42-371-35664

Final Completion

DOWNIE RANCH

PECOS County · District 8 · SANDRIDGE ENERGY INC. · THISTLE (CABALLOS NOVACULITE FB2

Permits

Max Depth

3,713 ft

First Permit

1985-11-21

Latest Activity

2019-10-09

Lifespan

34 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2008-06-06

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: SANDRIDGE ENERGY INC. ≠ Production: LONGFELLOW ENERGY, LP (reported 2026-04)

EWA / Permit operator mismatch

Scheduling: SANDRIDGE ENERGY INC. ≠ Permit: OCCIDENTAL W TX OVERTHRUST, INC.

Resolved via: production → LONGFELLOW ENERGY, LP

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

PECOS County disposal market →

H-1 Injection Active UIC #000061581 permitted 1986-10-22

Permitted Volume

—

Max Pressure

—

Injection Interval

2,914–3,550 ft

Injected (12mo)

49,748 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-05-01)

Seismicity: no M2+ earthquakes recorded within 10 km in the last 24 months · TexNet catalog

Operator History

Chain of Custody

SHELL WESTERN E&P INC. 1993-1993→ SANDRIDGE ENERGY, INC. 2008-2009→ 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 (4) Elevation 3,229 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
BASE CRETACEOUS (Base Cretaceous (marker))	587 ft	+2,642 ft
CABALLOS	2,796 ft	+433 ft
ORDOVICIAN	3,550 ft	-321 ft
ORDOVIVIAN	3,550 ft	-321 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)

Interval	Type
3,087–3,550 ft	Perforated

Casing (3)

Size	Set Depth	Cement
20"	40 ft	—
9.625"	910 ft	400 sx
7"	3,712 ft	700 sx

Permit History (2)

#857732 Recompletion Final Completion

DOWNIE RANCH · 3,713 ft

2019-10-09

Spud 1985-12-19

#290940 Drill U

DOWNIE RANCH · 3,700 ft

1985-11-21

Spud 1985-12-21

Applications (2)

#857732 A OCCIDENTAL W TX OVERTHRUST, INC.

received 2019-10-03

#290940 A SHELL WESTERN E&P INC.

received 1985-10-22

Records & Logs

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

W-2/G-1 2013-03-13

W-2/G-1 2019-08-12

W-2/G-1 2013-03-13

W-2/G-1 1987-08-07

W-2/G-1 1986-05-12 log on file

+2 more filings

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.

Google Maps → Explorer Map →

Lat 30.457245

Lon -102.498548

Well Details

Well Number: 406
Max Depth: 3,713 ft
Drill Type: Vertical
County: PECOS
District: 8
Operator: SANDRIDGE ENERGY INC.
Completed: 2008-06-06

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