42-251-34184
PRODUCING HorizontalKING JOHN EDWARD
JOHNSON County · District 9 · FORMENTERA OPERATIONS LLC · NEWARK EAST (BARNETT SHALE)
Permits
1
Max Depth
9,000 ft
First Permit
2010-12-23
Latest Activity
2010-12-23
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2011-05-23
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Production operator mismatch
Scheduling: FORMENTERA OPERATIONS LLC ≠ Production: JAVELIN ENERGY PARTNERS MGMT LLC (reported 2023-04)
EWA / Permit operator mismatch
Scheduling: FORMENTERA OPERATIONS LLC ≠ Permit: DEVON ENERGY PRODUCTION CO, L.P.
Resolved via: scheduling → 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
2011-05
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 871 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BIG SALINE | 5,985 ft | -5,114 ft |
| LOWER MARBLE FALLS (Marble Falls) | 6,341 ft | -5,470 ft |
| UPPER BARNETT SHALE (Barnett) | 6,458 ft | -5,587 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 (5)
| Interval | Type |
|---|---|
| 6,613–6,999 ft | Perforated |
| 7,093–7,479 ft | Perforated |
| 7,573–7,959 ft | Perforated |
| 8,053–8,439 ft | Perforated |
| 8,533–8,919 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,085 ft | 490 sx |
| 5.5" | 9,041 ft | 945 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
- 31H
- Max Depth
- 9,000 ft
- Drill Type
- Horizontal
- County
- JOHNSON
- District
- 9
- Operator
- FORMENTERA OPERATIONS LLC
- Completed
- 2011-05-23
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