HEFLEY SWD
WHEELER County · District 10 · MMGL TXPH LLC · BUFFALO WALLOW (GRANITE WASH)
Permits
1
Max Depth
6,450 ft
First Permit
2006-08-03
Latest Activity
2006-08-03
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2007-02-20
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: MMGL TXPH LLC ≠ Permit: SAMSON LONE STAR LP
Resolved via: scheduling → MMGL TXPH LLC
Production Summary Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil
— bbl
Cum Gas
— mcf
First Production
2007-02
Last Production
2026-07
Injection / Disposal
Permitted Volume
10,000 bbl/d
Max Pressure
2,300 psi
Injection Interval
4,650–6,410 ft
Injected (12mo)
113,085 bbl
Monthly injected volume (bbl, from H-10 filings through 2026-03-01)
Operator History
originally filed by SAMSON LONE STAR LP — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (2) Elevation 2,615 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BROWN DOLOMITE | 4,646 ft | -2,031 ft |
| PEN SHALE | 6,367 ft | -3,752 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 |
|---|---|
| 5,386–6,364 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 3,187 ft | 1,670 sx |
| 7" | 6,448 ft | 520 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 1 with log images at RRC.
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
Well Details
- Well Number
- 1
- Max Depth
- 6,450 ft
- Drill Type
- Vertical
- County
- WHEELER
- District
- 10
- Operator
- MMGL TXPH LLC
- Completed
- 2007-02-20
Operator
- Name
- MMGL TXPH, LLC
- 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