42-329-44614

PRODUCING Horizontal

TXL HOLZGRAF Z1

MIDLAND County · District 7 · COG OPERATING LLC · PEGASUS (CONSOLIDATED)

Permits

1

Max Depth

12,000 ft

First Permit

2021-01-20

Latest Activity

2021-01-20

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2021-07-25

Shut-In

Plugged

P-5 Org Status: X

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2021-07

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 2,888 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 867 ft+2,021 ft
RUSTLER 1,722 ft+1,166 ft
YATES 2,816 ft+72 ft
SEVEN RIVERS 3,000 ft-112 ft
QUEEN 3,720 ft-832 ft
GRAYBURG 4,000 ft-1,112 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,781 ft-1,893 ft
GLORIETA 5,428 ft-2,540 ft
CLEARFORK (Clear Fork)7,045 ft-4,157 ft
SPRABERRY 8,381 ft-5,493 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
42-329-44615 TXL HOLZGRAF Z2 · COG OPERATING LLC
0.0 mi
Santa Rosa 1,140'Rustler 2,002'Yates 3,122'Seven Rivers 3,382'Queen 4,058'Grayburg 4,483'San Andres 5,086'Glorieta 5,771'Clear Fork 7,293'Spraberry 8,070'
42-329-44613 TXL HOLZGRAF Z3 · COG OPERATING LLC
0.2 mi
Santa Rosa 1,140'Rustler 2,002'Yates 3,122'Seven Rivers 3,382'Queen 4,058'Grayburg 4,483'San Andres 5,086'Glorieta 5,771'Clear Fork 7,293'Spraberry 8,070'
42-329-44612 TXL HOLZGRAF Z4 · COG OPERATING LLC
0.2 mi
Santa Rosa 1,140'Rustler 2,002'Yates 3,122'Seven Rivers 3,382'Queen 4,058'Grayburg 4,483'San Andres 5,086'Glorieta 5,771'Clear Fork 7,293'Spraberry 8,070'
42-329-44611 TXL HOLZGRAF Z5 · COG OPERATING LLC
0.2 mi
Santa Rosa 1,140'Rustler 2,002'Yates 3,122'Seven Rivers 3,382'Queen 4,058'Grayburg 4,483'San Andres 5,086'Glorieta 5,771'Clear Fork 7,293'Spraberry 8,070'
42-329-43872 PEGASUS FIELD UNIT 3 · COG OPERATING LLC
1.3 mi
Santa Rosa 933'Yates 2,735'Seven Rivers 3,000'Queen 4,002'Grayburg 4,294'San Andres 4,712'Glorieta 5,378'Clear Fork 6,945'Spraberry 8,645'Spraberry 8,967'
42-329-43871 PEGASUS FIELD UNIT 3 · COG OPERATING LLC
1.3 mi
Santa Rosa 933'Yates 2,899'Seven Rivers 3,200'Queen 3,667'Grayburg 4,297'San Andres 4,807'Glorieta 5,421'Clear Fork 6,903'Spraberry 7,688'Spraberry 8,965'Spraberry
42-329-47379 APACHE FLATS SWD · DISCOVERY OPERATING, INC.
1.3 mi
Santa Rosa 218'Rustler 1,748'Yates 2,857'Seven Rivers 3,050'Queen 3,857'Grayburg 4,461'San Andres 4,629'Clear Fork Glorieta Spraberry
42-329-42927 TXL STATE R A1 · COG OPERATING LLC
1.6 mi
Santa Rosa 813'Yates 2,816'Seven Rivers 3,001'Queen 3,765'Grayburg 4,300'San Andres 4,774'Glorieta 5,259'Clear Fork 7,000'Spraberry 7,781'Spraberry 8,719'

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
9,130–19,119 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"459 ft525 sx
9.625"8,239 ft675 sx
5.5"19,227 ft2,360 sx

Permit History (1)

Applications (1)

#867079 A COG OPERATING LLC
received 2021-01-14

Records & Logs

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

W-2/G-1 2021-09-01 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 31.674893
Lon -102.177283

Well Details

Well Number
2317LH
Max Depth
12,000 ft
Drill Type
Horizontal
County
MIDLAND
District
7
Completed
2021-07-25

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
4,541