42-297-36242

SHUT IN Horizontal

HERREJON 01

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

Permits

1

Max Depth

22,000 ft

First Permit

2022-05-19

Latest Activity

2022-05-19

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2022-08-18

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

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

Resolved via: schedulingMARATHON OIL EF LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2022-08

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 203 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 4,395 ft-4,192 ft
REKLAW 4,817 ft-4,614 ft
WILCOX 5,349 ft-5,146 ft
MIDWAY 8,224 ft-8,021 ft
NAVARRO 9,122 ft-8,919 ft
OLMOS 10,954 ft-10,751 ft
COOK MOUNTAIN
FRIO - DISPOSAL (Frio)
HOCKLEY - DISPOSAL
JACKSON-YEGUA - DISPOSAL (Jackson)

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
42-297-36241 HERREJON 01 · ENSIGN OPERATING LLC
0.0 mi
Queen City 4,402'Reklaw 5,390'Wilcox 5,390'Frio Cook Mountain Austin Chalk Edwards Eagle Ford HOCKLEY - DISPOSAL Jackson
42-297-36243 HERREJON 01 · ENSIGN OPERATING LLC
0.0 mi
Queen City 5,386'Wilcox 5,386'Austin Chalk 12,891'Eagle Ford 12,894'Sligo Jackson Cook Mountain Edwards Frio HOCKLEY - DISPOSAL
42-297-36244 HERREJON 01 · ENSIGN OPERATING LLC
0.0 mi
Queen City 4,403'Wilcox 5,381'Midway 8,245'Escondido 9,130'Navarro 9,146'Olmos 10,941'Frio HOCKLEY - DISPOSAL Jackson Cook Mountain
42-297-36378 THREE SISTERS 01-LOP 02 SA1 · MARATHON OIL EF LLC
2.6 mi
Cook Mountain 1,598'Queen City 3,738'Reklaw 4,385'Carrizo 5,036'Wilcox 5,131'Anacacho 12,545'Austin Chalk 12,709'Eagle Ford 12,740'Jackson HOCKLEY - DISPOSAL Frio
42-297-36379 THREE SISTERS 01-LOP 01 SA2 · MARATHON OIL EF LLC
2.6 mi
Cook Mountain 1,598'Queen City 3,738'Reklaw 4,385'Carrizo 5,036'Wilcox 5,131'Anacacho 12,520'Austin Chalk 12,683'Eagle Ford 12,718'Jackson Frio HOCKLEY - DISPOSAL
42-297-36380 THREE SISTERS 01-LOP 01 SA3 · MARATHON OIL EF LLC
2.6 mi
Cook Mountain 1,598'Queen City 3,738'Reklaw 4,385'Carrizo 5,036'Wilcox 5,131'Anacacho 12,494'Austin Chalk 12,667'Eagle Ford 12,704'Frio Jackson HOCKLEY - DISPOSAL
42-297-36381 LIVE OAK PARTNERS 01 · MARATHON OIL EF LLC
2.6 mi
Cook Mountain 1,598'Queen City 3,738'Wilcox 5,131'Austin Chalk 12,666'Eagle Ford 12,701'Sligo Jackson Frio Edwards HOCKLEY - DISPOSAL
42-297-36407 DOBIE RANCH · BURLINGTON RESOURCES O & G CO LP
2.8 mi
Jackson 1,585'Cook Mountain 2,559'Queen City 3,837'Wilcox 5,330'Austin Chalk 12,665'Eagle Ford 12,744'Frio Sligo Edwards HOCKLEY - DISPOSAL

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 (1)

SizeSet DepthCement
9.625"6,450 ft2,128 sx

Permit History (1)

Applications (1)

#880122 A ENSIGN OPERATING LLC
received 2022-05-12

Records & Logs

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

W-2/G-1 2023-09-13 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 28.543679
Lon -98.186136

Well Details

Well Number
06H
Max Depth
22,000 ft
Drill Type
Horizontal
County
LIVE OAK
District
2
Completed
2022-08-18

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