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42-371-37455

PRODUCING

ALLISON 2

PECOS County · District 8 · LONGFELLOW ENERGY LP · PINON (OVERTHRUST)

Permits

1

Max Depth

10,500 ft

First Permit

2004-09-23

Latest Activity

2004-09-23

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2005-10-22

Shut-In

—

Plugged

—

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: LONGFELLOW ENERGY LP ≠ Permit: RIATA ENERGY, INC.

Resolved via: scheduling → LONGFELLOW ENERGY LP

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2005-10

Last Production

2026-07

Operator History

Chain of Custody

RIATA ENERGY, INC. 2005-2006→ SANDRIDGE ENERGY, INC. 2006-2009→ SANDRIDGE EXPL. AND PROD., LLC 2009-2016→ OCCIDENTAL W TX OVERTHRUST, INC. 2016-2021→ LONGFELLOW ENERGY, LP 2022-2026

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 (4) Elevation 4,343 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
T/TESNUS2,340 ft+2,003 ft
B/TESNUS3,040 ft+1,303 ft
T/TESNUS 24,580 ft-237 ft
B/TESNUS 25,400 ft-1,057 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 (1)

IntervalType
2,500–2,822 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,395 ft1,830 sx
9.625"3,366 ft1,030 sx
7"6,231 ft80 sx

Permit History (1)

#551231 Drill Final Completion

ALLISON · 10,500 ft

2004-09-23

Spud 2005-03-20

Applications (1)

#551231 A RIATA ENERGY, INC.
received 2004-09-20

Records & Logs

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

W-2/G-1 2006-04-19 log on file
W-2/G-1 2006-05-01
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
1305
Max Depth
10,500 ft
Drill Type
Vertical
County
PECOS
District
8
Operator
LONGFELLOW ENERGY LP
Completed
2005-10-22

Operator

Location
DALLAS
P-5 Status
X (filed 2026-03-26)
Cum Oil (all leases)
402,477 bbl
Cum Gas (all leases)
35,171,464 mcf
Activities
GTHS/G, OPRS/G, OPRS/O
Total Permits
36