42-417-07831

Final Completion

DEAN BROS.

SHACKELFORD County · District 7 · SCHKADE, DONALD

Permits

Max Depth

1,350 ft

First Permit

2006-02-23

Latest Activity

2008-03-07

Lifespan

2 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

W-14 Disposal Active UIC #000097881 permitted 2007-08-09

Permitted Volume

500 bbl/d

Max Pressure

395 psi

Injection Interval

790–840 ft

Injected (12mo)

4,769 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-06-01)

Operator History

Chain of Custody

SCHKADE, DONALD 2003-2011→ SCHKADE, PATRICIA 2011-2013→ RATTLESNAKE MOUNTAIN OIL LLC 2013-2022

Lease Production

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

Oil

production & DCA →

Formation Tops (4) Elevation 1,400 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
UPPER & LOWER TANNIHILL	360 ft	+1,040 ft
COOK SAND	600 ft	+800 ft
BRECKENRIDGE LIME	740 ft	+660 ft
KING SAND	790 ft	+610 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
800–820 ft	Perforated

Casing (2)

Size	Set Depth	Cement
10.75"	203 ft	200 sx
5.5"	948 ft	250 sx

Permit History (2)

#656248 Reenter Final Completion

DEAN BROS. · 1,350 ft

2008-03-07

Spud 2008-12-08

#614483 Reenter

DEAN BROS. · 1,350 ft

2006-02-23

Applications (2)

#656248 A SCHKADE, DONALD

received 2008-02-27

#614483 A SCHKADE, DONALD

received 2006-02-17

Records & Logs

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

W-2/G-1 2009-02-17 log on file

W-2/G-1 2009-03-17

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images 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 SHACKELFORD County.

Well Details

Well Number: 2
Max Depth: 1,350 ft
Drill Type: Vertical
County: SHACKELFORD
District: 7
Operator: SCHKADE, DONALD

Operator

Name: SCHKADE, DONALD
Location: ALBANY
P-5 Status: Inactive (filed 2010-04-13)
Cum Oil (all leases): 71,703 bbl
Cum Gas (all leases): — mcf
Total Permits: 4