42-003-47472

PRODUCING Horizontal

UL MASON WEST UNIT

ANDREWS County · District 8 · DIAMONDBACK E&P LLC · SPRABERRY (TREND AREA)

Permits

1

Max Depth

10,500 ft

First Permit

2017-01-25

Latest Activity

2017-01-25

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2022-10-03

Shut-In

Plugged

P-5 Org Status: X

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2017-07

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 2,947 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 3,124 ft-177 ft
SEVEN RIVERS 3,287 ft-340 ft
QUEEN 3,799 ft-852 ft
GRAYBURG 4,198 ft-1,251 ft
SAN ANDRES - CO2 FLOOD, HIGH FLO (San Andres)4,666 ft-1,719 ft
GLORIETA 5,505 ft-2,558 ft
CLEARFORK (Clear Fork)6,688 ft-3,741 ft
HOLT
PERMIAN DETRITAL (Permian (undifferentiated))
TUBB

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 ↗

Perforations (1)

IntervalType
10,018–23,002 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,813 ft1,320 sx
9.625"6,039 ft1,253 sx
5.5"23,146 ft4,335 sx

Permit History (1)

Applications (1)

#822154 A DIAMONDBACK E&P LLC
received 2017-01-16

Records & Logs

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

W-2/G-1 2025-05-20
W-2/G-1 2023-01-26
W-2/G-1 2017-11-02 log on file
W-2/G-1 2017-10-05 log on file
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in ANDREWS County.

Well Details

Well Number
9LS
Max Depth
10,500 ft
Drill Type
Horizontal
County
ANDREWS
District
8
Completed
2022-10-03

Operator

Location
MIDLAND
P-5 Status
X (filed 2026-05-04)
Cum Oil (all leases)
986,290,193 bbl
Cum Gas (all leases)
41,995,553 mcf
Activities
GTHS/C, GTHS/O, OPRS/G, OPRS/O
Total Permits
4,969