42-251-33799
PRODUCING HorizontalNOWLIN BILLIE MARIE
JOHNSON County · District 9 · FORMENTERA OPERATIONS LLC · NEWARK EAST (BARNETT SHALE)
Permits
1
Max Depth
9,000 ft
First Permit
2009-11-04
Latest Activity
2009-11-04
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2010-04-30
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
2009-12
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 847 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BIG SALINE (6985 TVD) (Big Saline) | 6,972 ft | -6,125 ft |
| BIG SALINE | 6,985 ft | -6,138 ft |
| LOWER MARBLE FALLS (Marble Falls) | 7,305 ft | -6,458 ft |
| LOWER MARBLE FALLS (7306 TVD) (Marble Falls) | 7,335 ft | -6,488 ft |
| UPPER BARNETT SHALE (Barnett) | 7,466 ft | -6,619 ft |
| UPPER BARNETT SHALE (7466 TVD) (Barnett) | 7,555 ft | -6,708 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 |
|---|---|
| 7,771–8,249 ft | Perforated |
| 8,407–8,885 ft | Perforated |
| 9,043–9,251 ft | Perforated |
| 9,679–10,157 ft | Perforated |
| 10,315–10,793 ft | Perforated |
| 10,951–11,429 ft | Perforated |
| 11,587–12,065 ft | Perforated |
| 12,223–12,702 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,715 ft | 590 sx |
| 5.5" | 12,779 ft | 2,385 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
- 4H
- Max Depth
- 9,000 ft
- Drill Type
- Horizontal
- County
- JOHNSON
- District
- 9
- Operator
- FORMENTERA OPERATIONS LLC
- Completed
- 2010-04-30
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