42-255-37363

Final Completion Horizontal

TURNBULL F-KOWALIK SA3

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

Permits

1

Max Depth

26,000 ft

First Permit

2021-12-14

Latest Activity

2021-12-14

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2022-10-21

Shut-In

Plugged

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 439 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 3,520 ft-3,081 ft
REKLAW 4,105 ft-3,666 ft
CARRIZO 4,652 ft-4,213 ft
WILCOX - DISPOSAL (Wilcox)4,739 ft-4,300 ft
AUSTIN CHALK - H2S (Austin Chalk)11,276 ft-10,837 ft
EAGLE FORD - H2S (Eagle Ford)11,462 ft-11,023 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
42-255-37364 TURNBULL F-KOWALIK SA1 · MARATHON OIL EF LLC
0.0 mi
Queen City 3,520'Reklaw 4,105'Carrizo 4,652'Wilcox 4,739'Austin Chalk 11,290'Eagle Ford 11,479'Yegua Sligo Frio Edwards
42-255-37365 TURNBULL UNIT F · MARATHON OIL EF LLC
0.0 mi
Queen City 3,520'Reklaw 4,105'Carrizo 4,652'Wilcox 4,739'Austin Chalk 11,315'Eagle Ford 11,489'Yegua Sligo Frio Edwards
42-255-37366 TURNBULL UNIT F · MARATHON OIL EF LLC
0.0 mi
Queen City 3,520'Reklaw 4,105'Carrizo 4,652'Wilcox 4,739'Austin Chalk 11,324'Eagle Ford 11,508'Yegua Frio Edwards Sligo
42-255-37367 TURNBULL UNIT F · MARATHON OIL EF LLC
0.0 mi
Queen City 3,520'Reklaw 4,105'Carrizo 4,652'Wilcox 4,739'Austin Chalk 11,327'Eagle Ford 11,513'Frio Yegua Sligo Edwards
42-255-37368 TURNBULL F-IMPERIAL-KOWALIK SA · MARATHON OIL EF LLC
0.0 mi
Queen City 3,520'Reklaw 4,105'Carrizo 4,652'Wilcox 4,739'Austin Chalk 11,340'Eagle Ford 11,512'Yegua Frio Edwards Sligo
42-255-35621 COY CITY RANCH UNIT B · MARATHON OIL EF LLC
0.6 mi
Yegua 1,482'Queen City 3,615'Reklaw 4,272'Carrizo 4,505'Wilcox 5,924'Austin Chalk 11,223'Eagle Ford 11,392'Sligo Frio Edwards
42-255-35622 COY CITY RANCH UNIT B · MARATHON OIL EF LLC
0.6 mi
Yegua 1,482'Queen City 3,615'Reklaw 4,272'Carrizo 4,505'Wilcox 5,924'Austin Chalk 11,218'Eagle Ford 11,364'Sligo Frio Edwards
42-255-35623 COY CITY RANCH UNIT B · MARATHON OIL EF LLC
0.6 mi
Yegua 1,482'Queen City 3,615'Reklaw 4,272'Carrizo 4,505'Wilcox 5,924'Austin Chalk 11,214'Eagle Ford 11,383'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
11,706–18,793 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,850 ft1,690 sx
6"18,793 ft3,015 sx

Permit History (1)

Applications (1)

#875174 A MARATHON OIL EF LLC
received 2021-12-09

Records & Logs

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

W-2/G-1 2024-01-22 log on file
W-2/G-1 2022-12-15
W-2/G-1 2022-06-16 log on file
W-2/G-1 2022-04-05 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 28.809034
Lon -98.026829

Well Details

Well Number
3H
Max Depth
26,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2022-10-21

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