42-311-37060

PRODUCING Horizontal

MARTIN MASON HC8

MCMULLEN County · District 1 · INEOS USA OIL & GAS LLC · EAGLEVILLE (EAGLE FORD-1)

Permits

2

Max Depth

10,000 ft

First Permit

2019-12-31

Latest Activity

2019-12-31

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2020-08-13

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: INEOS USA OIL & GAS LLC ≠ Permit: CHESAPEAKE OPERATING, L.L.C.

Resolved via: productionINEOS USA OIL & GAS LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2020-02

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 463 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
FRIO - DISPOSAL (Frio)1,460 ft-997 ft
CATAHOULA - DISPOSAL (Catahoula)1,590 ft-1,127 ft
YEGUA - DISPOSAL (Yegua)2,890 ft-2,427 ft
WILCOX - DISPOSAL (Wilcox)4,750 ft-4,287 ft
ESCONDIDO 6,337 ft-5,874 ft
OLMOS 7,198 ft-6,735 ft
NAVARRO 8,130 ft-7,667 ft
SAN MIGUEL 8,174 ft-7,711 ft
ANACACHO 8,692 ft-8,229 ft
AUSTIN CHALK 9,088 ft-8,625 ft

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
42-311-37058 MARTIN MASON HC6 · CHESAPEAKE OPERATING, L.L.C.
0.0 mi
Frio 1,460'Catahoula 1,590'Yegua 2,890'Wilcox 4,750'Escondido 6,370'Olmos 7,925'Navarro 8,130'San Miguel 8,224'Anacacho 8,744'Austin Chalk 9,136'
42-311-34662 MARTIN MASON HC9 · CHESAPEAKE OPERATING, L.L.C.
0.0 mi
Frio 1,460'Catahoula 1,590'Yegua 2,890'Wilcox 4,750'Escondido 6,342'Olmos 7,196'Navarro 8,130'San Miguel 8,210'Anacacho 8,710'Austin Chalk 9,101'Eagle Ford 9,310'
42-311-37059 MARTIN MASON HC7 · CHESAPEAKE OPERATING, L.L.C.
0.0 mi
Frio 1,460'Catahoula 1,590'Yegua 2,890'Wilcox 4,750'Escondido 6,417'Olmos 7,266'Navarro 8,130'San Miguel 8,228'Anacacho 8,767'Austin Chalk 9,155'Eagle Ford 9,348'
42-311-37063 MARTIN MASON HC3 · CHESAPEAKE OPERATING, L.L.C.
0.5 mi
Frio 1,460'Catahoula 1,590'Yegua 2,890'Wilcox 4,750'Escondido 6,347'Olmos 7,236'Navarro 8,130'San Miguel 8,205'Anacacho 8,737'Austin Chalk 9,123'Eagle Ford 9,323'
42-311-37062 MARTIN MASON HC2 · CHESAPEAKE OPERATING, L.L.C.
0.5 mi
Frio 1,460'Catahoula 1,590'Yegua 2,890'Wilcox 4,750'Escondido 6,351'Olmos 7,209'Navarro 8,130'San Miguel 8,162'Anacacho 8,716'Austin Chalk 9,114'Eagle Ford 9,316'
42-311-37061 MARTIN MASON HC1 · CHESAPEAKE OPERATING, L.L.C.
0.5 mi
Frio 1,460'Catahoula 1,590'Yegua 2,890'Wilcox 4,750'Escondido 6,347'Escondido 6,374'Olmos 7,214'Navarro 8,130'San Miguel 8,243'Anacacho 8,721'Austin Chalk 9,108'Eagle Ford 9,313'
42-311-37064 MARTIN MASON HC4 · CHESAPEAKE OPERATING, L.L.C.
0.6 mi
Frio 1,460'Catahoula 1,590'Yegua 2,890'Wilcox 4,750'Escondido 6,334'Olmos 7,198'Navarro 8,130'San Miguel 8,187'Anacacho 8,700'Austin Chalk 9,074'Eagle Ford 9,288'
42-311-37065 MARTIN MASON HC5 · CHESAPEAKE OPERATING, L.L.C.
0.6 mi
Frio 1,460'Catahoula 1,590'Yegua 2,890'Wilcox 4,750'Escondido 6,330'Olmos 7,221'Navarro 8,130'San Miguel 8,177'Anacacho 8,689'Austin Chalk 9,079'Eagle Ford 9,293'

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
10,330–22,250 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"4,066 ft1,280 sx
5.5"22,318 ft3,850 sx

Permit History (2)

Applications (2)

#860311 A CHESAPEAKE OPERATING, L.L.C.
received 2020-11-19
#860311 A CHESAPEAKE OPERATING, L.L.C.
received 2019-12-20

Records & Logs

2 completion filings on record · 2 with log images at RRC.

W-2/G-1 2020-11-03 log on file
W-2/G-1 2020-06-16 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 28.600443
Lon -98.688030

Well Details

Well Number
O 3H
Max Depth
10,000 ft
Drill Type
Horizontal
County
MCMULLEN
District
1
Completed
2020-08-13

Operator

Location
DENVER
P-5 Status
X (filed 2026-05-26)
Cum Oil (all leases)
38,411,227 bbl
Cum Gas (all leases)
123,424,939 mcf
Activities
OPRS/G, OPRS/O
Total Permits
87