42-255-35676

Horizontal

TURNBULL UNIT B-C 10H PSA

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

Permits

2

Max Depth

20,000 ft

First Permit

2017-10-27

Latest Activity

2017-10-27

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2018-06-14

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2018-06

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 (11) Elevation 360 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
AUSTIN CHALK - H2S (Austin Chalk)1,152 ft-792 ft
YEGUA - DISPOSAL (Yegua)1,574 ft-1,214 ft
QUEEN CITY 3,785 ft-3,425 ft
REKLAW 4,452 ft-4,092 ft
CARRIZO 4,747 ft-4,387 ft
WILCOX - DISPOSAL (Wilcox)6,209 ft-5,849 ft
AUSTIN CHALK - H2S (Austin Chalk)11,520 ft-11,160 ft
EAGLE FORD - H2S (Eagle Ford)11,672 ft-11,312 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
42-255-35675 TURNBULL UNIT B-C 9H PSA · MARATHON OIL EF LLC
0.0 mi
Yegua 1,574'Queen City 3,785'Reklaw 4,452'Carrizo 4,747'Wilcox 6,209'Austin Chalk 11,566'Eagle Ford 11,672'Frio Sligo Edwards
42-255-35678 TURNBULL UNIT B-C 11H PSA · MARATHON OIL EF LLC
0.0 mi
Yegua 1,574'Queen City 3,785'Reklaw 4,452'Carrizo 4,747'Wilcox 6,209'Austin Chalk 11,535'Eagle Ford 11,651'Frio Sligo Edwards
42-255-35679 TURNBULL UNIT B-C 12H PSA · MARATHON OIL EF LLC
0.0 mi
Yegua 1,574'Queen City 3,785'Reklaw 4,452'Carrizo 4,747'Wilcox 6,209'Austin Chalk 11,525'Eagle Ford 11,640'Frio Sligo Edwards
42-255-35674 TURNBULL UNIT B-C 8H PSA · MARATHON OIL EF LLC
0.0 mi
Yegua 3,785'Queen City 4,747'Wilcox 6,209'Austin Chalk 11,577'Eagle Ford 11,680'Frio Sligo Carrizo Reklaw Edwards
42-255-35680 TURNBULL UNIT B-C-G 1H PSA · MARATHON OIL EF LLC
0.0 mi
Yegua 1,574'Queen City 3,785'Reklaw 4,452'Carrizo 4,747'Wilcox 6,209'Austin Chalk 11,507'Eagle Ford 11,633'Sligo Frio Edwards
42-255-37918 SAN CHIRSTOVAL · BURLINGTON RESOURCES O & G CO LP
0.2 mi
Yegua 1,531'Queen City 3,455'Reklaw 4,388'Carrizo 4,545'Wilcox 4,956'Austin Chalk 11,510'Eagle Ford 11,640'Sligo Frio Edwards
42-255-37919 SAN CHRISTOVAL · BURLINGTON RESOURCES O & G CO LP
0.2 mi
Yegua 1,560'Queen City 3,473'Reklaw 4,406'Carrizo 4,550'Wilcox 4,955'Austin Chalk 11,515'Eagle Ford 11,648'Sligo Frio Edwards
42-255-37920 SAN CHRISTOVAL · BURLINGTON RESOURCES O & G CO LP
0.2 mi
Yegua 1,540'Queen City 3,486'Reklaw 4,428'Carrizo 4,575'Wilcox 4,957'Austin Chalk 11,526'Eagle Ford 11,664'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
11,805–20,213 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,868 ft1,805 sx
5.5"20,319 ft2,945 sx

Permit History (2)

Applications (2)

#832132 A MARATHON OIL EF LLC
received 2018-03-21
#832132 A MARATHON OIL EF LLC
received 2017-10-18

Records & Logs

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

W-2/G-1 2023-06-07 log on file
W-2/G-1 2018-07-22 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 28.762975
Lon -98.043408

Well Details

Well Number
10H
Max Depth
20,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2018-06-14

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