42-461-42973

PRODUCING Horizontal

DRILLY IDOL A1

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

2026-01-30

Shut-In

Plugged

P-5 Org Status: X

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2025-04

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 (13) Elevation 2,667 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,326 ft+341 ft
YATES 2,332 ft+335 ft
GRAYBURG 4,399 ft-1,732 ft
GRAYBURG 4,408 ft-1,741 ft
SAN ANDRES - SALTWATER FLOW (San Andres)4,506 ft-1,839 ft
SAN ANDRES - SALTWATER FLOW (San Andres)4,526 ft-1,859 ft
SPRABERRY 7,961 ft-5,294 ft
SPRABERRY 7,964 ft-5,297 ft
DEVONIAN
ELLENBURGER
FUSSELMAN
STRAWN
WOLFCAMP

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
42-461-42975 DRILLY IDOL A4 · COG OPERATING LLC
0.0 mi
Yates 2,326'Yates 2,327'Grayburg 4,384'Grayburg 4,399'San Andres 4,497'San Andres 4,521'Spraberry 7,954'Spraberry 7,956'Wolfcamp 9,181'Wolfcamp 9,187'Devonian Fusselman +2 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'Wolfcamp Fusselman Ellenburger +2 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'Strawn Ellenburger Devonian Wolfcamp +1 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
8,717–19,381 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,028 ft875 sx
9.625"5,376 ft1,340 sx
5.5"19,479 ft2,565 sx

Permit History (1)

Applications (1)

#903318 A COG OPERATING LLC
received 2024-10-16

Records & Logs

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

W-2/G-1 2026-02-04
W-2/G-1 2025-08-02 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 31.342231
Lon -101.986128

Well Details

Well Number
5501LH
Max Depth
12,000 ft
Drill Type
Horizontal
County
UPTON
District
7
Completed
2026-01-30

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