42-435-33747

Final Completion

MAYFIELD 40

SUTTON County · District 7 · AMERICAN EXPLORATION COMPANY · SAWYER (STRAWN)

RRC Lookup

Permits

Max Depth

8,700 ft

First Permit

1991-02-28

Latest Activity

1991-06-14

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1991-04-19

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: AMERICAN EXPLORATION COMPANY ≠ Production: UPP OPERATING, LLC (reported 2025-12)

Resolved via: production → UPP OPERATING, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-03

Operator History

Chain of Custody

AMERICAN EXPLORATION COMPANY 1993-1995→ DREYFUS, LOUIS NATURAL GAS CORP 1995-2001→ DOMINION OKLAHOMA TEXAS E&P, INC 2001-2007→ HIGHMOUNT EXPL & PROD TEXAS LLC 2008-2014→ ENERVEST OPERATING, L.L.C. 2014-2019→ UPP OPERATING, LLC 2019-2025

Lease Production

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

Permit History (3)

#388840 Recompletion Final Completion

MAYFIELD 40 · 8,700 ft

1991-06-14

Spud 1991-05-15

#385120 Drill Final Completion

MAYFIELD 40 · 8,700 ft

1991-02-28

Spud 1991-03-28

#385120 Drill

MAYFIELD 40 · 8,700 ft

1991-02-28

Permit Applications (3)

#388840 A AMERICAN EXPLORATION COMPANY

received 1991-06-10

#385120 A AMERICAN EXPLORATION COMPANY

received 1991-05-06

#385120 A AMERICAN EXPLORATION COMPANY

received 1991-02-26

Well Details

Well Number: 4
Max Depth: 8,700 ft
Drill Type: Vertical
County: SUTTON
District: 7
Operator: AMERICAN EXPLORATION COMPANY
Completed: 1991-04-19

Operator

Name: AMERICAN EXPL CO
Location: HOUSTON
P-5 Status: Y (filed 1997-08-01)
Cum Oil (all leases): 5,371,670 bbl
Cum Gas (all leases): 107,561,692 mcf
Total Permits: 575

External Links

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