42-033-31446
INJECTIONJO-MILL UNIT
BORDEN County · District 8 · JO MILL OIL COMPANY LLC · JO-MILL (SPRABERRY)
Permits
2
Max Depth
7,700 ft
First Permit
1990-05-17
Latest Activity
1990-05-17
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2025-12-10
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
7,414–7,477 ft
Injected (12mo)
92,874 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 (4) Elevation 2,710 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 1,750 ft | +960 ft |
| SAN ANDRES | 3,544 ft | -834 ft |
| UPPER SPRABERRY (Spraberry) | 6,548 ft | -3,838 ft |
| LOWER SPRABERRY (Spraberry) | 7,414 ft | -4,704 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 |
|---|---|
| 7,414–7,477 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 11.75" | 1,455 ft | 1,100 sx |
| 8.625" | 4,215 ft | 1,640 sx |
| 5.5" | 7,560 ft | 1,200 sx |
Permit History (2)
Applications (2)
Records & Logs
4 completion filings on record · 1 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
- 4341
- Max Depth
- 7,700 ft
- Drill Type
- Vertical
- County
- BORDEN
- District
- 8
- Operator
- JO MILL OIL COMPANY LLC
- Completed
- 2025-12-10
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