42-329-46754

PRODUCING Horizontal

TIMMERMAN A8

MIDLAND County · District 8 · COG OPERATING LLC · PARKS (CONSOLIDATED)

Permits

1

Max Depth

12,000 ft

First Permit

2023-12-27

Latest Activity

2023-12-27

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-10-03

Shut-In

Plugged

P-5 Org Status: X

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2024-04

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 (11) Elevation 2,829 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 932 ft+1,897 ft
SANTA ROSA 933 ft+1,896 ft
RUSTLER 1,802 ft+1,027 ft
YATES 2,879 ft-50 ft
SEVEN RIVERS 3,117 ft-288 ft
QUEEN 4,083 ft-1,254 ft
GRAYBURG 4,210 ft-1,381 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,761 ft-1,932 ft
GLORIETA 5,159 ft-2,330 ft
CLEARFORK (Clear Fork)7,042 ft-4,213 ft
SPRABERRY 7,863 ft-5,034 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
42-329-46755 TIMMERMAN A9 · COG OPERATING LLC
0.0 mi
Santa Rosa 933'Rustler 1,802'Yates 2,878'Yates 2,895'Seven Rivers 3,117'Queen 4,084'Grayburg 4,210'San Andres 4,761'Glorieta 5,161'Clear Fork 7,045'Clear Fork 7,046'Spraberry 7,867'
42-329-46753 TIMMERMAN A7 · COG OPERATING LLC
0.0 mi
Santa Rosa 933'Rustler 1,801'Rustler 1,802'Yates 2,878'Yates 2,879'Seven Rivers 3,116'Seven Rivers 3,117'Queen 4,089'Grayburg 4,209'Grayburg 4,210'San Andres 4,761'Glorieta 5,158' +4 more
42-329-46756 TIMMERMAN A10 · COG OPERATING LLC
0.0 mi
Santa Rosa 932'Santa Rosa 933'Rustler 1,801'Rustler 1,802'Yates 2,878'Yates 2,879'Seven Rivers 3,116'Seven Rivers 3,117'Queen 4,098'Queen 4,099'Grayburg 4,204'Grayburg 4,205' +4 more
42-329-46752 TIMMERMAN A6 · COG OPERATING LLC
0.0 mi
Santa Rosa 908'Rustler 1,777'Rustler 1,779'Yates 2,854'Yates 2,860'Seven Rivers 3,091'Seven Rivers 3,099'Queen 4,039'Queen 4,050'Grayburg 4,187'Grayburg 4,199'San Andres 4,739' +7 more
42-329-46751 TIMMERMAN A5 · COG OPERATING LLC
0.0 mi
Santa Rosa 907'Santa Rosa 908'Rustler 1,776'Rustler 1,777'Yates 2,853'Yates 2,854'Seven Rivers 3,089'Queen 3,981'Grayburg 4,183'San Andres 4,741'Glorieta 5,160'Clear Fork 7,052' +2 more
42-329-46758 TIMMERMAN A3 · COG OPERATING LLC
0.2 mi
Santa Rosa 942'Rustler 942'Rustler 1,814'Yates 2,892'Yates 2,893'Seven Rivers 3,125'Seven Rivers 3,126'Queen 3,960'Queen 3,961'Grayburg 4,218'San Andres 4,781'San Andres 4,782' +5 more
42-329-46757 TIMMERMAN A4 · COG OPERATING LLC
0.2 mi
Santa Rosa 912'Santa Rosa 942'Rustler 1,783'Rustler 1,813'Yates 2,862'Yates 2,892'Seven Rivers 3,095'Seven Rivers 3,124'Queen 3,926'Queen 3,956'Grayburg 4,187'Grayburg 4,216' +8 more
42-329-46759 TIMMERMAN A2 · COG OPERATING LLC
0.2 mi
Santa Rosa 942'Rustler 1,812'Yates 2,891'Yates 2,892'Seven Rivers 3,122'Seven Rivers 3,123'Queen 3,915'Grayburg 4,210'San Andres 4,789'San Andres 4,790'Glorieta 5,219'Clear Fork 7,109' +3 more

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
9,218–19,074 ftPerforated

Casing (4)

SizeSet DepthCement
13.375"1,022 ft875 sx
9.625"8,405 ft2,030 sx
5.5"19,165 ft2,605 sx
5.5"19,165 ft2,605 sx

Permit History (1)

Applications (1)

#895908 A COG OPERATING LLC
received 2023-12-14

Records & Logs

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

W-2/G-1 2024-12-24
W-2/G-1 2024-09-06 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 31.815517
Lon -102.161633

Well Details

Well Number
401LH
Max Depth
12,000 ft
Drill Type
Horizontal
County
MIDLAND
District
8
Completed
2024-10-03

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
4,560