42-371-34603

Final Completion

LONGFELLOW

PECOS County · District 8 · RIATA ENERGY INC. · PINON (OVERTHRUST)

RRC Lookup

Permits

Max Depth

12,483 ft

First Permit

1983-11-18

Latest Activity

1999-03-26

Lifespan

15 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-08-01

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: RIATA ENERGY INC. ≠ Production: LONGFELLOW ENERGY, LP (reported 2025-06)

Resolved via: scheduling → RIATA ENERGY INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-03

Operator History

Chain of Custody

FINA OIL & CHEMICAL COMPANY 1993-1998→ RIATA ENERGY, INC. 1998-2006→ SANDRIDGE ENERGY, INC. 2006-2009→ SANDRIDGE EXPL. AND PROD., LLC 2009-2016→ OCCIDENTAL W TX OVERTHRUST, INC. 2016-2021→ LONGFELLOW ENERGY, LP 2022-2025

Lease Production

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

Permit History (2)

#483505 Recompletion Final Completion

LONGFELLOW · 12,483 ft

1999-03-26

Spud 2002-01-19

#220970 Drill Final Completion

GREEN, J. A. 4 · 10,000 ft

1983-11-18

Spud 1983-12-08

Permit Applications (3)

#483505 A RIATA ENERGY, INC.

received 1999-03-26

#220970 A TENNECO OIL CO.

received 1985-01-22

#220970 A TENNECO OIL CO.

received 1983-11-01

Well Details

Well Number: 403
Max Depth: 12,483 ft
Drill Type: Vertical
County: PECOS
District: 8
Operator: RIATA ENERGY INC.
Completed: 1984-08-01

Operator

Name: RIATA ENGY, INC
Location: OKLAHOMA CI, TY
P-5 Status: Y (filed 2025-04-04)
Cum Oil (all leases): 916,339 bbl
Cum Gas (all leases): 282,157,564 mcf
Total Permits: 588

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