42-255-38107

PRODUCING Horizontal

KIRK-LONG SA2

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

Permits

1

Max Depth

22,000 ft

First Permit

2024-07-23

Latest Activity

2024-07-23

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2025-02-11

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2025-02

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 403 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 4,644 ft-4,241 ft
REKLAW 5,212 ft-4,809 ft
CARRIZO 6,185 ft-5,782 ft
WILCOX - DISPOSAL (Wilcox)6,391 ft-5,988 ft
AUSTIN CHALK - H2S (Austin Chalk)13,176 ft-12,773 ft
EAGLE FORD - H2S (Eagle Ford)13,432 ft-13,029 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
42-255-38106 KIRK-LONG SA1 · MARATHON OIL EF LLC
0.0 mi
Queen City 4,644'Queen City 4,664'Reklaw 5,212'Carrizo 6,185'Wilcox 6,391'Wilcox 6,391'Frio Yegua
42-255-38105 KIRK 01 · MARATHON OIL EF LLC
0.0 mi
Queen City 4,644'Reklaw 5,212'Carrizo 6,185'Wilcox 6,391'Austin Chalk 13,218'Eagle Ford 13,473'Frio Yegua Sligo Edwards
42-255-38104 KIRK 01 · MARATHON OIL EF LLC
0.0 mi
Queen City 4,644'Reklaw 5,212'Carrizo 6,185'Wilcox 6,390'Wilcox 6,391'Austin Chalk 13,259'Eagle Ford 13,488'Frio Yegua Sligo Edwards
42-255-34490 DEBILL 01 · PIONEER NATURAL RES. USA, INC.
0.6 mi
Frio 594'Yegua 2,929'Queen City 5,199'Reklaw 5,399'Carrizo 6,139'Wilcox 9,349'Austin Chalk 12,994'Eagle Ford 13,345'Sligo Edwards
42-255-37759 KIRK 01 · MARATHON OIL EF LLC
0.8 mi
Sparta 2,890'Queen City 4,834'Reklaw 5,320'Carrizo 6,222'Wilcox 6,431'Anacacho 13,143'Austin Chalk 13,202'Eagle Ford 13,449'Yegua Frio Edwards
42-255-37762 KIRK 01 · MARATHON OIL EF LLC
0.8 mi
Sparta 2,890'Queen City 4,834'Reklaw 5,320'Carrizo 6,222'Wilcox 6,431'Anacacho 13,163'Austin Chalk 13,201'Eagle Ford 13,445'Yegua Edwards Frio Sligo
42-255-37760 KIRK 01 · MARATHON OIL EF LLC
0.8 mi
Sparta 2,890'Queen City 4,834'Reklaw 5,320'Carrizo 6,222'Wilcox 6,431'Anacacho 13,141'Austin Chalk 13,201'Eagle Ford 13,438'Yegua Frio
42-255-37761 KIRK 01 · MARATHON OIL EF LLC
0.8 mi
Sparta 2,890'Queen City 4,834'Reklaw 5,320'Carrizo 6,222'Wilcox 6,431'Anacacho 13,165'Austin Chalk 13,165'Eagle Ford 13,233'Austin Chalk 13,233'Eagle Ford 13,476'Yegua Edwards +2 more

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
13,673–18,635 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"4,672 ft1,288 sx
5.5"18,635 ft3,549 sx

Permit History (1)

Applications (1)

#901298 A MARATHON OIL EF LLC
received 2024-07-15

Records & Logs

2 completion filings on record · 1 with log images at RRC.

W-2/G-1 2026-08-21
W-2/G-1 2025-03-26 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 28.915994
Lon -97.689783

Well Details

Well Number
2H
Max Depth
22,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2025-02-11

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