42-211-31735
Final CompletionMAGIC #1
HEMPHILL County · District 10 · GRANITE OPERATING COMPANY · MATHERS RANCH (TONKAWA)
Permits
1
Max Depth
8,400 ft
First Permit
1984-12-18
Latest Activity
1984-12-18
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1985-03-01
Shut-In
—
Plugged
2010-06-02
EWA / Permit operator mismatch
Scheduling: GRANITE OPERATING COMPANY ≠ Permit: EAGLE OIL & GAS CO.
Resolved via: scheduling → GRANITE OPERATING COMPANY
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
1993-01
Last Production
2010-10
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 (2) Elevation 2,397 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| DOUGLAS | 7,375 ft | -4,978 ft |
| TONKAWA | 8,054 ft | -5,657 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 |
|---|---|
| 8,054–8,058 ft | Perforated |
| 8,072–8,078 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,498 ft | 850 sx |
| 4.5" | 8,200 ft | 270 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record.
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
- 8,400 ft
- Drill Type
- Vertical
- County
- HEMPHILL
- District
- 10
- Operator
- GRANITE OPERATING COMPANY
- Completed
- 1985-03-01
Operator
- Name
- GRANITE OPER CO
- Location
- HOUSTON
- P-5 Status
- Inactive (filed 2023-11-14)
- Cum Oil (all leases)
- 249,888 bbl
- Cum Gas (all leases)
- 25,557,990 mcf
- Total Permits
- 84