42-013-35260

PRODUCING Horizontal

GUAJILLO EAST

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

Permits

1

Max Depth

18,000 ft

First Permit

2014-12-12

Latest Activity

2014-12-12

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2021-11-07

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2014-03

Last Production

2026-07

Injection / Disposal

H-1 Injection Cancelled 2024-07-26 UIC #000124733 permitted 2023-12-12

Permitted Volume

5,000 mcf/d

Max Pressure

Injection Interval

10,622–11,287 ft

Injected (12mo)

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (11) Elevation 303 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 2,988 ft-2,685 ft
REKLAW 3,350 ft-3,047 ft
BARTOSH 3,749 ft-3,446 ft
CARRIZO 3,990 ft-3,687 ft
WILCOX - DISPOSAL (Wilcox)5,278 ft-4,975 ft
NAVARRO - H2S (Navarro)8,940 ft-8,637 ft
OLMOS - DISPOSAL (Olmos)9,277 ft-8,974 ft
ANACACHO - H2S (Anacacho)10,652 ft-10,349 ft
ANACACHO - H2S (Anacacho)10,653 ft-10,350 ft
AUSTIN CHALK - H2S, DISPOSAL (Austin Chalk)10,875 ft-10,572 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
11,952–16,857 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,228 ft1,860 sx
5.5"16,958 ft1,940 sx

Permit History (1)

Applications (1)

#801679 A MARATHON OIL EF LLC
received 2014-12-12

Records & Logs

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

W-2/G-1 2024-10-09
W-2/G-1 2021-12-29
W-2/G-1 2016-11-14 log on file
W-2/G-1 2015-12-04 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
10H
Max Depth
18,000 ft
Drill Type
Horizontal
County
ATASCOSA
District
1
Completed
2021-11-07

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