42-255-35639

TEMP ABANDONED Horizontal

MAY B UNIT

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

Permits

1

Max Depth

22,000 ft

First Permit

2017-10-20

Latest Activity

2017-10-20

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2018-07-03

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2017-12

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 504 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YEGUA - DISPOSAL (Yegua)2,169 ft-1,665 ft
QUEEN CITY 4,567 ft-4,063 ft
REKLAW 4,964 ft-4,460 ft
CARRIZO 5,554 ft-5,050 ft
AUSTIN CHALK - H2S (Austin Chalk)12,455 ft-11,951 ft
EAGLE FORD - H2S (Eagle Ford)12,548 ft-12,044 ft
EDWARDS - H2S (Edwards)
FRIO - DISPOSAL (Frio)
SLIGO - H2S (Sligo)
WILCOX - DISPOSAL (Wilcox)

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
42-255-35638 MAY B UNIT · MARATHON OIL EF LLC
0.0 mi
Yegua 2,169'Queen City 4,567'Reklaw 4,964'Carrizo 5,554'Austin Chalk 12,450'Eagle Ford 12,542'Frio Sligo Wilcox Edwards
42-255-35640 MAY B UNIT · MARATHON OIL EF LLC
0.0 mi
Yegua 2,169'Queen City 4,567'Reklaw 4,964'Carrizo 5,554'Austin Chalk 12,299'Austin Chalk 12,459'Eagle Ford 12,548'Frio Sligo Wilcox Edwards
42-255-35641 MAY B UNIT AC · MARATHON OIL EF LLC
0.0 mi
Yegua 2,169'Queen City 4,567'Reklaw 4,964'Carrizo 5,554'Austin Chalk 12,451'Frio Sligo Wilcox Edwards Eagle Ford
42-255-35625 MAY B UNIT · MARATHON OIL EF LLC
0.1 mi
Yegua 2,209'Queen City 4,606'Reklaw 5,003'Carrizo 5,594'Wilcox 6,766'Austin Chalk 12,462'Eagle Ford 12,550'Frio Sligo Edwards
42-255-35626 MAY B UNIT · MARATHON OIL EF LLC
0.1 mi
Yegua 2,209'Queen City 4,606'Reklaw 5,003'Carrizo 5,594'Wilcox 6,766'Austin Chalk 12,466'Eagle Ford 12,551'Frio Sligo Edwards
42-255-35627 MAY B UNIT · MARATHON OIL EF LLC
0.1 mi
Yegua 2,209'Queen City 4,606'Reklaw 5,003'Carrizo 5,594'Wilcox 6,766'Austin Chalk 12,470'Eagle Ford 12,555'Frio Sligo Edwards
42-255-35628 MAY B UNIT · MARATHON OIL EF LLC
0.1 mi
Yegua 2,209'Queen City 4,606'Reklaw 5,003'Carrizo 5,594'Wilcox 6,766'Austin Chalk 12,476'Eagle Ford 12,563'Sligo Frio Edwards
42-255-35838 HOLLMAN UNIT · MARATHON OIL EF LLC
1.1 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

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
12,704–20,979 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"5,988 ft1,733 sx
5.5"21,088 ft3,872 sx

Permit History (1)

Applications (1)

#831556 A MARATHON OIL EF LLC
received 2017-10-02

Records & Logs

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

W-2/G-1 2018-07-26 log on file
W-2/G-1 2018-06-26 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 28.776656
Lon -97.952361

Well Details

Well Number
16H
Max Depth
22,000 ft
Drill Type
Horizontal
County
KARNES
District
2
Completed
2018-07-03

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