42-371-33674

LONGFELLOW 600 4

PECOS County · District 8 · RIATA ENERGY, INC.

Permits

Max Depth

10,000 ft

First Permit

1981-12-03

Latest Activity

1998-06-22

Lifespan

17 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

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.

Gas

production & DCA →

Formation Tops (5) Elevation 4,151 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
WOLFCAMP	1,640 ft	+2,511 ft
DIMPLE	3,670 ft	+481 ft
TESNUS	3,894 ft	+257 ft
CABALLOS	4,944 ft	-793 ft
TESNUS	5,164 ft	-1,013 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
3,672–3,774 ft	Perforated
5,166–5,312 ft	Perforated

Casing (5)

Size	Set Depth	Cement
13.375"	1,369 ft	1,835 sx
13.375"	1,400 ft	183 sx
2.875"	3,515 ft	—
9.625"	4,157 ft	675 sx
9.625"	4,161 ft	675 sx

Permit History (2)

#477335 Recompletion

LONGFELLOW 600 4 · 6,200 ft

1998-06-22

#143056 Drill Final Completion

GREEN, J. A. · 10,000 ft

1981-12-03

Spud 1981-12-16

Applications (2)

#477335 A RIATA ENERGY, INC.

received 1998-06-22

#143056 A TENNECO OIL CO.

received 1981-12-03

Records & Logs

2 completion filings on record.

W-2/G-1 1995-03-29

W-2/G-1 1982-12-21

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 PECOS County.

Well Details

Well Number: 1
Max Depth: 10,000 ft
Drill Type: Vertical
County: PECOS
District: 8
Operator: RIATA ENERGY, INC.

Operator

Name: RIATA ENGY, INC
Location: OKLAHOMA CI, TY
P-5 Status: Delinquent (filed 2006-08-21)
Cum Oil (all leases): 916,339 bbl
Cum Gas (all leases): 282,157,564 mcf
Total Permits: 588