42-371-36906

Final Completion

LONGFELLOW

PECOS County · District 8 · SANDRIDGE ENERGY INC. · BITTERWEED S. (CABALLOS)

Permits

Max Depth

9,000 ft

First Permit

1999-03-31

Latest Activity

2002-10-28

Lifespan

4 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1999-10-22

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: SANDRIDGE ENERGY INC. ≠ Production: LONGFELLOW ENERGY, LP (reported 2025-06)

EWA / Permit operator mismatch

Scheduling: SANDRIDGE ENERGY INC. ≠ Permit: RIATA ENERGY, INC.

Resolved via: scheduling → SANDRIDGE ENERGY INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1999-10

Last Production

2026-07

Operator History

Chain of Custody

RIATA ENERGY, INC. 1999-2006→ SANDRIDGE ENERGY, INC. 2006-2009→ SANDRIDGE EXPL. AND PROD., LLC 2009-2016→ OCCIDENTAL W TX OVERTHRUST, INC. 2016-2021→ LONGFELLOW ENERGY, LP 2022-2025

Lease Production

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

Formation Tops (8) Elevation 4,113 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
BASE CRETACEOUS (Base Cretaceous (marker))	2,088 ft	+2,025 ft
TOP MARATHONS	2,608 ft	+1,505 ft
TOP, MARATHONS	2,608 ft	+1,505 ft
DIMPLE	2,768 ft	+1,345 ft
TESNUS	3,120 ft	+993 ft
CABALLOS	4,587 ft	-474 ft
2ND CABALLOS	6,690 ft	-2,577 ft
CABALLOS	6,690 ft	-2,577 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
3,452–3,568 ft	Perforated
3,716–3,751 ft	Perforated
4,073–4,116 ft	Perforated
4,626–4,860 ft	Perforated

Casing (3)

Size	Set Depth	Cement
9.625"	1,309 ft	370 sx
9.625"	1,309 ft	370 sx
7"	5,016 ft	360 sx

Permit History (2)

#525010 Recompletion Final Completion

LONGFELLOW · 8,150 ft

2002-10-28

Spud 2002-05-22

#483628 Drill Final Completion

LONGFELLOW · 9,000 ft

1999-03-31

Spud 1999-05-19

Applications (2)

#525010 A RIATA ENERGY, INC.

received 2002-10-28

#483628 A RIATA ENERGY, INC.

received 1999-03-31

Records & Logs

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

W-2/G-1 2007-06-27

W-2/G-1 2002-07-22 log on file

W-2/G-1 2002-11-13

W-2/G-1 1999-11-08 log on file

W-2/G-1 1999-12-08

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: 4010
Max Depth: 9,000 ft
Drill Type: Vertical
County: PECOS
District: 8
Operator: SANDRIDGE ENERGY INC.
Completed: 1999-10-22

Operator

Name: SANDRIDGE ENGY, INC
Location: OKLAHOMA CI, TY
P-5 Status: Inactive (filed 2008-09-19)
Cum Oil (all leases): 186,349 bbl
Cum Gas (all leases): 230,778,023 mcf
Total Permits: 698