42-211-31305

PRODUCING

LEE

HEMPHILL County · District 10 · MAG EXPLORATION LLC · ALLISON PARKS (GRANITE WASH)

Permits

Max Depth

15,600 ft

First Permit

1980-12-30

Latest Activity

2004-11-29

Lifespan

24 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2004-12-26

Shut-In

—

Plugged

—

P-5 Org Status: X

EWA / Production operator mismatch

Scheduling: MAG EXPLORATION LLC ≠ Production: ZEPHYR LONE STAR OPER CO.,L.L.C. (reported 2025-10)

EWA / Permit operator mismatch

Scheduling: MAG EXPLORATION LLC ≠ Permit: ZEPHYR LONE STAR OPER CO.,L.L.C.

Resolved via: scheduling → MAG EXPLORATION LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

SAMSON RESOURCES COMPANY 1993-1995→ SAMSON HYDROCARBONS COMPANY 1995-1996→ SAMSON LONE STAR LP 1996-1997→ ZEPHYR LONE STAR OPER CO.,L.L.C. 1997-2025

Lease Production

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

Formation Tops (6) Elevation 2,611 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
HOGSHOOTER	10,425 ft	-7,814 ft
DEESE	10,480 ft	-7,869 ft
GRANITE WASH	11,816 ft	-9,205 ft
THIRTEEN FINGER LIME	14,380 ft	-11,769 ft
MORROW SHALE (Morrow)	14,510 ft	-11,899 ft
U. MORROW	14,810 ft	-12,199 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
11,843–11,852 ft	Perforated
11,856–11,860 ft	Perforated
11,866–11,870 ft	Perforated
14,810–14,825 ft	Perforated

Casing (4)

Size	Set Depth	Cement
10.75"	5,453 ft	3,200 sx
10.75"	5,463 ft	2,350 sx
2.875"	14,387 ft	—
7"	14,678 ft	1,700 sx

Permit History (2)

#554061 Recompletion Final Completion

LEE · 15,600 ft

2004-11-29

#106622 Drill Final Completion

LEE · 15,600 ft

1980-12-30

Spud 1981-05-17

Applications (2)

#554061 A ZEPHYR LONE STAR OPER CO.,L.L.C.

received 2004-11-23

#106622 A DYCO PETROLEUM CORPORATION

received 1980-12-30

Records & Logs

3 completion filings on record.

W-2/G-1 2005-04-18

W-2/G-1 2005-09-13

W-2/G-1 1981-11-05

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 HEMPHILL County.

Well Details

Well Number: 105
Max Depth: 15,600 ft
Drill Type: Vertical
County: HEMPHILL
District: 10
Operator: MAG EXPLORATION LLC
Completed: 2004-12-26

Operator

Name: MAG EXPLORATION LLC
Location: DOVER
P-5 Status: X (filed 2026-03-13)
Cum Oil (all leases): — bbl
Cum Gas (all leases): — mcf
Activities: OPRS/G, OPRS/O