42-461-31381

AMERICAN REPUBLICS A

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

Permits

Max Depth

10,250 ft

First Permit

1978-11-02

Latest Activity

1984-01-12

Lifespan

5 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-04-30

Shut-In

—

Plugged

2023-12-08

EWA / Permit operator mismatch

Scheduling: COG OPERATING LLC ≠ Permit: MOBIL PRODUCING TX. & N.M. INC.

Resolved via: production → COG OPERATING LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

MOBIL PRODUCING TX. & N.M. INC. 1993-1998→ HENRY PETROLEUM CORP. 1998-2001→ HENRY PETROLEUM LP 2001-2008→ COG OPERATING LLC 2009-2026

Lease Production

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

Formation Tops (3) Elevation 2,831 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SPRABERRY	7,650 ft	-4,819 ft
LOWER SPRABERRY (Spraberry)	8,212 ft	-5,381 ft
WOLFCAMP	9,183 ft	-6,352 ft

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 ↗

Perforations (2)

Interval	Type
7,664–8,593 ft	Perforated
9,196–10,059 ft	Perforated

Casing (5)

Size	Set Depth	Cement
13.375"	477 ft	540 sx
13.375"	477 ft	—
8.625"	4,730 ft	1,950 sx
8.625"	4,730 ft	—
2.375"	9,003 ft	—

Permit History (2)

#226607 Recompletion U

AMERICAN REPUBLICS "A" · 10,250 ft

1984-01-12

#36110 Drill

AMERICAN REPUBLICS A · 10,250 ft

1978-11-02

Spud 1978-11-19

Applications (2)

#226607 A MOBIL PRODUCING TX. & N.M. INC.

received 1984-01-12

#36110 A MOBIL OIL CORPORATION

received 1978-11-02

Records & Logs

3 completion filings on record.

W-2/G-1 1984-05-11

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.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in UPTON County.

Well Details

Well Number: 4
Max Depth: 10,250 ft
Drill Type: Vertical
County: UPTON
District: 7
Operator: COG OPERATING LLC
Completed: 1984-04-30

Operator

Name: COG OPER LLC
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: 4,566