42-227-39327

PRODUCING Horizontal

OLD TOM UNIT A 21-28

HOWARD County · District 8 · SURGE OPERATING LLC · SPRABERRY (TREND AREA)

Permits

2

Max Depth

10,000 ft

First Permit

2017-10-20

Latest Activity

2017-10-20

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2018-04-13

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2017-03

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 2,693 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 1,952 ft+741 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)3,535 ft-842 ft
GLORIETA 4,515 ft-1,822 ft
CLEARFORK - SEVERE WATER FLOWS (Clear Fork)5,824 ft-3,131 ft
SPRABERRY 6,191 ft-3,498 ft
DEAN 7,401 ft-4,708 ft
WOLFCAMP 7,512 ft-4,819 ft
COLEMAN JUNCTION
LEONARD
SEVEN RIVERS

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
42-227-39107 OLD TOM UNIT A 21-28 · SURGE OPERATING, LLC
0.1 mi
Yates 1,945'San Andres 3,511'Clear Fork 5,830'Spraberry 6,819'Dean 7,436'Wolfcamp 7,563'Leonard Glorieta Seven Rivers Coleman Junction
42-227-39524 OLD TOM UNIT A 21-28 · SURGE OPERATING, LLC
0.1 mi
Yates 1,965'San Andres 3,524'Clear Fork 5,826'Spraberry 6,196'Coleman Junction Leonard Glorieta Wolfcamp Seven Rivers Dean
42-227-39561 OLD TOM UNIT B 21-28 · SURGE OPERATING, LLC
0.3 mi
Yates 1,921'San Andres 3,404'Clear Fork 5,702'Spraberry 6,062'Dean 7,351'Wolfcamp 7,445'Leonard Glorieta Seven Rivers Coleman Junction
42-227-39536 OLD TOM UNIT A 21-28 · SURGE OPERATING, LLC
0.3 mi
Yates 1,925'San Andres 3,504'Clear Fork 5,796'Spraberry 6,165'Dean 7,417'Wolfcamp 7,533'Coleman Junction Glorieta Seven Rivers Leonard
42-227-39501 OLD TOM UNIT B 21-28 · SURGE OPERATING, LLC
0.4 mi
Yates 1,907'San Andres 3,483'Atoka Silurian (undifferentiated) Canyon Fusselman Ellenburger Seven Rivers Coleman Junction Glorieta
42-227-39328 OLD TOM UNIT B 21-28 · SURGE OPERATING, LLC
0.5 mi
Rustler 1,374'Yates 1,923'Queen 2,673'San Andres 3,481'Glorieta 4,533'Clear Fork 5,778'Spraberry 6,143'Coleman Junction Leonard Seven Rivers
42-227-38973 HAMLIN UNIT 20-29 · SURGE OPERATING, LLC
0.6 mi
Yates 1,957'San Andres 3,547'Clear Fork 5,846'Spraberry 6,193'Dean 7,422'Wolfcamp 7,533'Leonard Glorieta Seven Rivers Coleman Junction
42-227-35640 IDEN · TRILOGY OPERATING, INC.
0.6 mi
Yates 1,962'San Andres 3,129'Clear Fork 4,157'Spraberry 6,202'Dean 7,435'Wolfcamp 7,590'Coleman Junction Seven Rivers Glorieta Leonard

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
7,980–16,791 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"500 ft540 sx
9.625"7,560 ft1,125 sx
5.5"16,907 ft2,750 sx

Permit History (2)

Applications (2)

#831927 A SURGE OPERATING, LLC
received 2018-10-17
#831927 A SURGE OPERATING, LLC
received 2017-10-12

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2018-10-17 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 32.431489
Lon -101.500702

Well Details

Well Number
3AH
Max Depth
10,000 ft
Drill Type
Horizontal
County
HOWARD
District
8
Completed
2018-04-13

Operator

Location
HOUSTON
P-5 Status
Active (filed 2025-08-11)
Cum Oil (all leases)
171,981,165 bbl
Cum Gas (all leases)
— mcf
Activities
OPRS/O
Total Permits
1,211