42-255-37413

PRODUCING Horizontal

MANGIONE 01

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

Permits

1

Max Depth

20,000 ft

First Permit

2022-03-29

Latest Activity

2022-03-29

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-03-21

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

2023-05

Last Production

2026-07

Operator History

originally filed by ENSIGN 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 (10) Elevation 238 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 5,009 ft-4,771 ft
REKLAW 5,392 ft-5,154 ft
CARRIZO 5,610 ft-5,372 ft
WILCOX - DISPOSAL (Wilcox)7,478 ft-7,240 ft
AUSTIN CHALK - H2S (Austin Chalk)12,592 ft-12,354 ft
EAGLE FORD - H2S (Eagle Ford)12,790 ft-12,552 ft
EDWARDS - H2S (Edwards)
FRIO - DISPOSAL (Frio)
SLIGO - H2S (Sligo)
YEGUA - DISPOSAL (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
42-255-37557 MANGIONE 01 · ENSIGN OPERATING LLC
0.0 mi
Queen City 5,009'Reklaw 5,127'Carrizo 5,610'Wilcox 5,610'Austin Chalk 12,592'Eagle Ford 12,783'Yegua Sligo Frio Edwards
42-255-37410 MANGIONE 01 · ENSIGN OPERATING LLC
0.0 mi
Queen City 5,011'Reklaw 5,415'Carrizo 5,626'Wilcox 12,469'Austin Chalk 12,598'Eagle Ford 12,781'Yegua Sligo Frio Edwards
42-255-37409 MANGIONE 01 · ENSIGN OPERATING LLC
0.0 mi
Queen City 5,024'Reklaw 5,415'Carrizo 5,623'Wilcox 5,623'Austin Chalk 12,555'Eagle Ford 12,789'Yegua Frio Edwards Sligo
42-255-37408 MANGIONE 01 · ENSIGN OPERATING LLC
0.0 mi
Queen City 5,021'Reklaw 5,399'Wilcox 5,609'Austin Chalk 12,549'Eagle Ford 12,776'Frio Sligo Yegua Carrizo Edwards
42-255-37407 MANGIONE 01 · ENSIGN OPERATING LLC
0.0 mi
Queen City 5,024'Reklaw 5,444'Carrizo 5,628'Wilcox 5,628'Austin Chalk 12,530'Eagle Ford 12,820'Yegua Sligo Frio Edwards
42-255-33201 MANGIONE 01 · PIONEER NATURAL RES. USA, INC.
0.8 mi
Midway 8,850'Austin Chalk 12,509'Austin Chalk 12,509'Eagle Ford 12,859'Eagle Ford 12,859'
42-255-33341 MANGIONE 01 · PIONEER NATURAL RES. USA, INC.
0.8 mi
Carrizo 5,856'Midway 8,888'Austin Chalk 12,512'Austin Chalk 12,512'Eagle Ford 12,871'Eagle Ford 12,871'
42-255-32976 RIDLEY 01 · PIONEER NATURAL RES. USA, INC.
0.9 mi
Carrizo 5,848'Midway 8,962'Eagle Ford 12,768'

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
12,918–16,961 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"4,524 ft1,464 sx
5"16,961 ft2,853 sx

Permit History (1)

Applications (1)

#877291 A ENSIGN OPERATING LLC
received 2022-02-21

Records & Logs

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

W-2/G-1 2024-05-08
W-2/G-1 2023-09-28
W-2/G-1 2023-09-06 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 28.883896
Lon -97.791565

Well Details

Well Number
17H
Max Depth
20,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2024-03-21

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