42-483-33859
HorizontalLEE HEFLEY
WHEELER County · District 10 · DEVON ENERGY PRODUCTION CO L.P. · MILLS RANCH (GRANITE WASH CONS.)
Permits
2
Max Depth
10,800 ft
First Permit
2014-07-08
Latest Activity
2014-07-08
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2014-10-29
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: DEVON ENERGY PRODUCTION CO L.P. ≠ Production: MMGL TXPH, LLC (reported 2026-04)
Resolved via: production → 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
2014-10
Last Production
2026-07
Operator History
Chain of Custody
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (16) Elevation 2,634 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BLAINE - PRESSURED (ARTISIAN) AN | 400 ft | +2,234 ft |
| BROWN DOLOMITE (UPPER) - PANHAND (Brown Dolomite) | 4,500 ft | -1,866 ft |
| BROWN DOLOMITE (LOWER) - PRESSUR (Brown Dolomite) | 5,000 ft | -2,366 ft |
| PENNSYLVANIAN SHALE (Pennsylvanian) | 6,200 ft | -3,566 ft |
| DOUGLAS | 8,311 ft | -5,677 ft |
| TONKAWA | 9,013 ft | -6,379 ft |
| BLAINE - PRESSURED (ARTISIAN) AN | — | — |
| BROWN DOLOMITE (LOWER) - PRESSUR (Brown Dolomite) | — | — |
| BROWN DOLOMITE (UPPER) - PANHAND (Brown Dolomite) | — | — |
| DOUGLAS | — | — |
| GLORIETA - OLD WATERFLOOD; CORRO (Glorieta) | — | — |
| GRANITE WASHE - PANHANDLE FIELD | — | — |
| GRANITE WASHES | — | — |
| PENNSYLVANIAN SHALE (Pennsylvanian) | — | — |
| TONKAWA | — | — |
| WICHITA DOLOMITE (Wichita-Albany) | — | — |
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 |
|---|---|
| 10,054–15,759 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 650 ft | 1,440 sx |
| 9.625" | 8,509 ft | 980 sx |
| 5.5" | 15,893 ft | 2,480 sx |
Permit History (2)
Applications (2)
Records & Logs
2 completion filings on record · 2 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
- 4H
- Max Depth
- 10,800 ft
- Drill Type
- Horizontal
- County
- WHEELER
- District
- 10
- Operator
- DEVON ENERGY PRODUCTION CO L.P.
- Completed
- 2014-10-29
Operator
- Location
- OKLAHOMA CI, TY
- P-5 Status
- Active (filed 2025-12-18)
- Cum Oil (all leases)
- 365,943,944 bbl
- Cum Gas (all leases)
- 9,274,880,220 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 9,264