← Wells

42-389-36255

Horizontal

BRASS MONKEY STATE UNIT

REEVES County · District 10 · COG OPERATING LLC

Permits

1

Max Depth

10,800 ft

First Permit

2017-08-09

Latest Activity

2017-08-09

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
✓ 42-389-36165 BRASS MONKEY STATE UNIT · COG OPERATING LLC
0.1 mi
Delaware 2,500'Castile 2,800'Delaware 4,953'Bell Canyon 4,996'Cherry Canyon 5,911'Delaware 6,500'Bone Spring 8,107'Wolfcamp 10,647'Permian (undifferentiated) —Pennsylvanian —
✓ 42-389-36426 SURE SHOT · COG OPERATING LLC
0.3 mi
Delaware 2,500'Delaware 2,500'Castile 2,800'Cherry Canyon 3,800'Bell Canyon 4,800'Delaware 6,500'Bone Spring 7,500'Wolfcamp 10,000'Pennsylvanian 11,000'Permian (undifferentiated) 11,300'
✓ 42-389-36425 SURE SHOT · COG OPERATING LLC
0.3 mi
Delaware 2,500'Delaware 2,500'Castile 2,800'Cherry Canyon 3,800'Bell Canyon 4,800'Delaware 6,500'Bone Spring 7,500'Wolfcamp 10,000'Pennsylvanian 11,000'Permian (undifferentiated) 11,300'
✓ 42-389-36424 SURE SHOT · COG OPERATING LLC
0.3 mi
Delaware 2,500'Castile 2,800'Delaware 4,915'Bell Canyon 4,954'Cherry Canyon 5,897'Delaware 6,500'Bone Spring 8,084'Wolfcamp 10,620'Pennsylvanian 11,000'Permian (undifferentiated) 11,300'
✓ 42-389-35220 SURE SHOT · COG OPERATING LLC
0.5 mi
Delaware 2,500'Castile 2,800'Delaware 4,942'Bell Canyon 4,985'Cherry Canyon 5,899'Delaware 6,500'Bone Spring 8,095'Wolfcamp 10,655'Permian (undifferentiated) —Pennsylvanian —
✓ 42-389-36438 THE SPHINX · COG OPERATING LLC
0.7 mi
Delaware 2,500'Castile 2,800'Delaware 4,935'Bell Canyon 4,974'Cherry Canyon 5,899'Delaware 6,500'Bone Spring 8,093'Permian (undifferentiated) —Pennsylvanian —Wolfcamp —
✓ 42-389-36440 THE SPHINX · COG OPERATING LLC
0.7 mi
Delaware 2,500'Castile 2,800'Delaware 4,935'Bell Canyon 4,974'Cherry Canyon 5,899'Delaware 6,500'Bone Spring 8,093'Wolfcamp 10,633'Pennsylvanian —Permian (undifferentiated) —
✓ 42-389-36439 THE SPHINX · COG OPERATING LLC
0.7 mi
Delaware 2,500'Castile 2,800'Delaware 4,940'Bell Canyon 4,979'Cherry Canyon 5,904'Delaware 6,500'Bone Spring 8,098'Pennsylvanian —Permian (undifferentiated) —Wolfcamp —

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)

#829610 Drill

BRASS MONKEY STATE UNIT · 10,800 ft

2017-08-09

Applications (1)

#829610 A COG OPERATING LLC
received 2017-08-07

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 and the UL library can't be deep-linked — clicking copies the API for you to paste.

Google Maps → Explorer Map →
Lat 31.389062
Lon -103.384320

Well Details

Well Number
851HR
Max Depth
10,800 ft
Drill Type
Horizontal
County
REEVES
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
4,547