42-371-36779

PRODUCING

LONGFELLOW

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

Permits

2

Max Depth

9,000 ft

First Permit

1997-11-03

Latest Activity

1997-11-03

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1998-12-17

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

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

Resolved via: productionLONGFELLOW ENERGY, LP

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1998-12

Last Production

2026-07

Lease Production

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

Formation Tops (4) Elevation 4,190 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
DIMPLE LIMESTONE6,102 ft-1,912 ft
1ST CABALLOS6,330 ft-2,140 ft
2ND CABALLOS6,702 ft-2,512 ft
3RD CABALLOS7,834 ft-3,644 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
6,760–7,364 ftPerforated

Casing (3)

SizeSet DepthCement
9.625"1,312 ft270 sx
7"5,528 ft250 sx
4.5"7,467 ft250 sx

Permit History (2)

Applications (2)

#469239 A RIATA ENERGY, INC.
received 1998-10-13
#469239 A RIATA ENERGY, INC.
received 1997-10-24

Records & Logs

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

W-2/G-1 1998-12-31 log on file
W-2/G-1 1999-02-10
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
8
Max Depth
9,000 ft
Drill Type
Vertical
County
PECOS
District
8
Completed
1998-12-17

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