42-013-35894

PRODUCING Horizontal

74 RANCH-GUAJILLO UNIT C

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

Permits

2

Max Depth

22,000 ft

First Permit

2022-02-03

Latest Activity

2022-02-03

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2022-11-02

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2022-03

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 (10) Elevation 213 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 2,645 ft-2,432 ft
REKLAW 3,145 ft-2,932 ft
CARRIZO 3,705 ft-3,492 ft
WILCOX - DISPOSAL (Wilcox)3,822 ft-3,609 ft
ANACACHO - H2S (Anacacho)10,290 ft-10,077 ft
AUSTIN CHALK - H2S, DISPOSAL (Austin Chalk)10,542 ft-10,329 ft
BARTOSH
ESCONDIDO - H2S, DISPOSAL (Escondido)
NAVARRO - H2S (Navarro)
OLMOS - DISPOSAL (Olmos)

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
42-013-35879 74 RANCH UNIT S2 · MARATHON OIL EF LLC
0.0 mi
Queen City 2,645'Reklaw 3,145'Carrizo 3,705'Wilcox 3,822'Anacacho 10,322'Austin Chalk 10,559'Escondido Bartosh Olmos Navarro
42-013-35893 74 RANCH-GUAJILLO UNIT C · MARATHON OIL EF LLC
0.0 mi
Queen City 2,645'Reklaw 3,145'Carrizo 3,705'Wilcox 3,822'Anacacho 10,285'Austin Chalk 10,537'Olmos Escondido Bartosh Navarro
42-013-35878 74 RANCH UNIT S2 · MARATHON OIL EF LLC
0.0 mi
Queen City 2,645'Reklaw 3,145'Carrizo 3,705'Wilcox 3,822'Anacacho 10,321'Austin Chalk 10,558'Navarro Olmos Bartosh Escondido
42-013-35892 74 RANCH-GUAJILLO UNIT C · MARATHON OIL EF LLC
0.0 mi
Queen City 2,645'Reklaw 3,145'Carrizo 3,705'Wilcox 3,822'Anacacho 10,300'Austin Chalk 10,548'Navarro Bartosh Escondido Olmos
42-013-35877 74 RANCH UNIT S2 · MARATHON OIL EF LLC
0.0 mi
Queen City 2,645'Reklaw 3,145'Carrizo 3,705'Wilcox 3,822'Anacacho 10,312'Austin Chalk 10,555'Escondido Olmos Bartosh Navarro
42-013-35891 74 RANCH-GUAJILLO UNIT C · MARATHON OIL EF LLC
0.0 mi
Queen City 2,645'Reklaw 3,145'Carrizo 3,705'Wilcox 3,822'Anacacho 10,314'Austin Chalk 10,556'Navarro Escondido Olmos Bartosh
42-013-35890 74 RANCH-GUAJILLO UNIT C · MARATHON OIL EF LLC
0.0 mi
Reklaw 3,145'Carrizo 3,705'Wilcox 3,822'Anacacho 10,305'Austin Chalk 10,552'Bartosh Navarro Escondido Olmos Queen City
42-013-35876 74 RANCH UNIT S2 · MARATHON OIL EF LLC
0.0 mi
Queen City 2,645'Reklaw 3,145'Carrizo 3,705'Wilcox 3,822'Anacacho 10,308'Austin Chalk 10,552'Navarro Escondido Olmos Bartosh

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
11,117–17,500 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,258 ft1,576 sx
6"17,500 ft2,773 sx

Permit History (2)

Applications (2)

#876581 A MARATHON OIL EF LLC
received 2022-02-16
#876581 A MARATHON OIL EF LLC
received 2022-01-28

Records & Logs

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

W-2/G-1 2023-03-08 log on file
W-2/G-1 2022-09-20
W-2/G-1 2022-05-05 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.

Lat 28.667419
Lon -98.319808

Well Details

Well Number
5H
Max Depth
22,000 ft
Drill Type
Horizontal
County
ATASCOSA
District
1
Completed
2022-11-02

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