42-013-35273

PRODUCING Horizontal

TOM-SMITH UNIT B

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

Permits

1

Max Depth

18,700 ft

First Permit

2015-01-20

Latest Activity

2015-01-20

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2021-06-17

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2015-02

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 (18) Elevation 283 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 1,500 ft-1,217 ft
REKLAW 1,948 ft-1,665 ft
BARTOSH 2,170 ft-1,887 ft
QUEEN CITY 2,386 ft-2,103 ft
REKLAW 2,701 ft-2,418 ft
BARTOSH 2,983 ft-2,700 ft
CARRIZO 3,212 ft-2,929 ft
CARRIZO 3,361 ft-3,078 ft
WILCOX - DISPOSAL (Wilcox)3,648 ft-3,365 ft
WILCOX - DISPOSAL (Wilcox)4,737 ft-4,454 ft
NAVARRO - H2S (Navarro)6,672 ft-6,389 ft
NAVARRO - H2S (Navarro)7,867 ft-7,584 ft
ESCONDIDO - H2S, DISPOSAL (Escondido)7,892 ft-7,609 ft
OLMOS - DISPOSAL (Olmos)8,437 ft-8,154 ft
OLMOS - DISPOSAL (Olmos)8,537 ft-8,254 ft
ANACACHO - H2S (Anacacho)9,827 ft-9,544 ft
AUSTIN CHALK - H2S, DISPOSAL (Austin Chalk)10,040 ft-9,757 ft
ESCONDIDO - H2S, DISPOSAL (Escondido)

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
10,533–17,237 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"4,775 ft1,650 sx
5.5"17,295 ft2,125 sx

Permit History (1)

Applications (1)

#801925 A MARATHON OIL EF LLC
received 2014-12-17

Records & Logs

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

W-2/G-1 2021-07-09
W-2/G-1 2021-06-01
W-2/G-1 2016-07-22 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
6H
Max Depth
18,700 ft
Drill Type
Horizontal
County
ATASCOSA
District
1
Completed
2021-06-17

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