42-255-34892

PRODUCING Horizontal

DAVILA-GRAHAM UNIT AC

KARNES County · District 2 · MARATHON OIL EF LLC · SUGARKANE (AUSTIN CHALK)

Permits

2

Max Depth

21,000 ft

First Permit

2015-12-16

Latest Activity

2015-12-16

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2021-09-09

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2017-04

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 439 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YEGUA - DISPOSAL (Yegua)1,592 ft-1,153 ft
QUEEN CITY 3,866 ft-3,427 ft
REKLAW 4,433 ft-3,994 ft
CARRIZO 4,788 ft-4,349 ft
WILCOX - DISPOSAL (Wilcox)6,099 ft-5,660 ft
AUSTIN CHALK - H2S (Austin Chalk)11,698 ft-11,259 ft
EAGLE FORD - H2S (Eagle Ford)
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
42-255-34891 DAVILA-GRAHAM UNIT · MARATHON OIL EF LLC
0.0 mi
Yegua 1,592'Queen City 3,866'Reklaw 4,433'Carrizo 4,788'Wilcox 6,099'Austin Chalk 11,700'Eagle Ford 11,829'Queen City Reklaw Yegua Wilcox Edwards +5 more
42-255-34890 DAVILA-GRAHAM UNIT · MARATHON OIL EF LLC
0.0 mi
Yegua 1,592'Queen City 3,866'Reklaw 4,433'Carrizo 4,788'Wilcox 6,099'Austin Chalk 11,701'Eagle Ford 11,835'Frio Sligo Edwards
42-255-37855 L.B.HAILEY-DAVILA-BAILEY SA · MARATHON OIL EF LLC
0.7 mi
Cook Mountain 2,932'Queen City 3,939'Reklaw 4,473'Carrizo 4,874'Wilcox 4,930'Anacacho 11,529'Austin Chalk 11,679'Eagle Ford 11,831'Yegua Edwards Frio Sligo
42-255-37852 L.B. HAILEY AC · MARATHON OIL EF LLC
0.7 mi
Queen City 3,939'Reklaw 4,473'Carrizo 4,874'Wilcox 4,930'Austin Chalk 11,674'Edwards Eagle Ford Yegua Sligo Frio
42-255-37853 L.B. HAILEY UNIT · MARATHON OIL EF LLC
0.7 mi
Cook Mountain 2,932'Queen City 3,939'Reklaw 4,473'Carrizo 4,874'Wilcox 4,930'Anacacho 11,528'Austin Chalk 11,671'Eagle Ford 11,830'Yegua Edwards Frio Sligo
42-255-37854 L.B. HAILEY-BEST FENNER SA · MARATHON OIL EF LLC
0.7 mi
COOK MOUNATAIN 2,932'Queen City 3,939'Reklaw 4,473'Carrizo 4,874'Wilcox 4,930'Austin Chalk 11,658'Eagle Ford 11,811'Yegua Frio Edwards Sligo
42-255-37856 L.B. HAILEY-DAVILA-ST. GER SA · MARATHON OIL EF LLC
0.7 mi
Cook Mountain 2,932'Queen City 3,939'Reklaw 4,473'Carrizo 4,874'Wilcox 4,930'Anacacho 11,510'Austin Chalk 11,657'Eagle Ford 11,803'Sligo Frio Yegua Edwards
42-255-37149 L.B. HAILEY-MORGAN SA · MARATHON OIL EF LLC
0.8 mi
Queen City 3,932'Reklaw 4,404'Carrizo 5,032'Carrizo 5,035'Wilcox 5,077'Austin Chalk 11,935'Austin Chalk 11,940'Eagle Ford 12,061'Eagle Ford 12,067'Frio Yegua Sligo +1 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
12,120–19,332 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"6,003 ft1,902 sx
5.5"19,427 ft3,370 sx

Permit History (2)

Applications (2)

#812621 A MARATHON OIL EF LLC
received 2017-07-20
#812621 A MARATHON OIL EF LLC
received 2015-12-10

Records & Logs

3 completion filings on record · 1 with log images at RRC.

W-2/G-1 2021-09-22
W-2/G-1 2017-06-16 log on file
W-2/G-1 2017-05-09

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 28.786522
Lon -98.007692

Well Details

Well Number
6H
Max Depth
21,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2021-09-09

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