42-033-31811
Final Completion HorizontalJO-MILL UNIT
BORDEN County · District 8 · JO MILL OIL COMPANY LLC · JO-MILL (SPRABERRY)
Permits
2
Max Depth
8,000 ft
First Permit
2002-03-28
Latest Activity
2010-10-12
Lifespan
9 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2002-06-08
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 (6) Elevation 2,751 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 2,010 ft | +741 ft |
| SAN ANDRES | 3,752 ft | -1,001 ft |
| BASE CLEARFORK (Clear Fork) | 6,384 ft | -3,633 ft |
| CLEAR FORK | 6,384 ft | -3,633 ft |
| LOWER SPRABERRY (Spraberry) | 7,069 ft | -4,318 ft |
| SPRABERRY | 7,069 ft | -4,318 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 (3)
| Interval | Type |
|---|---|
| 7,235–8,994 ft | Open hole |
| 7,525–7,566 ft | Perforated |
| 7,525–7,586 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 11.75" | 300 ft | 250 sx |
| 8.625" | 4,380 ft | 1,700 sx |
| 5.5" | 7,800 ft | 870 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.
No GPS coordinates yet
Well Details
- Well Number
- 5220H
- Max Depth
- 8,000 ft
- Drill Type
- Horizontal
- County
- BORDEN
- District
- 8
- Operator
- JO MILL OIL COMPANY LLC
- Completed
- 2002-06-08
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