42-033-31155
Final CompletionJO-MILL UNIT
BORDEN County · District 8 · JO MILL OIL COMPANY LLC · JO-MILL (SPRABERRY)
Permits
1
Max Depth
7,200 ft
First Permit
1985-05-23
Latest Activity
1985-05-23
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1988-04-27
Shut-In
—
Plugged
—
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
1,500 bbl/d
Max Pressure
2,500 psi
Injection Interval
6,970–7,200 ft
Injected (12mo)
147,976 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 (6) Elevation 2,592 ft (DF)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES | 3,100 ft | -508 ft |
| UPPER SPRABERRY (Spraberry) | 6,100 ft | -3,508 ft |
| LOWER SPRABERRY (Spraberry) | 6,950 ft | -4,358 ft |
| LOWER SPRABERRY -1 (Spraberry) | 6,950 ft | -4,358 ft |
| LOWER SPRABERRY -2 (Spraberry) | 6,990 ft | -4,398 ft |
| LOWER SPRABERRY -3 (Spraberry) | 7,065 ft | -4,473 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 |
|---|---|
| 7,096–7,145 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 11.75" | 417 ft | 400 sx |
| 8.625" | 4,205 ft | 2,450 sx |
| 5.5" | 7,210 ft | 950 sx |
Permit History (1)
Applications (1)
Records & Logs
5 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
- 3623
- Max Depth
- 7,200 ft
- Drill Type
- Vertical
- County
- BORDEN
- District
- 8
- Operator
- JO MILL OIL COMPANY LLC
- Completed
- 1988-04-27
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