42-013-34991

PRODUCING Horizontal

GUAJILLO EAST

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

Permits

1

Max Depth

22,000 ft

First Permit

2014-05-12

Latest Activity

2014-05-12

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2015-11-18

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2014-03

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 275 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 830 ft-555 ft
CARRIZO 1,580 ft-1,305 ft
OLMOS - DISPOSAL (Olmos)1,820 ft-1,545 ft
REKLAW 1,900 ft-1,625 ft
ESCONDIDO - H2S, DISPOSAL (Escondido)2,600 ft-2,325 ft
BARTOSH 3,150 ft-2,875 ft
NAVARRO - H2S (Navarro)3,600 ft-3,325 ft
WILCOX - DISPOSAL (Wilcox)4,660 ft-4,385 ft
ANACACHO - H2S (Anacacho)10,633 ft-10,358 ft
AUSTIN CHALK - H2S, DISPOSAL (Austin Chalk)10,915 ft-10,640 ft
BUDA - H2S (Buda)
EDWARDS - H2S, DISPOSAL (Edwards)

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
11,252–18,500 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,240 ft1,815 sx
5.5"18,590 ft2,664 sx

Permit History (1)

Applications (1)

#783731 A MARATHON OIL EF LLC
received 2014-04-02

Records & Logs

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

W-2/G-1 2016-11-16 log on file
W-2/G-1 2014-11-14 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
73H
Max Depth
22,000 ft
Drill Type
Horizontal
County
ATASCOSA
District
1
Completed
2015-11-18

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