42-297-36220

PRODUCING Horizontal

FRANK MALEK 01

LIVE OAK County · District 2 · MARATHON OIL EF LLC · SUGARKANE (EAGLE FORD)

Permits

1

Max Depth

22,000 ft

First Permit

2022-02-23

Latest Activity

2022-02-23

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2022-07-14

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: MARATHON OIL EF LLC ≠ Permit: ENSIGN OPERATING LLC

Resolved via: productionMARATHON OIL EF LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2022-07

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 (10) Elevation 265 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 4,438 ft-4,173 ft
WILCOX 5,170 ft-4,905 ft
AUSTIN CHALK 12,637 ft-12,372 ft
EAGLE FORD - H2S (Eagle Ford)12,671 ft-12,406 ft
COOK MOUNTAIN
EDWARDS - H2S (Edwards)
FRIO - DISPOSAL (Frio)
HOCKLEY - DISPOSAL
JACKSON-YEGUA - DISPOSAL (Jackson)
SLIGO - H2S (Sligo)

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
42-297-36221 FRANK MALEK 01 · ENSIGN OPERATING LLC
0.0 mi
Queen City 4,409'Wilcox 5,188'Austin Chalk 12,638'Eagle Ford 12,670'Cook Mountain Edwards HOCKLEY - DISPOSAL Jackson Sligo Frio
42-297-36225 FRANK MALEK 02 · ENSIGN OPERATING LLC
0.2 mi
Queen City 3,692'Carrizo 5,098'Wilcox 5,098'Wilcox 5,201'Midway 8,029'Austin Chalk 12,664'Eagle Ford 12,697'Cook Mountain Sligo Edwards Jackson HOCKLEY - DISPOSAL +1 more
42-297-36224 FRANK MALEK 02 · ENSIGN OPERATING LLC
0.2 mi
Queen City 3,692'Reklaw 4,174'Carrizo 5,098'Wilcox 5,201'Midway 8,029'Olmos 10,889'Austin Chalk 12,664'Eagle Ford 12,697'Eagle Ford 12,697'Cook Mountain Jackson Frio +1 more
42-297-36223 FRANK MALEK 02 · ENSIGN OPERATING LLC
0.2 mi
Queen City 3,692'Wilcox 5,201'Austin Chalk 12,660'Eagle Ford 12,709'Sligo Cook Mountain Edwards Jackson HOCKLEY - DISPOSAL Frio
42-297-36222 FRANK MALEK 02 · ENSIGN OPERATING LLC
0.2 mi
Queen City 3,692'Wilcox 5,201'Austin Chalk 12,707'Eagle Ford 12,754'Frio HOCKLEY - DISPOSAL Jackson Sligo Cook Mountain Edwards
42-297-35913 FREE UNIT · MARATHON OIL EF LLC
0.4 mi
HOCKLEY - DISPOSAL 1,034'Jackson 1,663'Cook Mountain 2,872'Queen City 4,017'Wilcox 6,249'Austin Chalk 12,618'Eagle Ford 12,633'Sligo Frio Edwards
42-297-35912 FREE UNIT · MARATHON OIL EF LLC
0.4 mi
HOCKLEY - DISPOSAL 1,034'Jackson 1,663'Cook Mountain 2,872'Queen City 4,017'Wilcox 6,249'Austin Chalk 12,594'Eagle Ford 12,624'Frio Edwards Sligo
42-297-35911 FREE UNIT · MARATHON OIL EF LLC
0.4 mi
HOCKLEY - DISPOSAL 1,034'Jackson 1,663'Cook Mountain 2,872'Queen City 4,017'Wilcox 6,249'Austin Chalk 12,602'Eagle Ford 12,636'Frio Edwards Sligo

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
12,974–19,209 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"6,417 ft2,363 sx
5.5"19,277 ft4,401 sx

Permit History (1)

Applications (1)

#877231 A ENSIGN OPERATING LLC
received 2022-02-17

Records & Logs

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

W-2/G-1 2022-08-22 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 28.612998
Lon -98.133951

Well Details

Well Number
02H
Max Depth
22,000 ft
Drill Type
Horizontal
County
LIVE OAK
District
2
Completed
2022-07-14

Operator

Location
HOUSTON
P-5 Status
Active (filed 2025-09-26)
Cum Oil (all leases)
409,189,156 bbl
Cum Gas (all leases)
1,029,735,602 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
3,173