42-241-30679
PRODUCING HorizontalVASTAR FEE UNIT A-121
JASPER County · District 6 · ROCKSTAR PRODUCTION LLC · BROOKELAND (AUSTIN CHALK 8800)
Permits
1
Max Depth
15,500 ft
First Permit
2000-12-27
Latest Activity
2000-12-27
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2001-04-15
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Production operator mismatch
Scheduling: ROCKSTAR PRODUCTION LLC ≠ Production: ARCADIA ENERGY RESOURCES, LLC (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: ROCKSTAR PRODUCTION LLC ≠ Permit: UNION PACIFIC RESOURCES COMPANY
Resolved via: production → ARCADIA ENERGY RESOURCES, 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
2001-04
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 (5) Elevation 487 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| MIDWAY SHALE (Midway) | 8,840 ft | -8,353 ft |
| NAVARRO SAND (Navarro) | 9,982 ft | -9,495 ft |
| OZAN | 10,625 ft | -10,138 ft |
| TAYLOR SHALE (Taylor) | 10,782 ft | -10,295 ft |
| AUSTIN CHALK | 11,129 ft | -10,642 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 (2)
| Interval | Type |
|---|---|
| 11,150–11,789 ft | Perforated |
| 11,390–11,817 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 2,060 ft | 1,095 sx |
| 7.625" | 11,200 ft | 655 sx |
Permit History (1)
Applications (1)
Records & Logs
2 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
- 15,500 ft
- Drill Type
- Horizontal
- County
- JASPER
- District
- 6
- Operator
- ROCKSTAR PRODUCTION LLC
- Completed
- 2001-04-15
Operator
- Location
- GRAHAM
- P-5 Status
- X (filed 2026-03-19)
- Cum Oil (all leases)
- 21,352 bbl
- Cum Gas (all leases)
- — mcf
- Activities
- OPRS/G, OPRS/O