42-371-37269

Final Completion

WEST RANCH

PECOS County · District 8 · RIATA ENERGY INC. · ALGERITA (OUACHITA CABALLOS)

Permits

Max Depth

11,000 ft

First Permit

2003-04-21

Latest Activity

2003-12-22

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2003-08-05

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: RIATA ENERGY INC. ≠ Production: LONGFELLOW ENERGY, LP (reported 2024-04)

Resolved via: scheduling → RIATA ENERGY INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2003-08

Last Production

2026-07

Operator History

Chain of Custody

RIATA ENERGY, INC. 2003-2006→ 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.

Formation Tops (6) Elevation 4,054 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
BASE CRETACEOUS (Base Cretaceous (marker))	1,820 ft	+2,234 ft
TESNUS 1	2,850 ft	+1,204 ft
TESNUS 2	4,150 ft	-96 ft
CABALLOS 1	5,650 ft	-1,596 ft
DIMPLE	7,330 ft	-3,276 ft
CABALLOS 2	8,100 ft	-4,046 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 (4)

Interval	Type
5,682–6,592 ft	Perforated
7,347–7,440 ft	Perforated
8,301–8,435 ft	Perforated
8,516–8,546 ft	Perforated

Casing (4)

Size	Set Depth	Cement
9.625"	1,336 ft	550 sx
7"	6,778 ft	400 sx
4.5"	8,912 ft	280 sx
7"	—	445 sx

Permit History (2)

#540051 Recompletion Final Completion

WEST RANCH · 8,912 ft

2003-12-22

Spud 2003-05-15

#530753 Drill Final Completion

WEST RANCH · 11,000 ft

2003-04-21

Spud 2003-05-14

Applications (2)

#540051 A RIATA ENERGY, INC.

received 2003-12-22

#530753 A RIATA ENERGY, INC.

received 2003-04-15

Records & Logs

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

W-2/G-1 2003-12-11 log on file

W-2/G-1 2004-03-09

W-2/G-1 2003-08-28 log on file

W-2/G-1 2003-11-14

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: 606
Max Depth: 11,000 ft
Drill Type: Vertical
County: PECOS
District: 8
Operator: RIATA ENERGY INC.
Completed: 2003-08-05

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