42-461-42975

PRODUCING Horizontal

DRILLY IDOL A4

UPTON County · District 7 · COG OPERATING LLC · SPRABERRY (TREND AREA)

Permits

1

Max Depth

12,000 ft

First Permit

2025-01-24

Latest Activity

2025-01-24

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2026-01-20

Shut-In

Plugged

P-5 Org Status: X

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2025-05

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 (14) Elevation 2,667 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,326 ft+341 ft
YATES 2,327 ft+340 ft
GRAYBURG 4,384 ft-1,717 ft
GRAYBURG 4,399 ft-1,732 ft
SAN ANDRES - SALTWATER FLOW (San Andres)4,497 ft-1,830 ft
SAN ANDRES - SALTWATER FLOW (San Andres)4,521 ft-1,854 ft
SPRABERRY 7,954 ft-5,287 ft
SPRABERRY 7,956 ft-5,289 ft
WOLFCAMP 9,181 ft-6,514 ft
WOLFCAMP 9,187 ft-6,520 ft
DEVONIAN
ELLENBURGER
FUSSELMAN
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
42-461-42973 DRILLY IDOL A1 · COG OPERATING LLC
0.0 mi
Yates 2,326'Yates 2,332'Grayburg 4,399'Grayburg 4,408'San Andres 4,506'San Andres 4,526'Spraberry 7,961'Spraberry 7,964'Fusselman Ellenburger Devonian Wolfcamp +1 more
42-461-42977 DRILLY IDOL A3 · COG OPERATING LLC
0.0 mi
Yates 2,326'Yates 2,327'Grayburg 4,387'Grayburg 4,399'San Andres 4,498'San Andres 4,528'Spraberry 7,282'Spraberry 7,291'Wolfcamp Fusselman Ellenburger Strawn +1 more
42-461-42974 DRILLY IDOL A2 · COG OPERATING LLC
0.0 mi
Yates 2,326'Yates 2,327'Grayburg 4,398'Grayburg 4,405'San Andres 4,505'San Andres 4,528'Spraberry 7,969'Spraberry 7,971'Wolfcamp 8,761'Devonian Strawn Ellenburger +2 more
42-461-42976 DRILLY IDOL A5 · COG OPERATING LLC
0.0 mi
Yates 2,326'Yates 2,328'Grayburg 4,377'Grayburg 4,389'San Andres 4,485'San Andres 4,523'Spraberry 7,285'Spraberry 7,957'Fusselman Ellenburger Devonian Wolfcamp +1 more
42-461-42978 DRILLY IDOL A6 · COG OPERATING LLC
0.0 mi
Yates 2,326'Yates 2,329'Grayburg 4,380'Grayburg 4,391'San Andres 4,485'San Andres 4,527'Spraberry 7,958'Spraberry 7,967'Wolfcamp 8,758'Wolfcamp 8,763'Fusselman Strawn +2 more
42-461-42989 DRILLY IDOL A7 · COG OPERATING LLC
0.0 mi
Yates 2,327'Yates 2,331'Grayburg 4,356'Grayburg 4,361'San Andres 4,473'San Andres 4,493'Spraberry 7,268'Spraberry 7,282'Ellenburger Wolfcamp Fusselman Strawn +1 more
42-461-42990 DRILLY IDOL A8 · COG OPERATING LLC
0.0 mi
Yates 2,327'Yates 2,332'Grayburg 4,354'Grayburg 4,359'San Andres 4,467'San Andres 4,488'Spraberry 7,956'Spraberry 7,962'Wolfcamp 9,194'Fusselman Ellenburger Devonian +2 more
42-461-40368 HASEL28 UNIT · COG OPERATING LLC
0.1 mi
Yates 2,300'Yates 2,404'Grayburg 4,100'San Andres 4,440'Grayburg 4,490'San Andres 4,685'Spraberry 7,015'Spraberry 7,355'Wolfcamp 8,110'Wolfcamp 8,775'Strawn Devonian +2 more

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
9,585–19,735 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,028 ft875 sx
9.625"8,674 ft1,030 sx
5.5"19,831 ft3,150 sx

Permit History (1)

Applications (1)

#903334 A COG OPERATING LLC
received 2024-10-17

Records & Logs

2 completion filings on record · 1 with log images at RRC.

W-2/G-1 2026-02-04
W-2/G-1 2025-08-07 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.

Lat 31.342245
Lon -101.986066

Well Details

Well Number
5511BH
Max Depth
12,000 ft
Drill Type
Horizontal
County
UPTON
District
7
Completed
2026-01-20

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
4,559