42-013-35595

PRODUCING Horizontal

GIESE UNIT

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

Permits

1

Max Depth

20,000 ft

First Permit

2018-12-31

Latest Activity

2018-12-31

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2020-05-05

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2012-03

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 (11) Elevation 334 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 2,762 ft-2,428 ft
REKLAW 3,076 ft-2,742 ft
BARTOSH 3,359 ft-3,025 ft
CARRIZO 3,737 ft-3,403 ft
WILCOX - DISPOSAL (Wilcox)5,112 ft-4,778 ft
NAVARRO - H2S (Navarro)8,243 ft-7,909 ft
OLMOS - DISPOSAL (Olmos)8,813 ft-8,479 ft
ANACACHO - H2S (Anacacho)10,344 ft-10,010 ft
AUSTIN CHALK - H2S, DISPOSAL (Austin Chalk)10,505 ft-10,171 ft
EDWARDS - H2S, DISPOSAL (Edwards)
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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-013-35594 GIESE UNIT · MARATHON OIL EF LLC
0.0 mi
Queen City 2,762'Reklaw 3,076'Bartosh 3,359'Carrizo 3,737'Wilcox 5,112'Navarro 8,243'Olmos 8,813'Anacacho 10,330'Austin Chalk 10,518'Escondido
42-013-35593 GIESE UNIT · MARATHON OIL EF LLC
0.0 mi
Queen City 2,762'Reklaw 3,076'Bartosh 3,359'Carrizo 3,737'Wilcox 5,112'Navarro 8,243'Olmos 8,813'Anacacho 10,325'Austin Chalk 10,513'Escondido
42-013-35592 GIESE UNIT · MARATHON OIL EF LLC
0.0 mi
Queen City 2,762'Reklaw 3,076'Bartosh 3,359'Carrizo 3,737'Wilcox 5,112'Wilcox 5,113'Navarro 8,243'Olmos 8,813'Anacacho 10,334'Austin Chalk 10,523'Escondido
42-013-35507 HENKE-WILHELM UNIT A · MARATHON OIL EF LLC
0.7 mi
Queen City 2,815'Reklaw 3,130'Bartosh 3,412'Carrizo 3,790'Wilcox 6,344'Navarro 8,296'Olmos 8,866'Anacacho 10,323'Austin Chalk 10,524'Escondido
42-013-35506 HENKE-WILHELM UNIT A · MARATHON OIL EF LLC
0.7 mi
Queen City 2,815'Reklaw 3,130'Bartosh 3,412'Carrizo 3,790'Wilcox 6,344'Navarro 8,296'Olmos 8,866'Anacacho 10,325'Austin Chalk 10,530'Escondido
42-013-35505 HENKE-WILHELM UNIT A · MARATHON OIL EF LLC
0.7 mi
Queen City 2,815'Reklaw 3,130'Bartosh 3,412'Carrizo 3,790'Wilcox 6,344'Navarro 8,296'Olmos 8,866'Anacacho 10,326'Austin Chalk 10,533'Escondido
42-013-35599 W. SMITH B-A-MCS PSA · MARATHON OIL EF LLC
0.8 mi
Queen City 2,815'Reklaw 3,130'Bartosh 3,412'Carrizo 3,790'Wilcox 6,344'Navarro 8,296'Olmos 8,866'Anacacho 10,343'Austin Chalk 10,541'Navarro Escondido
42-013-35522 HENKE UNIT B · MARATHON OIL EF LLC
0.9 mi
Queen City 3,025'Reklaw 3,339'Bartosh 3,622'Carrizo 4,000'Wilcox 5,375'Navarro 8,506'Olmos 9,076'Anacacho 10,578'Austin Chalk 10,771'Escondido

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (1)

IntervalType
10,857–15,086 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,212 ft1,512 sx
5.5"15,193 ft2,296 sx

Permit History (1)

Applications (1)

#841442 A MARATHON OIL EF LLC
received 2018-06-19

Records & Logs

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

W-2/G-1 2020-06-01 log on file
W-2/G-1 2020-05-09
W-2/G-1 2020-02-22 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.

Lat 28.741169
Lon -98.206831

Well Details

Well Number
5H
Max Depth
20,000 ft
Drill Type
Horizontal
County
ATASCOSA
District
1
Completed
2020-05-05

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