42-461-42590

PRODUCING Horizontal

SINCLAIR 57 H12

UPTON County · District 7 · COG OPERATING LLC · PEGASUS (CONSOLIDATED)

Permits

2

Max Depth

12,000 ft

First Permit

2023-10-06

Latest Activity

2023-10-06

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-07-12

Shut-In

Plugged

P-5 Org Status: X

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2024-02

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 (10) Elevation 2,845 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,694 ft+151 ft
GRAYBURG 4,745 ft-1,900 ft
SAN ANDRES - SALTWATER FLOW (San Andres)4,800 ft-1,955 ft
SPRABERRY 6,887 ft-4,042 ft
SPRABERRY 7,699 ft-4,854 ft
WOLFCAMP 9,115 ft-6,270 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
42-461-42591 SINCLAIR 57 H13 · COG OPERATING LLC
0.0 mi
Yates 2,691'Grayburg 4,742'San Andres 4,781'Spraberry 6,881'Spraberry 7,702'Wolfcamp 9,115'Strawn Fusselman Devonian Ellenburger
42-461-42578 PEGASUS SPRABERRY UNIT · COG OPERATING LLC
0.0 mi
Yates 2,694'Grayburg 4,745'San Andres 4,797'Spraberry 6,887'Spraberry 7,699'Wolfcamp Ellenburger Fusselman Strawn Devonian
42-461-42588 SINCLAIR 57 H6 · COG OPERATING LLC
0.0 mi
Yates 2,692'Grayburg 4,744'San Andres 4,790'Spraberry 6,885'Spraberry 7,700'Devonian Strawn Ellenburger Fusselman Wolfcamp
42-461-42589 SINCLAIR 57 H7 · COG OPERATING LLC
0.0 mi
Yates 2,690'Grayburg 4,741'San Andres 4,767'Spraberry 6,877'Spraberry 7,702'Wolfcamp Ellenburger Fusselman Strawn Devonian
42-461-42579 PEGASUS SPRABERRY UNIT · COG OPERATING LLC
0.0 mi
Yates 2,689'Grayburg 4,742'San Andres 4,772'Spraberry 6,881'Spraberry 7,702'Wolfcamp Strawn Fusselman Ellenburger Devonian
42-461-40772 PEGASUS SPRABERRY UNIT · COG OPERATING LLC
0.2 mi
Yates 2,685'Grayburg 4,066'San Andres 4,785'Spraberry 7,679'Wolfcamp 9,121'Strawn 10,426'Devonian 11,763'Fusselman 12,485'Ellenburger 13,103'
42-461-42586 SINCLAIR 57 H5 · COG OPERATING LLC
0.3 mi
Yates 2,694'Grayburg 4,741'San Andres 4,801'Spraberry 6,882'Spraberry 7,692'Fusselman Ellenburger Devonian Wolfcamp Strawn
42-461-42577 PEGASUS SPRABERRY UNIT · COG OPERATING LLC
0.3 mi
Yates 2,695'Grayburg 4,742'San Andres 4,799'Spraberry 6,883'Spraberry 7,692'Wolfcamp Ellenburger Devonian Fusselman Strawn

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
9,942–15,034 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"973 ft780 sx
9.625"8,865 ft1,400 sx
5.5"15,133 ft1,840 sx

Permit History (2)

Applications (2)

#894190 A COG OPERATING LLC
received 2025-10-27
#894190 A COG OPERATING LLC
received 2023-09-28

Records & Logs

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

W-2/G-1 2024-12-09
W-2/G-1 2024-06-18 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 31.596494
Lon -102.116961

Well Details

Well Number
606BH
Max Depth
12,000 ft
Drill Type
Horizontal
County
UPTON
District
7
Completed
2024-07-12

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