42-255-37630

PRODUCING Horizontal

CHAPMAN-FRANKE-MURPHY-KOTARA SA

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

Permits

1

Max Depth

22,000 ft

First Permit

2022-11-07

Latest Activity

2022-11-07

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2023-02-22

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2023-02

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 328 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 3,913 ft-3,585 ft
REKLAW 4,454 ft-4,126 ft
CARRIZO 4,995 ft-4,667 ft
WILCOX - DISPOSAL (Wilcox)5,074 ft-4,746 ft
AUSTIN CHALK - H2S (Austin Chalk)11,951 ft-11,623 ft
EAGLE FORD - H2S (Eagle Ford)12,149 ft-11,821 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
42-255-37631 CHAPMAN ROGERS-FRANKE SA · MARATHON OIL EF LLC
0.0 mi
Queen City 3,913'Reklaw 4,454'Carrizo 4,995'Wilcox 5,074'Austin Chalk 12,019'Eagle Ford 12,156'Yegua Sligo Frio Edwards
42-255-37632 ZAESKE-ECKOLS-FRANKE SA · MARATHON OIL EF LLC
0.0 mi
Sparta 3,609'Queen City 3,913'Reklaw 4,454'Carrizo 4,995'Wilcox 5,074'Anacacho 11,817'Austin Chalk 11,968'Eagle Ford 12,157'Yegua Edwards Frio Sligo
42-255-36919 YOSKO BORGFELD-YOSKO UNIT SA · MARATHON OIL EF LLC
0.6 mi
Yegua 1,855'Queen City 3,835'Reklaw 4,375'Carrizo 4,925'Wilcox 5,055'Austin Chalk 11,897'Eagle Ford 12,079'Sligo Frio Edwards
42-255-36917 YOSKO BORGFELD UNIT · MARATHON OIL EF LLC
0.6 mi
Yegua 1,855'Queen City 3,835'Reklaw 4,375'Carrizo 4,925'Wilcox 5,055'Austin Chalk 11,737'Eagle Ford 12,076'Sligo Frio Edwards
42-255-36918 YOSKO BORGFELD UNIT · MARATHON OIL EF LLC
0.6 mi
Yegua 1,855'Queen City 3,835'Reklaw 4,375'Carrizo 4,925'Wilcox 5,055'Austin Chalk 11,878'Eagle Ford 11,931'Sligo Frio Edwards
42-255-36916 YOSKO BORGFELD UNIT · MARATHON OIL EF LLC
0.6 mi
Yegua 1,855'Queen City 3,835'Reklaw 4,375'Carrizo 4,925'Wilcox 5,055'Austin Chalk 11,864'Eagle Ford 12,048'Sligo Frio Edwards
42-255-36920 BRYSCH JONAS-YOSKO BORGFELD SA · MARATHON OIL EF LLC
0.6 mi
Yegua 1,855'Queen City 3,835'Reklaw 4,375'Carrizo 4,925'Wilcox 5,055'Austin Chalk 11,842'Eagle Ford 12,028'Frio Sligo Edwards
42-255-37871 FRANKE UNIT · DEVON ENERGY PRODUCTION CO, L.P.
0.8 mi
Frio 1,894'Yegua 2,881'Queen City 3,978'Reklaw 4,413'Carrizo 4,942'Wilcox 5,218'Austin Chalk 12,131'Eagle Ford 12,286'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
12,313–19,558 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,656 ft1,387 sx
6"19,558 ft3,099 sx

Permit History (1)

Applications (1)

#885208 A MARATHON OIL EF LLC
received 2022-10-25

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2023-12-21 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 28.847556
Lon -97.937134

Well Details

Well Number
1H
Max Depth
22,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2023-02-22

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