42-033-31208
INJECTIONJO-MILL UNIT
BORDEN County · District 8 · JO MILL OIL COMPANY LLC · JO-MILL (SPRABERRY)
Permits
1
Max Depth
7,350 ft
First Permit
1985-11-19
Latest Activity
1985-11-19
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1987-07-24
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: JO MILL OIL COMPANY LLC ≠ Permit: TEXACO 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
Injection / Disposal
Permitted Volume
1,200 bbl/d
Max Pressure
2,500 psi
Injection Interval
7,000–7,350 ft
Injected (12mo)
106,048 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-08-01)
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 2,639 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES | 3,200 ft | -561 ft |
| UPPER SPRABERRY (Spraberry) | 6,300 ft | -3,661 ft |
| LOWER SPRABERRY ZONE 1 (Spraberry) | 7,110 ft | -4,471 ft |
| LOWER SPRABERRY ZONE 2 (Spraberry) | 7,150 ft | -4,511 ft |
| LOWER SPRABERRY ZONE 3 (Spraberry) | 7,230 ft | -4,591 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 (1)
| Interval | Type |
|---|---|
| 7,230–7,290 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 11.75" | 1,350 ft | 1,150 sx |
| 8.625" | 4,200 ft | 1,925 sx |
| 5.5" | 7,350 ft | 970 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
- 5422A
- Max Depth
- 7,350 ft
- Drill Type
- Vertical
- County
- BORDEN
- District
- 8
- Operator
- JO MILL OIL COMPANY LLC
- Completed
- 1987-07-24
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