42-255-37510

PRODUCING Horizontal

DAVIDSON-ANZALDUA-CREEL SA

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

Permits

1

Max Depth

22,000 ft

First Permit

2022-06-06

Latest Activity

2022-06-06

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2023-02-12

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2022-08

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 445 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YEGUA - DISPOSAL (Yegua)1,535 ft-1,090 ft
COOK MOUNTAIN 2,495 ft-2,050 ft
SPARTA 3,066 ft-2,621 ft
QUEEN CITY 3,333 ft-2,888 ft
REKLAW 3,923 ft-3,478 ft
CARRIZO 4,484 ft-4,039 ft
WILCOX - DISPOSAL (Wilcox)5,743 ft-5,298 ft
MIDWAY 7,419 ft-6,974 ft
AUSTIN CHALK - H2S (Austin Chalk)11,039 ft-10,594 ft
EAGLE FORD - H2S (Eagle Ford)11,251 ft-10,806 ft
FRIO - DISPOSAL (Frio)

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
42-255-37507 ANZALDUA OXFORD UNIT · MARATHON OIL EF LLC
0.0 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'Sligo +2 more
42-255-37508 ANZALDUA OXFORD UNIT · MARATHON OIL EF LLC
0.0 mi
Yegua 1,535'Queen City 3,333'Reklaw 3,923'Carrizo 4,484'Wilcox 5,743'Austin Chalk 11,041'Eagle Ford 11,249'Sligo Frio Edwards
42-255-37509 ANZALDUA OXFORD-MARTINEZ SA · MARATHON OIL EF LLC
0.0 mi
Eagle Ford 1,128'Yegua 1,535'Queen City 3,333'Reklaw 3,923'Carrizo 4,484'Wilcox 5,743'Austin Chalk 11,062'Eagle Ford 11,280'Sligo Frio Edwards
42-255-36903 DAVIDSON OXFORD UNIT · MARATHON OIL EF LLC
0.7 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
42-255-36921 DAVIDSON OXFORD UNIT · MARATHON OIL EF LLC
0.7 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
42-255-36900 DAVIDSON OXFORD UNIT · MARATHON OIL EF LLC
0.7 mi
Yegua 1,378'Queen City 3,433'Reklaw 3,976'Carrizo 4,433'Wilcox 5,755'Austin Chalk 10,934'Eagle Ford 11,142'Frio Sligo Edwards
42-255-36478 HEDTKE-ANZALDUA UNIT · MARATHON OIL EF LLC
1.0 mi
Yegua 1,462'Queen City 3,563'Reklaw 4,147'Carrizo 4,500'Wilcox 6,104'Austin Chalk 11,188'Eagle Ford 11,391'Frio Sligo Edwards
42-255-36479 CREEL MIXON-HEDTKE ANZALDUA PSA · MARATHON OIL EF LLC
1.0 mi
Yegua 1,462'Queen City 3,563'Reklaw 4,147'Carrizo 4,500'Wilcox 6,104'Austin Chalk 11,191'Eagle Ford 11,396'Sligo Frio 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
11,617–18,595 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,701 ft1,337 sx
6"18,595 ft2,948 sx

Permit History (1)

Applications (1)

#880440 A MARATHON OIL EF LLC
received 2022-05-23

Records & Logs

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

W-2/G-1 2023-05-08 log on file
W-2/G-1 2023-04-13
W-2/G-1 2022-09-09 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 28.868150
Lon -98.011800

Well Details

Well Number
1H
Max Depth
22,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2023-02-12

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