42-013-34873

PRODUCING Horizontal

TOM-SMITH UNIT A

ATASCOSA County · District 1 · MARATHON OIL EF LLC · EAGLEVILLE (EAGLE FORD-1)

Permits

2

Max Depth

19,500 ft

First Permit

2013-11-20

Latest Activity

2013-11-20

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2014-10-01

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2014-02

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 (15) Elevation 291 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 830 ft-539 ft
CARRIZO 1,580 ft-1,289 ft
OLMOS - DISPOSAL (Olmos)1,820 ft-1,529 ft
REKLAW 1,900 ft-1,609 ft
ESCONDIDO - H2S, DISPOSAL (Escondido)2,600 ft-2,309 ft
BARTOSH 3,150 ft-2,859 ft
NAVARRO - H2S (Navarro)3,600 ft-3,309 ft
WILCOX - DISPOSAL (Wilcox)4,660 ft-4,369 ft
EDWARDS - H2S, DISPOSAL (Edwards)7,080 ft-6,789 ft
BUDA - H2S (Buda)7,380 ft-7,089 ft
ANACACHO 10,441 ft-10,150 ft
AUSTIN CHALK (UPPER) (Austin Chalk)10,633 ft-10,342 ft
AUSTIN CHALK (LOWER) (Austin Chalk)10,705 ft-10,414 ft
UPPER EAGLE FORD (Eagle Ford)10,787 ft-10,496 ft
LOWER EAGLE FORD (Eagle Ford)10,827 ft-10,536 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
11,121–18,691 ftPerforated

Casing (3)

SizeSet DepthCement
9.625"5,263 ft1,570 sx
5.5"18,825 ft2,125 sx
5.5"18,826 ft2,125 sx

Permit History (2)

Applications (2)

#773106 A MARATHON OIL EF LLC
received 2015-05-19
#773106 A MARATHON OIL EF LLC
received 2013-11-04

Records & Logs

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

W-2/G-1 2014-10-24 log on file
W-2/G-1 2014-05-08 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
5H
Max Depth
19,500 ft
Drill Type
Horizontal
County
ATASCOSA
District
1
Completed
2014-10-01

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