42-255-37720

PRODUCING Horizontal

HOLLMAN-MAY B SA

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

Permits

1

Max Depth

24,000 ft

First Permit

2023-02-23

Latest Activity

2023-02-23

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2023-09-20

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2023-06

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 (12) Elevation 421 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
COOK MOUNTAIN 2,479 ft-2,058 ft
SPARTA 3,074 ft-2,653 ft
QUEEN CITY 3,350 ft-2,929 ft
REKLAW 3,936 ft-3,515 ft
CARRIZO 4,493 ft-4,072 ft
WILCOX - DISPOSAL (Wilcox)4,569 ft-4,148 ft
ANACACHO 11,866 ft-11,445 ft
AUSTIN CHALK - H2S (Austin Chalk)12,016 ft-11,595 ft
EAGLE FORD - H2S (Eagle Ford)12,153 ft-11,732 ft
EDWARDS - H2S (Edwards)
FRIO - DISPOSAL (Frio)
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
42-255-37721 DIRECT-ROBERT-GROSS SA · MARATHON OIL EF LLC
0.0 mi
Cook Mountain 2,479'Sparta 3,074'Queen City 3,350'Reklaw 3,936'Carrizo 4,493'Wilcox 4,569'Anacacho 11,886'Austin Chalk 12,035'Eagle Ford 12,168'Yegua Frio
42-255-35838 HOLLMAN UNIT · MARATHON OIL EF LLC
0.6 mi
Yegua 1,917'Queen City 4,314'Reklaw 4,711'Carrizo 5,302'Wilcox 6,474'Austin Chalk 12,217'Eagle Ford 12,338'Frio Sligo Edwards
42-255-35839 HOLLMAN UNIT AC · MARATHON OIL EF LLC
0.6 mi
Yegua 1,917'Queen City 4,314'Reklaw 4,711'Carrizo 5,302'Wilcox 6,474'Austin Chalk 12,216'Sligo Frio Edwards Eagle Ford
42-255-35837 HOLLMAN UNIT · MARATHON OIL EF LLC
0.6 mi
Yegua 1,917'Queen City 4,314'Reklaw 4,711'Carrizo 5,302'Wilcox 6,474'Austin Chalk 12,223'Eagle Ford 12,337'Sligo Frio Edwards
42-255-35836 HOLLMAN UNIT · MARATHON OIL EF LLC
0.6 mi
Yegua 1,917'Queen City 4,314'Reklaw 4,711'Carrizo 5,302'Wilcox 6,474'Austin Chalk 12,206'Eagle Ford 12,324'Sligo Frio Edwards
42-255-35543 HOLLMAN UNIT · MARATHON OIL EF LLC
0.6 mi
Queen City 4,202'Reklaw 4,706'Carrizo 5,209'Wilcox 6,533'Austin Chalk 12,008'Eagle Ford 12,156'Yegua Frio Edwards Sligo
42-255-35544 HOLLMAN UNIT · MARATHON OIL EF LLC
0.6 mi
Yegua 1,910'Queen City 4,242'Reklaw 4,706'Carrizo 5,209'Wilcox 6,533'Austin Chalk 12,010'Eagle Ford 12,153'Sligo Frio Edwards
42-255-35545 HOLLMAN UNIT · MARATHON OIL EF LLC
0.6 mi
Yegua 1,910'Queen City 4,242'Reklaw 4,706'Carrizo 5,209'Wilcox 6,533'Austin Chalk 12,004'Eagle Ford 12,150'Frio 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
12,341–20,127 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"6,150 ft1,470 sx
6"20,127 ft3,261 sx

Permit History (1)

Applications (1)

#887943 A MARATHON OIL EF LLC
received 2023-02-06

Records & Logs

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

W-2/G-1 2023-11-22
W-2/G-1 2023-09-12 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 28.792535
Lon -97.971874

Well Details

Well Number
1H
Max Depth
24,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2023-09-20

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