42-255-36344

PRODUCING Horizontal

MOBIL C-D-W.WESTON PSA

KARNES County · District 2 · MARATHON OIL EF LLC · SUGARKANE (EAGLE FORD)

Permits

1

Max Depth

22,000 ft

First Permit

2019-03-19

Latest Activity

2019-03-19

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2019-12-12

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2019-04

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 382 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YEGUA - DISPOSAL (Yegua)2,115 ft-1,733 ft
QUEEN CITY 4,415 ft-4,033 ft
REKLAW 4,873 ft-4,491 ft
CARRIZO 5,529 ft-5,147 ft
WILCOX - DISPOSAL (Wilcox)6,762 ft-6,380 ft
AUSTIN CHALK - H2S (Austin Chalk)12,292 ft-11,910 ft
EAGLE FORD - H2S (Eagle Ford)12,358 ft-11,976 ft
EDWARDS - H2S (Edwards)
FRIO - DISPOSAL (Frio)
SLIGO - H2S (Sligo)

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
42-255-36343 WIEDING-WESTON UNIT · MARATHON OIL EF LLC
0.0 mi
Yegua 1,296'Queen City 4,415'Reklaw 4,873'Carrizo 5,529'Wilcox 6,762'Austin Chalk 12,284'Eagle Ford 12,358'Yegua Sligo Frio Edwards
42-255-36342 WIEDING-WESTON UNIT · MARATHON OIL EF LLC
0.0 mi
Yegua 1,296'Queen City 4,415'Reklaw 4,873'Carrizo 5,529'Wilcox 6,762'Austin Chalk 12,314'Eagle Ford 12,368'Yegua Frio Edwards Sligo
42-255-36341 WIEDING-WESTON UNIT · MARATHON OIL EF LLC
0.0 mi
Yegua 1,296'Queen City 3,429'Reklaw 4,085'Carrizo 4,318'Wilcox 5,737'Austin Chalk 12,250'Eagle Ford 12,374'Sligo Frio Edwards
42-255-36340 WIEDING-WESTON UNIT · MARATHON OIL EF LLC
0.0 mi
Yegua 2,115'Queen City 4,415'Reklaw 4,873'Carrizo 5,529'Wilcox 6,762'Austin Chalk 12,243'Austin Chalk 12,304'Eagle Ford 12,373'Edwards Sligo Frio
42-255-37927 OLSON ESSE-KENNEDY SA1 · MARATHON OIL EF LLC
0.7 mi
Cook Mountain 1,278'Queen City 2,202'Reklaw 2,847'Carrizo 3,616'Wilcox 3,718'Anacacho 12,360'Austin Chalk 12,531'Eagle Ford 12,570'Frio Sligo Yegua Edwards
42-255-37926 OLSON ESSE-KENNEDY SA2 · MARATHON OIL EF LLC
0.7 mi
Queen City 2,202'Reklaw 2,847'Carrizo 3,616'Wilcox 3,718'Austin Chalk 12,543'Eagle Ford 12,579'Yegua Frio Edwards Sligo
42-255-36603 SCR G-MOBIL C SA · MARATHON OIL EF LLC
0.9 mi
Yegua 1,684'Queen City 4,007'Wilcox 6,249'Austin Chalk 12,174'Eagle Ford 12,232'Frio Sligo Carrizo Edwards Reklaw
42-255-36602 SAN CHRISTOVAL RANCH UNIT G AC · MARATHON OIL EF LLC
0.9 mi
Yegua 1,305'Queen City 3,165'Reklaw 3,475'Carrizo 4,190'Wilcox 5,377'Austin Chalk 12,115'Sligo Frio Edwards Eagle Ford

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
12,496–19,544 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"6,243 ft1,810 sx
5.5"19,660 ft3,580 sx

Permit History (1)

Applications (1)

#850186 A MARATHON OIL EF LLC
received 2019-02-19

Records & Logs

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

W-2/G-1 2020-01-23 log on file
W-2/G-1 2019-08-31
W-2/G-1 2019-07-14 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.

Lat 28.716106
Lon -98.017533

Well Details

Well Number
11H
Max Depth
22,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2019-12-12

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