42-033-31796
PRODUCINGJO-MILL UNIT
BORDEN County · District 8 · JO MILL OIL COMPANY LLC · JO-MILL (SPRABERRY)
Permits
2
Max Depth
7,610 ft
First Permit
2001-10-16
Latest Activity
2001-10-16
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2002-04-04
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: JO MILL OIL COMPANY LLC ≠ Permit: TEXACO E & P 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 (3) Elevation 2,670 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BASE CLEARFORK (Clear Fork) | 6,195 ft | -3,525 ft |
| MIDDLE SPRABERRY (Spraberry) | 6,695 ft | -4,025 ft |
| LOWER SPRABERRY (Spraberry) | 6,870 ft | -4,200 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 |
|---|---|
| 7,342–7,380 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 11.75" | 307 ft | 250 sx |
| 8.625" | 4,244 ft | 1,800 sx |
| 5.5" | 7,610 ft | 725 sx |
Permit History (2)
Applications (2)
Records & Logs
2 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
- 4338
- Max Depth
- 7,610 ft
- Drill Type
- Vertical
- County
- BORDEN
- District
- 8
- Operator
- JO MILL OIL COMPANY LLC
- Completed
- 2002-04-04
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