42-255-38154

PRODUCING Horizontal

DAVIS-ALEXANDER 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

2025-04-16

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 328 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 5,181 ft-4,853 ft
REKLAW 5,635 ft-5,307 ft
CARRIZO 5,877 ft-5,549 ft
WILCOX - DISPOSAL (Wilcox)5,977 ft-5,649 ft
AUSTIN CHALK - H2S (Austin Chalk)12,575 ft-12,247 ft
EAGLE FORD - H2S (Eagle Ford)12,922 ft-12,594 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
42-255-38153 DAVIS-MENSIK SA1 · MARATHON OIL EF LLC
0.0 mi
Queen City 5,181'Reklaw 5,635'Carrizo 5,877'Wilcox 5,977'Austin Chalk 12,775'Eagle Ford 12,922'Yegua Frio Edwards Sligo
42-255-31724 DAVIS UNIT · BURLINGTON RESOURCES O & G CO LP
0.4 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
13,041–24,530 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,937 ft1,630 sx
5.5"24,529 ft4,802 sx

Permit History (1)

Applications (1)

#902921 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 28.863872
Lon -97.835092

Well Details

Well Number
1H
Max Depth
22,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2025-04-16

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