42-251-30795
PRODUCING HorizontalMAYFIELD
JOHNSON County · District 9 · FORMENTERA OPERATIONS LLC · NEWARK EAST (BARNETT SHALE)
Permits
1
Max Depth
9,000 ft
First Permit
2006-02-14
Latest Activity
2006-02-14
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2007-10-29
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
2007-10
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 (6) Elevation 741 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BIG SALINE | 6,600 ft | -5,859 ft |
| BIG SALINE | 6,605 ft | -5,864 ft |
| LOWER MARBLE FALLS (Marble Falls) | 6,919 ft | -6,178 ft |
| LOWER MARBLE FALLS (Marble Falls) | 6,949 ft | -6,208 ft |
| UPPER BARNETT SHALE (Barnett) | 7,131 ft | -6,390 ft |
| UPPER BARNETT SHALE (Barnett) | 7,254 ft | -6,513 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 (6)
| Interval | Type |
|---|---|
| 7,495–7,857 ft | Perforated |
| 7,915–8,277 ft | Perforated |
| 8,335–8,697 ft | Perforated |
| 8,755–9,117 ft | Perforated |
| 9,175–9,537 ft | Perforated |
| 9,595–9,957 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,450 ft | 625 sx |
| 5.5" | 10,038 ft | 1,890 sx |
Permit History (1)
Applications (1)
Records & Logs
3 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
- 9,000 ft
- Drill Type
- Horizontal
- County
- JOHNSON
- District
- 9
- Operator
- FORMENTERA OPERATIONS LLC
- Completed
- 2007-10-29
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
- 72