42-371-32812

Final Completion

LONGFELLOW "XX"

PECOS County · District 8 · RIATA ENERGY, INC.

Permits

Max Depth

9,000 ft

First Permit

1979-07-13

Latest Activity

2000-11-29

Lifespan

21 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

1979-09-02

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2001-03

Last Production

2026-07

Operator History

Chain of Custody

RIATA ENERGY, INC. 2001-2006→ SANDRIDGE ENERGY, INC. 2006-2009→ SANDRIDGE EXPL. AND PROD., LLC 2009-2016→ OCCIDENTAL W TX OVERTHRUST, INC. 2016-2021→ LONGFELLOW ENERGY, LP 2022-2024

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 (3) Elevation 4,213 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
LEONARD	1,556 ft	+2,657 ft
WOLFCAMP	2,900 ft	+1,313 ft
TESNUS	7,580 ft	-3,367 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 (5)

Interval	Type
7,582–7,600 ft	Perforated
7,802–7,812 ft	Perforated
7,816–7,831 ft	Perforated
7,866–7,876 ft	Perforated
8,045–8,060 ft	Perforated

Casing (3)

Size	Set Depth	Cement
10.75"	1,453 ft	2,000 sx
7.625"	4,300 ft	1,700 sx
4.5"	8,315 ft	330 sx

Permit History (3)

#502442 Reenter Final Completion

LONGFELLOW "XX" · 9,000 ft

2000-11-29

Spud 2000-12-01

#450618 Reenter

ALLISON, J. E "1" · 1,440 ft

1996-11-01

#52788 Drill Plug Dry Hole (P&A)

ALLISON, J. E. "1" · 8,315 ft

1979-07-13

Spud 1979-07-22

Applications (3)

#502442 A RIATA ENERGY, INC.

received 2000-11-29

#450618 A RIATA ENERGY, INC.

received 1996-07-22

#52788 A HNG OIL COMPANY

received 1979-07-13

Records & Logs

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

W-2/G-1 2001-04-09 log on file

W-2/G-1 2001-06-06

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: 101
Max Depth: 9,000 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