42-115-32444
Final CompletionSPRABERRY DEEP UNIT
DAWSON County · District 8 · JO MILL OIL COMPANY LLC · SPRABERRY DEEP
Permits
3
Max Depth
7,500 ft
First Permit
1987-08-28
Latest Activity
2010-11-22
Lifespan
23 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1987-10-01
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 2,902 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES | 3,730 ft | -828 ft |
| SAN ANDRES | 4,500 ft | -1,598 ft |
| UPPER SPRABERRY (Spraberry) | 6,415 ft | -3,513 ft |
| SPRABERRY | 6,523 ft | -3,621 ft |
| UPPER SPRABERRY (Spraberry) | 6,523 ft | -3,621 ft |
| LOWER SPRABERRY (Spraberry) | 7,117 ft | -4,215 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 (5)
| Interval | Type |
|---|---|
| 6,466–6,472 ft | Perforated |
| 6,466–6,920 ft | Perforated |
| 6,758–6,800 ft | Perforated |
| 6,974–7,120 ft | Perforated |
| 7,199–7,311 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 400 ft | 525 sx |
| 8.625" | 4,500 ft | 2,500 sx |
| 5.5" | 6,800 ft | 1,050 sx |
Permit History (3)
Applications (3)
Records & Logs
5 completion filings on record · 4 with log images at RRC.
Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 22
- Max Depth
- 7,500 ft
- Drill Type
- Vertical
- County
- DAWSON
- District
- 8
- Operator
- JO MILL OIL COMPANY LLC
- Completed
- 1987-10-01
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