42-033-30630
NNUNNALLY A
BORDEN County · District 8 · TAMARACK PETROLEUM COMPANY INC. · REO (JO MILL LOWER)
Permits
1
Max Depth
7,600 ft
First Permit
1981-01-26
Latest Activity
1981-01-26
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1981-10-25
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: TAMARACK PETROLEUM COMPANY INC. ≠ Production: ESTANCIA OIL & GAS, LLC (reported 2026-03)
Resolved via: production → ESTANCIA OIL & GAS, 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
1993-01
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 (1) Elevation 2,962 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 1,183 ft | +1,779 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 |
|---|---|
| 1,183–1,213 ft | Perforated |
| 7,382–7,394 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 12.75" | 335 ft | 350 sx |
| 4.5" | 2,616 ft | 795 sx |
| 8.625" | 3,484 ft | 350 sx |
| 2.375" | 7,373 ft | — |
| 4.5" | 7,584 ft | 750 sx |
Permit History (1)
Applications (1)
Records & Logs
4 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
- 2
- Max Depth
- 7,600 ft
- Drill Type
- Vertical
- County
- BORDEN
- District
- 8
- Operator
- TAMARACK PETROLEUM COMPANY INC.
- Completed
- 1981-10-25
Operator
- Location
- MIDLAND
- P-5 Status
- Inactive (filed 2020-11-20)
- Cum Oil (all leases)
- 9,908,361 bbl
- Cum Gas (all leases)
- 27,439,216 mcf
- Total Permits
- 469