42-461-42800 BOSS EAST O 40-45 · DE IV OPERATING, LLC
0.0 mi
Yates 2,666'Grayburg 4,577'San Andres 4,733'Spraberry 7,696'Strawn Wolfcamp Ellenburger Devonian Fusselman
42-461-42803 BOSS EAST M 40-45 · DE IV OPERATING, LLC
0.0 mi
Yates 2,668'Queen 3,720'Grayburg 4,571'San Andres 4,730'Clear Fork 6,827'Spraberry 7,692'Wolfcamp 9,192'Fusselman Ellenburger Devonian Strawn
42-461-42811 BOSS EAST M 40-45 · DE IV OPERATING, LLC
0.1 mi
Yates 2,658'Queen 3,721'Grayburg 4,572'San Andres 4,725'Clear Fork 6,830'Spraberry 7,700'Strawn Ellenburger Devonian Wolfcamp Yates Fusselman
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'Ellenburger Yates Devonian Fusselman Wolfcamp +1 more
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

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
9,691–20,150 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"491 ft365 sx
9.625"8,709 ft1,965 sx
5.5"20,248 ft2,925 sx

Permit History (2)

Applications (2)

#899372 A DE IV OPERATING, LLC
received 2024-05-09
#899372 A DE IV OPERATING, LLC
received 2024-04-30

Records & Logs

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

W-2/G-1 2025-01-14
W-2/G-1 2024-09-30 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 31.535988
Lon -102.061546

Well Details

Well Number
4214H
Max Depth
10,605 ft
Drill Type
Horizontal
County
UPTON
District
7
Completed
2024-11-14

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