42-383-41829

Horizontal

UL OG EAST O 1219-27

REAGAN County · District 7 · DE CENTRAL OPERATING LLC · SPRABERRY (TREND AREA)

Permits

2

Max Depth

8,700 ft

First Permit

2024-09-19

Latest Activity

2024-09-19

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2025-03-10

Shut-In

Plugged

!

EWA / Permit operator mismatch

Scheduling: DE CENTRAL OPERATING LLC ≠ Permit: DE IV OPERATING, LLC

Resolved via: productionDE CENTRAL OPERATING, LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2025-02

Last Production

2026-07

Operator History

originally filed by DE IV OPERATING, LLC — asset transferred

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (9) Elevation 2,638 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN 2,446 ft+192 ft
GRAYBURG 2,861 ft-223 ft
SAN ANDRES - SALTWATER FLOW, POS (San Andres)3,001 ft-363 ft
CLEARFORK (Clear Fork)5,109 ft-2,471 ft
SPRABERRY 5,950 ft-3,312 ft
WOLFCAMP 7,502 ft-4,864 ft
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
42-383-41828 UL OG EAST I 1219-27 · DE IV OPERATING, LLC
0.0 mi
Queen 2,442'Grayburg 2,857'San Andres 2,999'Clear Fork 5,106'Spraberry 5,946'Wolfcamp 7,506'Strawn Fusselman Ellenburger
42-383-41832 UL OG EAST L 1219-27 · DE IV OPERATING, LLC
0.0 mi
Queen 2,447'Grayburg 2,865'San Andres 3,012'Clear Fork 5,093'Spraberry 5,933'Wolfcamp 7,494'Fusselman Strawn Ellenburger
42-383-41835 UL OG EAST O 1219-27 · DE IV OPERATING, LLC
0.0 mi
Queen 2,453'Grayburg 2,875'San Andres 3,024'Clear Fork 5,085'Spraberry 5,933'Wolfcamp 7,484'Fusselman Strawn Ellenburger
42-383-41830 UL OG EAST J 1219-27 · DE IV OPERATING, LLC
0.0 mi
Queen 2,445'Grayburg 2,864'San Andres 3,022'Clear Fork 5,103'Spraberry 5,950'Wolfcamp 7,499'Strawn Fusselman Ellenburger
42-383-41489 STATE PINK FLOYD EAST I 1218-2 · DE IV OPERATING, LLC
0.2 mi
Queen 2,445'Grayburg 2,865'San Andres 3,007'Clear Fork 5,109'Spraberry 5,946'Fusselman Strawn Ellenburger
42-383-41491 STATE PINK FLOYD EAST K 1218-2 · DE IV OPERATING, LLC
0.2 mi
Queen 2,447'Grayburg 2,870'San Andres 3,011'Clear Fork 5,101'Spraberry 5,939'Fusselman Strawn Ellenburger
42-383-41490 STATE PINK FLOYD EAST K 1218-2 · DE IV OPERATING, LLC
0.2 mi
Queen 2,466'Grayburg 2,870'San Andres 3,013'Clear Fork 5,095'Spraberry 5,939'Fusselman Strawn Ellenburger
42-383-41492 STATE PINK FLOYD EAST M 1218-2 · DE IV OPERATING, LLC
0.2 mi
Queen 2,447'Grayburg 2,875'San Andres 3,018'San Andres 3,018'Clear Fork 5,086'Spraberry 5,930'Strawn Ellenburger Fusselman

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
8,557–20,208 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"900 ft605 sx
9.625"7,645 ft1,255 sx
5.5"20,308 ft2,035 sx

Permit History (2)

Applications (2)

#902177 A DE IV OPERATING, LLC
received 2024-09-24
#902177 A DE IV OPERATING, LLC
received 2024-08-20

Records & Logs

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

W-2/G-1 2025-06-05
W-2/G-1 2025-04-10 log on file
W-2/G-1 2025-04-10 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 31.342865
Lon -101.554798

Well Details

Well Number
4409H
Max Depth
8,700 ft
Drill Type
Horizontal
County
REAGAN
District
7
Completed
2025-03-10

Operator

Location
FORT WORTH
P-5 Status
Active (filed 2025-12-16)
Cum Oil (all leases)
16,050,090 bbl
Cum Gas (all leases)
4,126 mcf
Activities
OPRS/G, OPRS/O
Total Permits
313