42-033-31942
Final CompletionJO-MILL UNIT
BORDEN County · District 8 · JO MILL OIL COMPANY LLC · JO-MILL (SPRABERRY)
Permits
2
Max Depth
9,000 ft
First Permit
2004-12-17
Latest Activity
2017-06-30
Lifespan
13 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2005-02-21
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: JO MILL OIL COMPANY LLC ≠ Permit: CHEVRON U. S. A. INC.
Resolved via: production → JO MILL OIL COMPANY 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 (4) Elevation 2,611 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 1,240 ft | +1,371 ft |
| YATES | 1,810 ft | +801 ft |
| SAN ANDRES | 3,222 ft | -611 ft |
| BASE OF CLEARFORK (Clear Fork) | 6,045 ft | -3,434 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 ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (2)
| Interval | Type |
|---|---|
| 820–1,000 ft | Perforated |
| 7,222–7,256 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 11.75" | 277 ft | 250 sx |
| 8.625" | 4,228 ft | 1,300 sx |
| 5.5" | 7,467 ft | 900 sx |
Permit History (2)
Applications (2)
Records & Logs
3 completion filings on record · 2 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.
Well Details
- Well Number
- 5447WS
- Max Depth
- 9,000 ft
- Drill Type
- Vertical
- County
- BORDEN
- District
- 8
- Operator
- JO MILL OIL COMPANY LLC
- Completed
- 2005-02-21
Operator
- Location
- FORT WORTH
- P-5 Status
- Active (filed 2025-07-09)
- Cum Oil (all leases)
- 4,349,903 bbl
- Cum Gas (all leases)
- — mcf
- Activities
- OPRS/O