42-013-34674

PRODUCING Horizontal

WILHELM SMITH UNIT B

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

Permits

1

Max Depth

17,000 ft

First Permit

2013-02-27

Latest Activity

2013-02-27

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2022-07-12

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2013-05

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 (6) Elevation 302 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
WILCOX 5,152 ft-4,850 ft
MIDWAY 7,770 ft-7,468 ft
OLMOS 8,918 ft-8,616 ft
ANACACHO 10,444 ft-10,142 ft
AUSTIN CHALK 10,629 ft-10,327 ft
EAGLE FORD 10,784 ft-10,482 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 ↗

Perforations (1)

IntervalType
11,726–19,215 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,205 ft1,810 sx
5.5"19,400 ft2,875 sx

Permit History (1)

Applications (1)

#757190 A MARATHON OIL EF LLC
received 2013-02-20

Records & Logs

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

W-2/G-1 2022-08-24
W-2/G-1 2016-11-18
W-2/G-1 2016-11-18
W-2/G-1 2013-06-07 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 ATASCOSA County.

Well Details

Well Number
1H
Max Depth
17,000 ft
Drill Type
Horizontal
County
ATASCOSA
District
2
Completed
2022-07-12

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
3,175