42-371-35988

PRODUCING

WEST RANCH

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

Permits

Max Depth

8,000 ft

First Permit

1987-09-04

Latest Activity

1992-02-13

Lifespan

4 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

1991-12-16

Shut-In

—

Plugged

—

P-5 Org Status: Active

EWA / Permit operator mismatch

Scheduling: LONGFELLOW ENERGY LP ≠ Permit: EXPLORATION TECHNIQUES, INC.

Resolved via: production → LONGFELLOW ENERGY, LP

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 2022-2026

Lease Production

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

Formation Tops (12) Elevation 4,100 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
WOLFCAMP	1,300 ft	+2,800 ft
TOP MARATHAN	2,090 ft	+2,010 ft
1ST TESNUS	2,260 ft	+1,840 ft
TESNUS I	2,260 ft	+1,840 ft
1ST CABALLOS	3,605 ft	+495 ft
CABALLOS I	3,606 ft	+494 ft
2ND TESNUS	4,091 ft	+9 ft
TESNUS II	4,092 ft	+8 ft
2ND CABALLOS	5,119 ft	-1,019 ft
CABALLOS II	5,120 ft	-1,020 ft
3RD TESNUS	6,310 ft	-2,210 ft
TESNUS III	6,310 ft	-2,210 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 (3)

Interval	Type
5,123–5,262 ft	Perforated
5,451–5,474 ft	Perforated
6,319–6,419 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	1,029 ft	1,100 sx
5.5"	7,000 ft	1,530 sx
5.5"	70,000 ft	1,530 sx

Permit History (2)

#396387 Recompletion Final Completion

LONG FELLOW WEST · 7,000 ft

1992-02-13

Spud 1987-09-13

#335573 Drill U

LONGFELLOW WEST · 8,000 ft

1987-09-04

Spud 1987-09-13

Applications (2)

#396387 A EXPLORATION TECHNIQUES, INC.

received 1992-02-03

#335573 A CITATION OIL & GAS CORP.

received 1987-09-04

Records & Logs

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

W-2/G-1 1992-01-29 log on file

W-2/G-1 1992-03-20

W-2/G-1 1998-07-23 log on file

W-2/G-1 1991-12-10

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: 1
Max Depth: 8,000 ft
Drill Type: Vertical
County: PECOS
District: 8
Operator: LONGFELLOW ENERGY LP
Completed: 1991-12-16

Operator

Name: LONGFELLOW ENGY, LP
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