42-173-37922

Horizontal

CALVERLEY 22-27

GLASSCOCK County · District 10 · COG OPERATING LLC

Permits

Max Depth

12,000 ft

First Permit

2018-07-11

Latest Activity

2018-07-11

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Formation Tops

No tops on file for this well. Formation tops come from W-2/G-1 completion filings — this well has none yet, which is normal for permits that were never drilled, dry holes plugged without a filing, or wells completed before digital records. The nearest completed wells below show what to expect at this location.

Check this well's filings at RRC ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported — this well has no filings of its own yet.

Cross-section

✓ 42-173-37919 CALVERLEY 22-27 · RSP PERMIAN, LLC

0.1 mi

Santa Rosa 603'Yates 2,147'Seven Rivers 2,342'Queen 3,133'Grayburg 4,040'San Andres 4,260'Glorieta 4,578'Clear Fork 5,714'Spraberry 6,791'Wichita-Albany 7,029'

✓ 42-173-37918 CALVERLEY 22-27 · RSP PERMIAN, LLC

0.1 mi

Santa Rosa 620'Spraberry 671'Yates 2,129'Seven Rivers 2,341'Queen 2,342'Glorieta 3,165'Grayburg 4,040'San Andres 4,260'Clear Fork 5,714'Wichita-Albany 7,761'

✓ 42-173-37921 CALVERLEY 22-27 · RSP PERMIAN, LLC

0.2 mi

Santa Rosa 528'Yates 2,149'Seven Rivers 2,366'Queen 2,745'Grayburg 3,519'San Andres 3,828'Glorieta 4,618'Clear Fork 5,271'Spraberry 6,748'Wichita-Albany —

✓ 42-173-38743 BIGBY WEST G 10-3 · PIONEER NATURAL RES. USA, INC.

0.2 mi

Santa Rosa 825'Rustler 1,359'Yates 2,172'Seven Rivers 2,423'Queen 3,075'Grayburg 3,501'San Andres 3,675'Clear Fork 5,667'Spraberry 6,789'Glorieta —

✓ 42-173-38742 BIGBY WEST F 10-3 · PIONEER NATURAL RES. USA, INC.

0.2 mi

Santa Rosa 825'Rustler 1,359'Yates 2,170'Seven Rivers 2,424'Queen 3,074'Grayburg 3,503'San Andres 3,672'Clear Fork 5,664'Spraberry 6,793'Glorieta —

✓ 42-173-37920 CALVERLEY 22-27 · RSP PERMIAN, LLC

0.2 mi

Santa Rosa 624'Yates 2,143'Seven Rivers 2,355'Queen 3,365'Grayburg 4,208'San Andres 4,377'Glorieta 4,610'Clear Fork 5,703'Spraberry 6,798'Wichita-Albany —

✓ 42-173-38741 BIGBY WEST F 10-3 · PIONEER NATURAL RES. USA, INC.

0.2 mi

Santa Rosa 825'Rustler 1,346'Yates 2,168'Seven Rivers 2,426'Queen 3,075'Grayburg 3,507'San Andres 3,677'Clear Fork 5,670'Spraberry 6,793'Glorieta —

✓ 42-173-38893 BIGBY-TXL E15 D · PIONEER NATURAL RES. USA, INC.

0.2 mi

Santa Rosa 853'Yates 2,161'Seven Rivers 2,445'Queen 3,078'Grayburg 3,517'San Andres 3,692'Clear Fork 5,637'Spraberry 6,790'Glorieta —Rustler —

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).

Permit History (2)

#841000 Drill

CALVERLEY 22-27 · 12,000 ft

2018-07-11

#841000 Drill

CALVERLEY 22-27 · 12,000 ft

2018-07-11

Applications (2)

#841000 A COG OPERATING LLC

received 2018-07-21

#841000 A RSP PERMIAN, LLC

received 2018-06-08

Records & Logs

No W-2/G-1 filings on record in the RRC wellbore file for this well.

Completion packets + logs ↗ Wellbore filings ↗

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.

Google Maps → Explorer Map →

Lat 31.786781

Lon -101.702167

Well Details

Well Number: 601H
Max Depth: 12,000 ft
Drill Type: Horizontal
County: GLASSCOCK
District: 10
Operator: COG OPERATING LLC

Operator

Name: COG OPER LLC
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