42-483-32413

PRODUCING

HEFLEY 36

WHEELER County · District 10 · MMGL TXPH LLC · BUFFALO WALLOW (GRANITE WASH)

Permits

1

Max Depth

14,500 ft

First Permit

2007-07-25

Latest Activity

2007-07-25

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2007-12-17

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: MMGL TXPH LLC ≠ Permit: SAMSON LONE STAR, LLC

Resolved via: productionMMGL TXPH, LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2007-12

Last Production

2026-07

Lease Production

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

Formation Tops (3) Elevation 2,645 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
OSWEGO 11,052 ft-8,407 ft
GW CALDWELL11,342 ft-8,697 ft
ATOKA WASH (Atoka)13,294 ft-10,649 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)

IntervalType
11,456–13,708 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"2,475 ft1,220 sx
5.5"13,797 ft585 sx

Permit History (1)

Applications (1)

#640565 A SAMSON LONE STAR, LLC
received 2007-06-11

Records & Logs

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

W-2/G-1 2008-02-29 log on file
W-2/G-1 2008-05-21

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 WHEELER County.

Well Details

Well Number
5036
Max Depth
14,500 ft
Drill Type
Vertical
County
WHEELER
District
10
Operator
MMGL TXPH LLC
Completed
2007-12-17

Operator

Location
DALLAS
P-5 Status
Active (filed 2025-07-24)
Cum Oil (all leases)
220,131 bbl
Cum Gas (all leases)
64,022,648 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits
10