42-013-35135

SHUT IN Horizontal

CHAPMAN PFEIL UNIT

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

Permits

1

Max Depth

17,400 ft

First Permit

2014-08-21

Latest Activity

2014-08-21

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2015-11-25

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2011-05

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 (10) Elevation 420 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 830 ft-410 ft
CARRIZO 1,580 ft-1,160 ft
OLMOS - DISPOSAL (Olmos)1,820 ft-1,400 ft
REKLAW 1,900 ft-1,480 ft
ESCONDIDO - H2S, DISPOSAL (Escondido)2,600 ft-2,180 ft
BARTOSH 3,150 ft-2,730 ft
NAVARRO - H2S (Navarro)3,600 ft-3,180 ft
WILCOX - DISPOSAL (Wilcox)4,660 ft-4,240 ft
ANACACHO - H2S (Anacacho)10,367 ft-9,947 ft
AUSTIN CHALK - H2S, DISPOSAL (Austin Chalk)10,505 ft-10,085 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
10,995–15,132 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,192 ft1,861 sx
5.5"15,147 ft2,644 sx

Permit History (1)

Applications (1)

#792481 A MARATHON OIL EF LLC
received 2014-07-24

Records & Logs

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

W-2/G-1 2016-08-24 log on file
W-2/G-1 2015-03-05 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
3H
Max Depth
17,400 ft
Drill Type
Horizontal
County
ATASCOSA
District
1
Completed
2015-11-25

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