42-255-36900

PRODUCING Horizontal

DAVIDSON OXFORD UNIT

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

Permits

2

Max Depth

22,000 ft

First Permit

2020-03-30

Latest Activity

2020-03-30

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2020-12-20

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2015-04

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 466 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YEGUA - DISPOSAL (Yegua)1,378 ft-912 ft
QUEEN CITY 3,433 ft-2,967 ft
REKLAW 3,976 ft-3,510 ft
CARRIZO 4,433 ft-3,967 ft
WILCOX - DISPOSAL (Wilcox)5,755 ft-5,289 ft
AUSTIN CHALK - H2S (Austin Chalk)10,934 ft-10,468 ft
EAGLE FORD - H2S (Eagle Ford)11,142 ft-10,676 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
42-255-36921 DAVIDSON OXFORD UNIT · MARATHON OIL EF LLC
0.0 mi
Yegua 1,378'Queen City 3,433'Reklaw 3,976'Carrizo 4,433'Wilcox 5,755'Austin Chalk 10,916'Eagle Ford 11,135'Sligo Frio Edwards
42-255-36903 DAVIDSON OXFORD UNIT · MARATHON OIL EF LLC
0.0 mi
Yegua 1,378'Queen City 3,433'Reklaw 3,976'Carrizo 4,433'Wilcox 5,755'Austin Chalk 10,926'Eagle Ford 11,142'Sligo Frio Edwards
42-255-37420 OXFORD WITTE-CREEL MIXON SA · MARATHON OIL EF LLC
0.5 mi
Queen City 2,928'Reklaw 3,790'Carrizo 4,355'Wilcox 4,412'Austin Chalk 10,914'Eagle Ford 11,138'Yegua Frio Edwards Sligo
42-255-37419 OXFORD-WITTE UNIT · MARATHON OIL EF LLC
0.5 mi
Queen City 2,928'Reklaw 3,790'Carrizo 4,355'Wilcox 4,412'Austin Chalk 10,912'Eagle Ford 11,140'Frio Yegua Sligo Edwards
42-255-37418 OXFORD-WITTE UNIT · MARATHON OIL EF LLC
0.5 mi
Queen City 2,928'Reklaw 3,790'Carrizo 4,355'Wilcox 4,412'Austin Chalk 10,913'Eagle Ford 11,133'Yegua Sligo Frio Edwards
42-255-37417 OXFORD-WITTE UNIT · MARATHON OIL EF LLC
0.5 mi
Queen City 2,928'Reklaw 3,790'Carrizo 4,355'Wilcox 4,412'Austin Chalk 10,912'Eagle Ford 11,137'Yegua Sligo Frio Edwards
42-255-37510 DAVIDSON-ANZALDUA-CREEL SA · MARATHON OIL EF LLC
0.7 mi
Yegua 1,535'Cook Mountain 2,495'Sparta 3,066'Queen City 3,333'Reklaw 3,923'Carrizo 4,484'Wilcox 5,743'Midway 7,419'Austin Chalk 11,039'Eagle Ford 11,251'Frio
42-255-37507 ANZALDUA OXFORD UNIT · MARATHON OIL EF LLC
0.7 mi
Yegua 1,535'Cook Mountain 2,495'Sparta 3,066'Queen City 3,333'Reklaw 3,923'Carrizo 4,484'Wilcox 5,743'Midway 7,419'Olmos 9,621'Austin Chalk 11,041'Eagle Ford 11,252'Frio +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
11,513–16,596 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,548 ft1,641 sx
6"16,596 ft2,130 sx

Permit History (2)

Applications (2)

#863083 A MARATHON OIL EF LLC
received 2020-08-24
#863083 A MARATHON OIL EF LLC
received 2020-03-26

Records & Logs

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

W-2/G-1 2021-01-11 log on file
W-2/G-1 2020-12-14 log on file
W-2/G-1 2020-08-31 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 28.870264
Lon -98.023092

Well Details

Well Number
5H
Max Depth
22,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2020-12-20

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