42-251-34302
PRODUCING HorizontalMAHANAY J. C.
JOHNSON County · District 9 · FORMENTERA OPERATIONS LLC · NEWARK EAST (BARNETT SHALE)
Permits
1
Max Depth
9,000 ft
First Permit
2011-05-02
Latest Activity
2011-05-02
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2012-03-09
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: FORMENTERA OPERATIONS LLC ≠ Permit: DEVON ENERGY PRODUCTION CO, L.P.
Resolved via: production → FORMENTERA OPERATIONS 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
2012-03
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 (3) Elevation 722 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BIG SALINE | 7,285 ft | -6,563 ft |
| UPPER BARNETT SHALE (Barnett) | 7,877 ft | -7,155 ft |
| LOWER BARNETT (Barnett) | 7,937 ft | -7,215 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 (8)
| Interval | Type |
|---|---|
| 8,238–8,660 ft | Perforated |
| 8,763–9,185 ft | Perforated |
| 9,288–9,710 ft | Perforated |
| 9,813–10,235 ft | Perforated |
| 10,338–10,760 ft | Perforated |
| 10,863–11,285 ft | Perforated |
| 11,388–11,810 ft | Perforated |
| 11,980–12,852 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,883 ft | 735 sx |
| 5.5" | 12,503 ft | 1,615 sx |
Permit History (1)
Applications (1)
Records & Logs
1 completion filing 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
- 4H
- Max Depth
- 9,000 ft
- Drill Type
- Horizontal
- County
- JOHNSON
- District
- 9
- Operator
- FORMENTERA OPERATIONS LLC
- Completed
- 2012-03-09
Operator
- Location
- AUSTIN
- P-5 Status
- X (filed 2026-06-11)
- Cum Oil (all leases)
- 7,170,117 bbl
- Cum Gas (all leases)
- 53,235,974 mcf
- Activities
- CSGD/P, G/PUR, OPRS/G, OPRS/O
- Total Permits
- 71