42-329-42109

PRODUCING Horizontal

MASK HZ UNIT

MIDLAND County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)

Permits

2

Max Depth

12,000 ft

First Permit

2018-01-30

Latest Activity

2018-01-30

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2020-02-10

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: COG OPERATING LLC ≠ Permit: RSP PERMIAN, LLC

Resolved via: productionCOG OPERATING LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2016-06

Last Production

2026-07

Operator History

Chain of Custody

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (10) Elevation 2,813 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 1,135 ft+1,678 ft
YATES 2,832 ft-19 ft
SEVEN RIVERS 3,088 ft-275 ft
QUEEN 3,907 ft-1,094 ft
GRAYBURG 4,037 ft-1,224 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,638 ft-1,825 ft
GLORIETA 5,683 ft-2,870 ft
CLEARFORK (Clear Fork)6,960 ft-4,147 ft
SPRABERRY 7,882 ft-5,069 ft
SPRABERRY UPPER-DEAN (Spraberry)9,152 ft-6,339 ft

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
42-329-42112 MASK HZ UNIT · RSP PERMIAN, LLC
0.0 mi
Santa Rosa 1,116'Yates 2,829'Seven Rivers 3,080'Queen 3,907'Grayburg 4,037'San Andres 4,636'Glorieta 5,685'Clear Fork 6,950'Spraberry 7,874'Spraberry 9,148'
42-329-47131 MASK HZ UNIT · COG OPERATING LLC
0.1 mi
Santa Rosa 1,157'Rustler 1,854'Yates 2,830'Seven Rivers 3,198'Queen 3,590'Grayburg 4,065'San Andres 4,593'Glorieta 5,671'Clear Fork 6,968'Spraberry 7,885'
42-329-47132 MASK HZ UNIT · COG OPERATING LLC
0.1 mi
Santa Rosa 1,157'Rustler 1,854'Yates 2,829'Seven Rivers 3,197'Queen 3,589'Grayburg 4,063'San Andres 4,593'Glorieta 5,669'Clear Fork 6,966'Spraberry 7,884'
42-329-47129 MASK HZ UNIT · COG OPERATING LLC
0.1 mi
Santa Rosa 1,157'Rustler 1,854'Yates 2,828'Seven Rivers 3,197'Queen 3,589'Grayburg 4,063'San Andres 4,593'Glorieta 5,665'Clear Fork 6,959'Spraberry 7,880'
42-329-47127 MASK HZ UNIT · COG OPERATING LLC
0.1 mi
Santa Rosa 1,157'Rustler 1,854'Yates 2,826'Seven Rivers 3,194'Queen 3,585'Grayburg 4,058'San Andres 4,592'Glorieta 5,658'Clear Fork 6,950'Spraberry 7,876'
42-329-47128 MASK HZ UNIT · COG OPERATING LLC
0.2 mi
Santa Rosa 1,157'Rustler 1,854'Yates 2,826'Seven Rivers 3,194'Queen 3,586'Grayburg 4,058'San Andres 4,592'Glorieta 5,659'Clear Fork 6,952'Spraberry 7,877'
42-329-47125 MASK HZ UNIT · COG OPERATING LLC
0.2 mi
Santa Rosa 1,154'Rustler 1,850'Yates 2,824'Seven Rivers 3,191'Queen 3,583'Grayburg 4,055'San Andres 4,591'Glorieta 5,656'Clear Fork 6,947'PRECAMBRIAN (UNDIFFERENTIATED)
42-329-47126 MASK HZ UNIT · COG OPERATING LLC
0.2 mi
Santa Rosa 1,153'Rustler 1,849'Yates 2,823'Seven Rivers 3,191'Queen 3,582'Grayburg 4,054'San Andres 4,591'Glorieta 5,654'Clear Fork 6,945'Spraberry 7,874'

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
10,114–19,772 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,844 ft1,422 sx
9.625"8,966 ft1,825 sx
5.5"19,890 ft3,145 sx

Permit History (2)

Applications (2)

#833193 A COG OPERATING LLC
received 2018-08-08
#833193 A RSP PERMIAN, LLC
received 2017-11-14

Records & Logs

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

W-2/G-1 2020-04-14 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 32.066934
Lon -102.112855

Well Details

Well Number
1010H
Max Depth
12,000 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2020-02-10

Operator

Location
MIDLAND
P-5 Status
X (filed 2026-06-02)
Cum Oil (all leases)
645,285,792 bbl
Cum Gas (all leases)
305,183,488 mcf
Activities
OPRS/G, OPRS/O
Total Permits
4,538