42-473-31290

PRODUCING

MARINER

WALLER County · District 3 · MAG EXPLORATION LLC · BROOKSHIRE

Permits

2

Max Depth

6,000 ft

First Permit

2021-06-07

Latest Activity

2021-06-07

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2021-07-10

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Production operator mismatch

Scheduling: MAG EXPLORATION LLC ≠ Production: OPTIMUM EXPLORATION LLC (reported 2025-10)

!

EWA / Permit operator mismatch

Scheduling: MAG EXPLORATION LLC ≠ Permit: OPTIMUM EXPLORATION LLC

Resolved via: schedulingMAG EXPLORATION LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2021-07

Last Production

2026-07

Operator History

originally filed by OPTIMUM EXPLORATION 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 (6) Elevation 116 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
MIOCENE - DISPOSAL (Miocene (undifferentiated))1,146 ft-1,030 ft
CATAHOULA SAND - DISPOSAL (Catahoula)2,567 ft-2,451 ft
FRIO - DISPOSAL (Frio)2,829 ft-2,713 ft
CAPROCK - DISPOSAL (Caprock)
WILCOX - DISPOSAL (Wilcox)
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
42-473-31292 SANFORD-MARINER · OPTIMUM EXPLORATION LLC
0.5 mi
Miocene (undifferentiated) 604'Catahoula 2,212'Frio 2,605'Caprock 4,701'Wilcox Yegua
42-473-31294 BAINS-MONTGOMERY UNIT #12 · TRIANGLE THREE RESOURCES L.L.C.
0.5 mi
Miocene (undifferentiated) 1,100'Catahoula 2,501'Frio 4,135'Yegua Wilcox Caprock
42-473-30586 WHITT BAINS · J.C.W. ENERGY LTD.
0.6 mi
Catahoula 2,400'Frio 2,600'Frio 2,700'
42-473-31295 LGB · TRIANGLE THREE RESOURCES L.L.C.
0.7 mi
Miocene (undifferentiated) 1,200'Catahoula 2,320'Frio 3,700'SALT 4,552'Caprock Wilcox Yegua
42-473-31293 MORGAN · MVU BRAZOS CORP.
2.1 mi
Miocene (undifferentiated) 400'Catahoula 700'Frio 1,630'Yegua 6,062'Sparta 7,059'Wilcox 9,200'Caprock
42-473-30026 KGFCU (IV) · HILCORP ENERGY COMPANY
7.3 mi
MCELROY 5,284'Yegua 6,144'Cook Mountain 7,676'Wilcox 9,950'
42-473-30424 KGFCU (IV) · HILCORP ENERGY COMPANY
8.0 mi
COCKFIELD 1B 6,435'TOP OF COCKFIELD 1-B 6,435'COCKFIELD 2B 6,632'TOP OF COCKFIELD 2-B 6,632'TOP OF COCKFIELD4-A 7,170'TOP OF COCKFIELD 4-A 7,170'COCKFIELD 4A 7,170'
42-473-30388 KGFCU (V) · HILCORP ENERGY COMPANY
8.7 mi
COCKFIELD 6,238'Cook Mountain 7,538'Wilcox 10,048'

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
4,410–4,420 ftPerforated

Casing (3)

SizeSet DepthCement
8.625"610 ft305 sx
5.5"2,525 ft245 sx
5.5"5,460 ft640 sx

Permit History (2)

Applications (2)

#870190 A OPTIMUM EXPLORATION LLC
received 2021-06-09
#870190 A OPTIMUM EXPLORATION LLC
received 2021-06-01

Records & Logs

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

W-2/G-1 2021-07-12 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 29.765573
Lon -95.997884

Well Details

Well Number
1
Max Depth
6,000 ft
Drill Type
Vertical
County
WALLER
District
3
Completed
2021-07-10

Operator

Location
DOVER
P-5 Status
X (filed 2026-03-13)
Cum Oil (all leases)
— bbl
Cum Gas (all leases)
— mcf
Activities
OPRS/G, OPRS/O