42-297-35803

PRODUCING Horizontal

GUAJILLO UNIT 12 SOUTH

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

Permits

2

Max Depth

17,100 ft

First Permit

2015-10-22

Latest Activity

2015-10-22

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2016-06-07

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2016-06

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 254 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
FRIO - DISPOSAL (Frio)327 ft-73 ft
HOCKLEY - DISPOSAL426 ft-172 ft
JACKSON-YEGUA - DISPOSAL (Jackson)1,270 ft-1,016 ft
COOK MOUNTAIN 1,993 ft-1,739 ft
QUEEN CITY 3,042 ft-2,788 ft
WILCOX 5,332 ft-5,078 ft
AUSTIN CHALK 11,050 ft-10,796 ft
EAGLE FORD - H2S (Eagle Ford)11,155 ft-10,901 ft
EDWARDS - H2S (Edwards)
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 ↗

Perforations (1)

IntervalType
11,560–16,127 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,415 ft1,783 sx
5.5"16,226 ft2,740 sx

Permit History (2)

Applications (2)

#811191 A MARATHON OIL EF LLC
received 2016-01-12
#811191 A MARATHON OIL EF LLC
received 2015-10-13

Records & Logs

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

W-2/G-1 2016-07-26 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.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in LIVE OAK County.

Well Details

Well Number
2H
Max Depth
17,100 ft
Drill Type
Horizontal
County
LIVE OAK
District
2
Completed
2016-06-07

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