42-461-35783

Final Completion

MARY ELLEN

UPTON County · District 7 · WINDSOR ENERGY GROUP L.L.C. · WILDCAT

Permits

Max Depth

10,493 ft

First Permit

2008-04-11

Latest Activity

2009-03-10

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: WINDSOR ENERGY GROUP L.L.C. ≠ Production: DIAMONDBACK E&P LLC (reported 2015-07)

Resolved via: scheduling → WINDSOR ENERGY GROUP L.L.C.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2008-12

Last Production

2026-07

Operator History

Chain of Custody

WINDSOR ENERGY GROUP, L.L.C. 2009-2010→ WINDSOR PERMIAN LLC 2010-2012→ DIAMONDBACK E&P LLC 2012-2015

Lease Production

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

Formation Tops (1) Elevation 2,667 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SPRABERRY	7,086 ft	-4,419 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
7,375–9,842 ft	Perforated

Casing (2)

Size	Set Depth	Cement
9.625"	560 ft	350 sx
5.5"	9,950 ft	1,210 sx

Permit History (2)

#658409 Drill Final Completion

MARY ELLEN · 9,950 ft

2009-03-10

Spud 2008-10-21

#658409 Drill

MARY ELLEN · 10,493 ft

2008-04-11

Spud 2008-10-21

Applications (2)

#658409 A WINDSOR ENERGY GROUP, L.L.C.

received 2009-03-04

#658409 A WINDSOR ENERGY GROUP, L.L.C.

received 2008-03-28

Records & Logs

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

W-2/G-1 2015-12-15

W-2/G-1 2009-10-15

W-2/G-1 2009-03-31

W-2/G-1 2009-10-15 log on file

W-2/G-1 2009-11-02

W-2/G-1 2009-05-06

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 UPTON County.

Well Details

Well Number: 1
Max Depth: 10,493 ft
Drill Type: Vertical
County: UPTON
District: 7
Operator: WINDSOR ENERGY GROUP L.L.C.

Operator

Name: WINDSOR ENGY GROUP, L.L.C
Location: OKLAHOMA CI, TY
P-5 Status: Inactive (filed 2016-01-12)
Cum Oil (all leases): 836,335 bbl
Cum Gas (all leases): 8,130,696 mcf
Total Permits: 159