← Wells

42-109-33116

PRODUCING Horizontal

GRISSOM

CULBERSON County · District 8 · COG OPERATING LLC · FORD WEST (WOLFCAMP)

Permits

1

Max Depth

9,700 ft

First Permit

2017-07-05

Latest Activity

2017-07-05

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2018-07-08

Shut-In

—

Plugged

—

P-5 Org Status: X

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2018-07

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Gas
production & DCA →

Formation Tops (10) Elevation 3,134 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER 525 ft+2,609 ft
DELAWARE 2,368 ft+766 ft
FORD-DELAWARE (Delaware)2,500 ft+634 ft
CHERRY CANYON 3,302 ft-168 ft
BONE SPRINGS (Bone Spring)6,150 ft-3,016 ft
WOLFCAMP 7,900 ft-4,766 ft
MISSISSIPPIAN 8,900 ft-5,766 ft
ATOKA ——
MORROW ——
STRAWN ——

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
✓ 42-109-33117 GRISSOM · COG OPERATING LLC
0.0 mi
Rustler 524'Delaware 2,367'Delaware 2,500'Cherry Canyon 3,301'Bone Spring 6,052'Mississippian 8,900'Wolfcamp 9,064'Atoka —Morrow —Strawn —
✓ 42-109-33124 GRISSOM · COG OPERATING LLC
0.0 mi
Rustler 528'Delaware 2,375'Delaware 2,600'Cherry Canyon 3,309'Bone Spring 6,060'Mississippian 8,900'Morrow —Atoka —Strawn —Wolfcamp —
✓ 42-109-33125 GRISSOM · COG OPERATING LLC
0.0 mi
Rustler 522'Delaware 2,369'Delaware 2,500'Cherry Canyon 3,600'Bone Spring 6,054'Mississippian 8,900'Wolfcamp 9,066'Atoka 11,600'Morrow 11,800'Strawn 12,800'
✓ 42-109-33505 HAY BLAKE 7/6 · CHEVRON U. S. A. INC.
0.1 mi
Brushy Canyon 4,577'Bone Spring 6,113'Avalon 6,215'Bone Spring 7,002'Bone Spring 7,772'Bone Spring 8,770'Delaware —Rustler —Atoka —Strawn —Cherry Canyon —Delaware — +3 more
✓ 42-109-33504 HAY BLAKE 7/6 · CHEVRON U. S. A. INC.
0.1 mi
Lamar 2,392'Bell Canyon 2,424'Cherry Canyon 3,295'Brushy Canyon 4,569'Bone Spring 6,095'Avalon 6,193'Bone Spring 6,996'Wolfcamp —Morrow —Delaware —Rustler —Atoka — +3 more
✓ 42-109-33503 HAY BLAKE 7/6 · CHEVRON U. S. A. INC.
0.1 mi
Lamar 2,385'Bell Canyon 2,419'Cherry Canyon 3,295'Brushy Canyon 4,572'Bone Spring 6,092'Avalon 6,194'Bone Spring 6,992'Bone Spring 7,764'Bone Spring 8,762'Wolfcamp 9,098'Rustler —Delaware — +4 more
✓ 42-109-33502 HAY BLAKE 7/6 · CHEVRON U. S. A. INC.
0.1 mi
Cherry Canyon 3,291'Brushy Canyon 4,557'Bone Spring 6,093'Avalon 6,186'Avalon 6,186'Bone Spring 6,987'Bone Spring 7,753'Bone Spring 8,752'Delaware —Rustler —Delaware —
✓ 42-109-33501 HAY BLAKE 7/6 · CHEVRON U. S. A. INC.
0.1 mi
Lamar 2,391'Bell Canyon 2,425'Cherry Canyon 3,299'Brushy Canyon 4,548'Bone Spring 6,091'Avalon 6,190'Bone Spring 6,986'Rustler —Delaware —Delaware —

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
9,640–14,087 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"424 ft450 sx
9.625"2,404 ft900 sx
7"8,910 ft600 sx

Permit History (1)

#827093 Drill Final Completion

GRISSOM · 9,700 ft

2017-07-05

Spud 2017-12-04

Applications (1)

#827093 A COG OPERATING LLC
received 2017-05-24

Records & Logs

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

W-2/G-1 2019-01-22 log on file
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 31.969746
Lon -104.105446

Well Details

Well Number
1838H
Max Depth
9,700 ft
Drill Type
Horizontal
County
CULBERSON
District
8
Operator
COG OPERATING LLC
Completed
2018-07-08

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