42-255-36501

PRODUCING Horizontal

CARPENTER-THOMPSON UNIT

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

Permits

1

Max Depth

21,000 ft

First Permit

2019-06-10

Latest Activity

2019-06-10

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2020-02-21

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2011-07

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 437 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 2,920 ft-2,483 ft
REKLAW 3,495 ft-3,058 ft
CARRIZO 4,166 ft-3,729 ft
WILCOX - DISPOSAL (Wilcox)5,582 ft-5,145 ft
AUSTIN CHALK - H2S (Austin Chalk)10,603 ft-10,166 ft
EAGLE FORD - H2S (Eagle Ford)10,796 ft-10,359 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
42-255-36500 CARPENTER-THOMPSON UNIT · MARATHON OIL EF LLC
0.0 mi
Queen City 2,920'Reklaw 3,495'Carrizo 4,166'Wilcox 5,582'Austin Chalk 10,633'Eagle Ford 10,811'Eagle Ford 10,848'Yegua Sligo Frio Edwards
42-255-36499 CARPENTER-THOMPSON UNIT · MARATHON OIL EF LLC
0.0 mi
Queen City 2,920'Reklaw 3,495'Carrizo 4,166'Wilcox 5,582'Austin Chalk 10,600'Eagle Ford 10,799'Yegua Sligo Frio Edwards
42-255-36498 CARPENTER-THOMPSON UNIT · MARATHON OIL EF LLC
0.0 mi
Queen City 2,920'Reklaw 3,495'Carrizo 4,166'Wilcox 5,582'Austin Chalk 10,584'Eagle Ford 10,783'Edwards Sligo Frio Yegua
42-255-36497 CARPENTER-THOMPSON UNIT · MARATHON OIL EF LLC
0.0 mi
Queen City 2,452'Queen City 2,920'Reklaw 3,027'Reklaw 3,495'Carrizo 3,698'Carrizo 4,166'Wilcox 5,114'Wilcox 5,582'Austin Chalk 10,594'Eagle Ford 10,791'Yegua Sligo +2 more
42-255-36496 CARPENTER-KELLNER UNIT · MARATHON OIL EF LLC
0.0 mi
Queen City 2,920'Reklaw 3,495'Carrizo 4,166'Wilcox 5,582'Anacacho 10,453'Austin Chalk 10,586'Austin Chalk 10,586'Eagle Ford 10,791'Eagle Ford 10,791'Reklaw Queen City Frio +6 more
42-255-38030 CHAPMAN HUMMEL-CARPENTER SA1 · MARATHON OIL EF LLC
0.4 mi
Queen City 2,778'Reklaw 3,376'Carrizo 4,083'Wilcox 4,202'Austin Chalk 10,582'Eagle Ford 10,794'Yegua Sligo Frio Edwards
42-255-38033 CHAPMAN-HUMMEL UNIT · MARATHON OIL EF LLC
0.4 mi
Queen City 2,778'Reklaw 3,376'Carrizo 4,083'Wilcox 4,202'Austin Chalk 10,573'Eagle Ford 10,797'Edwards Yegua Frio Sligo
42-255-38032 CHAPMAN-HUMMEL UNIT · MARATHON OIL EF LLC
0.4 mi
Queen City 2,778'Reklaw 3,376'Carrizo 4,083'Wilcox 4,202'Austin Chalk 10,568'Eagle Ford 10,658'Yegua Frio Edwards Sligo

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
11,058–15,289 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,327 ft1,335 sx
5.5"15,399 ft2,305 sx

Permit History (1)

Applications (1)

#853813 A MARATHON OIL EF LLC
received 2019-06-04

Records & Logs

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

W-2/G-1 2020-04-05 log on file
W-2/G-1 2020-01-20
W-2/G-1 2019-10-11 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 28.811433
Lon -98.110989

Well Details

Well Number
5H
Max Depth
21,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2020-02-21

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