42-255-38153

PRODUCING Horizontal

DAVIS-MENSIK SA1

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

Permits

1

Max Depth

22,000 ft

First Permit

2024-11-20

Latest Activity

2024-11-20

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2025-04-14

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2025-04

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 327 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 5,181 ft-4,854 ft
REKLAW 5,635 ft-5,308 ft
CARRIZO 5,877 ft-5,550 ft
WILCOX - DISPOSAL (Wilcox)5,977 ft-5,650 ft
AUSTIN CHALK - H2S (Austin Chalk)12,775 ft-12,448 ft
EAGLE FORD - H2S (Eagle Ford)12,922 ft-12,595 ft
EDWARDS - H2S (Edwards)
FRIO - DISPOSAL (Frio)
SLIGO - H2S (Sligo)
YEGUA - DISPOSAL (Yegua)

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
42-255-38154 DAVIS-ALEXANDER SA1 · MARATHON OIL EF LLC
0.0 mi
Queen City 5,181'Reklaw 5,635'Carrizo 5,877'Wilcox 5,977'Austin Chalk 12,575'Eagle Ford 12,922'Yegua Frio Edwards Sligo
42-255-31724 DAVIS UNIT · BURLINGTON RESOURCES O & G CO LP
0.3 mi
Pecan Gap 12,412'Austin Chalk 12,596'Eagle Ford 12,735'
42-255-37268 ALEXANDER 01 AC · ENSIGN OPERATING LLC
0.7 mi
Yegua 2,796'Queen City 5,228'Reklaw 5,550'Carrizo 6,080'Wilcox 7,554'Austin Chalk 12,625'Sligo Frio Edwards Eagle Ford
42-255-37269 ALEXANDER 01 AC · ENSIGN OPERATING LLC
0.7 mi
Yegua 2,802'Queen City 5,228'Reklaw 5,560'Carrizo 6,084'Wilcox 7,572'Austin Chalk 12,608'Eagle Ford Sligo Frio Edwards
42-255-35340 WESSENDORFF A UNIT · ENCANA OIL & GAS(USA) INC.
0.9 mi
Yegua 2,559'Queen City 4,844'Reklaw 5,160'Carrizo 6,168'Wilcox 6,168'Austin Chalk 12,632'Eagle Ford 12,841'Sligo Frio Edwards
42-255-35342 WESSENDORFF A UNIT · ENCANA OIL & GAS(USA) INC.
0.9 mi
Yegua 2,570'Queen City 4,866'Reklaw 5,184'Carrizo 6,161'Wilcox 6,197'Austin Chalk 12,699'Eagle Ford 12,854'Sligo Frio Edwards
42-255-36082 WESSENDORFF A UNIT · ENCANA OIL & GAS(USA) INC.
1.0 mi
Yegua 2,616'Queen City 4,912'Reklaw 5,237'Carrizo 5,615'Wilcox 7,442'Austin Chalk 12,710'Eagle Ford 12,889'Sligo Frio Edwards
42-255-36081 WESSENDORFF A UNIT · ENCANA OIL & GAS(USA) INC.
1.0 mi
Yegua 2,615'Queen City 4,910'Reklaw 5,236'Carrizo 5,753'Wilcox 7,716'Austin Chalk 12,727'Eagle Ford 12,885'Frio Sligo Edwards

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
13,074–23,936 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,907 ft1,630 sx
5.5"23,936 ft4,644 sx

Permit History (1)

Applications (1)

#902919 A MARATHON OIL EF LLC
received 2024-09-26

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2025-12-18 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 28.863888
Lon -97.835171

Well Details

Well Number
1H
Max Depth
22,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2025-04-14

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