← Wells

42-173-38041

Directional

CALVERLEY 9

GLASSCOCK County · District 10 · COG OPERATING LLC

Permits

1

Max Depth

13,000 ft

First Permit

2018-11-20

Latest Activity

2018-11-20

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
✓ 42-173-36370 SHELBY SWD · AQUA TERRA PERMIAN, LLC
0.1 mi
Yates 2,130'Queen 2,778'San Andres 3,380'Spraberry 6,419'Santa Rosa —Rustler —Grayburg —Clear Fork —Wichita-Albany —Seven Rivers —Glorieta —
✓ 42-173-38205 SHELBY SWD · AQUA TERRA PERMIAN, LLC
0.5 mi
Santa Rosa 1,000'Yates 2,175'Seven Rivers 2,325'Grayburg 3,485'San Andres 3,715'Queen 4,370'Glorieta 5,750'Clear Fork 6,875'Spraberry 7,390'Wichita-Albany 7,800'
✓ 42-173-38735 BIGBY SOUTH A 10-15 · PIONEER NATURAL RES. USA, INC.
0.5 mi
Santa Rosa 806'Rustler 1,358'Yates 2,194'Seven Rivers 2,454'Queen 3,091'Grayburg 3,556'San Andres 3,727'Clear Fork 5,692'Spraberry 6,819'Glorieta —
✓ 42-173-38737 BIGBY SOUTH B 10-15 · PIONEER NATURAL RES. USA, INC.
0.5 mi
Santa Rosa 806'Rustler 1,351'Yates 2,199'Seven Rivers 2,459'Queen 3,094'Grayburg 3,559'San Andres 3,735'Clear Fork 5,670'Spraberry 6,815'Glorieta —
✓ 42-173-38736 BIGBY SOUTH A 10-15 · PIONEER NATURAL RES. USA, INC.
0.5 mi
Santa Rosa 806'Rustler 1,355'Yates 2,199'Seven Rivers 2,456'Queen 3,100'Grayburg 3,563'San Andres 3,739'Clear Fork 5,684'Spraberry 6,814'Glorieta —
✓ 42-173-38739 BIGBY SOUTH D 10-15 · PIONEER NATURAL RES. USA, INC.
0.5 mi
Santa Rosa 806'Rustler 1,372'Yates 2,193'Seven Rivers 2,449'Queen 3,092'Grayburg 3,550'San Andres 3,724'Clear Fork 5,680'Spraberry 6,817'Glorieta —
✓ 42-173-38726 LANCE 9-4 E · DIAMONDBACK E&P LLC
0.5 mi
Yates 2,230'Seven Rivers 2,382'Queen 2,750'Grayburg 3,327'San Andres 3,834'Glorieta 4,894'Clear Fork 6,226'Spraberry 6,880'Santa Rosa —Rustler —
✓ 42-173-38725 LANCE 9-4 G · DIAMONDBACK E&P LLC
0.5 mi
Yates 2,237'Seven Rivers 2,379'Queen 2,735'Grayburg 3,323'San Andres 3,748'Glorieta 4,849'Clear Fork 6,229'Spraberry 6,870'Santa Rosa —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 (1)

#846992 Drill

CALVERLEY 9 · 13,000 ft

2018-11-20

Applications (1)

#846992 A COG OPERATING LLC
received 2018-11-19

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 31.803733
Lon -101.726752

Well Details

Well Number
1SW
Max Depth
13,000 ft
Drill Type
Directional
County
GLASSCOCK
District
10
Operator
COG OPERATING LLC

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