42-283-37864

Horizontal

ALTITO B 4C UNIT

LA SALLE County · District 1 · VERDUN OIL EF II LLC

Permits

2

Max Depth

9,900 ft

First Permit

2025-12-22

Latest Activity

2025-12-22

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

Formation Tops (10) Elevation 420 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
ESCONDIDO 9,190 ft-8,770 ft
AUSTIN CHALK 9,592 ft-9,172 ft
EAGLE FORD - H2S (Eagle Ford)9,778 ft-9,358 ft
BUDA - H2S (Buda)
EDWARDS - H2S (Edwards)
OLMOS - DISPOSAL (Olmos)
QUEEN CITY
SPARTA
WILCOX - DISPOSAL (Wilcox)
YEGUA

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
42-283-37794 ALTITO B · VERDUN OIL EF II LLC
0.5 mi
Olmos 9,152'Austin Chalk 9,512'Eagle Ford 9,687'Sparta Wilcox Edwards Yegua Escondido Queen City Buda
42-283-37795 ALTITO B · VERDUN OIL EF II LLC
0.5 mi
Olmos 9,152'Austin Chalk 9,512'Eagle Ford 9,687'Buda Yegua Escondido Queen City Sparta Wilcox Edwards
42-283-37484 ALTITO B 4A UNIT · VERDUN OIL EF II LLC
0.8 mi
Wilcox 3,854'Olmos 7,383'Austin Chalk 9,510'Eagle Ford 9,704'Queen City Sparta Escondido Buda Edwards Yegua
42-283-37482 ALTITO B 4A UNIT · VERDUN OIL EF II LLC
0.8 mi
Escondido 9,168'Austin Chalk 9,519'Eagle Ford 9,703'Eagle Ford 10,009'Escondido Queen City Sparta Yegua Wilcox Edwards Buda Olmos
42-283-37483 ALTITO B 4B UNIT · VERDUN OIL EF II LLC
0.8 mi
Wilcox 3,854'Olmos 7,383'Austin Chalk 9,510'Eagle Ford 9,704'Pearsall Sparta Edwards Queen City Buda Yegua Escondido
42-283-36810 ALTITO B · EP ENERGY E&P COMPANY, L.P.
1.0 mi
Queen City 2,084'Wilcox 3,394'Escondido 6,141'Olmos 7,466'Austin Chalk 9,693'Eagle Ford 9,869'Yegua Sparta Edwards Buda
42-283-36968 SUMBERA HC2 · CHESAPEAKE OPERATING, L.L.C.
1.1 mi
Yegua 920'Queen City 2,350'Sparta 2,350'Wilcox 3,660'Escondido 6,173'Olmos 7,527'San Miguel 8,396'Anacacho 9,180'Austin Chalk 9,727'Eagle Ford 9,886'Buda
42-283-36969 SUMBERA HC3 · CHESAPEAKE OPERATING, L.L.C.
1.1 mi
Yegua 920'Queen City 2,350'Sparta 2,350'Wilcox 3,660'Escondido 6,168'Olmos 7,561'San Miguel 8,367'Anacacho 9,200'Austin Chalk 9,750'Eagle Ford 9,907'Buda Edwards

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).

Casing (2)

SizeSet DepthCement
9.625"3,950 ft970 sx
5.5"24,170 ft4,005 sx

Permit History (2)

Applications (2)

#912342 A VERDUN OIL EF II LLC
received 2026-06-23
#912342 A VERDUN OIL EF II LLC
received 2025-12-17

Records & Logs

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

W-2/G-1 2026-07-22 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 28.391486
Lon -99.082203

Well Details

Well Number
1H
Max Depth
9,900 ft
Drill Type
Horizontal
County
LA SALLE
District
1

Operator

Location
00HOUSTON
P-5 Status
Active (filed 2026-01-26)
Cum Oil (all leases)
4,304,216 bbl
Cum Gas (all leases)
46,635,129 mcf
Activities
CSGD/P, G/PUR, OPRS/G, OPRS/O
Total Permits
48