42-013-35343

PRODUCING Horizontal

TOM-SMITH UNIT A

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

Permits

1

Max Depth

19,600 ft

First Permit

2015-09-17

Latest Activity

2015-09-17

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2019-11-12

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 (12) Elevation 299 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 2,896 ft-2,597 ft
REKLAW 3,211 ft-2,912 ft
BARTOSH 3,493 ft-3,194 ft
CARRIZO 3,872 ft-3,573 ft
WILCOX - DISPOSAL (Wilcox)5,247 ft-4,948 ft
NAVARRO - H2S (Navarro)8,377 ft-8,078 ft
ESCONDIDO - H2S, DISPOSAL (Escondido)8,948 ft-8,649 ft
OLMOS - DISPOSAL (Olmos)8,948 ft-8,649 ft
ANACACHO - H2S (Anacacho)10,433 ft-10,134 ft
AUSTIN CHALK - H2S, DISPOSAL (Austin Chalk)10,634 ft-10,335 ft
ESCONDIDO - H2S, DISPOSAL (Escondido)
OLMOS - DISPOSAL (Olmos)

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
10,915–18,462 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,293 ft1,660 sx
5.5"18,576 ft2,285 sx

Permit History (1)

Applications (1)

#810225 A MARATHON OIL EF LLC
received 2015-09-10

Records & Logs

3 completion filings on record · 3 with log images at RRC.

W-2/G-1 2020-02-18 log on file
W-2/G-1 2019-10-22 log on file
W-2/G-1 2017-08-24 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
2H
Max Depth
19,600 ft
Drill Type
Horizontal
County
ATASCOSA
District
1
Completed
2019-11-12

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
3,173