42-103-31312
Final CompletionTUBB J. B. -F-
CRANE County · District 8 · FORMENTERA OPERATIONS LLC · SAND HILLS (TUBB)
Permits
1
Max Depth
4,550 ft
First Permit
1995-09-11
Latest Activity
1995-09-11
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1976-08-10
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: FORMENTERA OPERATIONS LLC ≠ Permit: EXXON CORP.
Resolved via: production → FORMENTERA OPERATIONS 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 (4) Elevation 2,543 ft (DF)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| JUDKINS | 2,636 ft | -93 ft |
| MCKNIGHT | 3,142 ft | -599 ft |
| SAN ANGELO | 3,460 ft | -917 ft |
| TUBB | 4,193 ft | -1,650 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 (4)
| Interval | Type |
|---|---|
| 2,651–3,016 ft | Perforated |
| 3,076–3,433 ft | Perforated |
| ?–3,016 ft | Perforated |
| ?–4,442 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 593 ft | 300 sx |
| 2.875" | 3,564 ft | — |
| 2.875" | 3,574 ft | — |
| 4.5" | 4,540 ft | 1,725 sx |
Permit History (1)
Applications (1)
Records & Logs
4 completion filings on record.
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
- 12L
- Max Depth
- 4,550 ft
- Drill Type
- Vertical
- County
- CRANE
- District
- 8
- Operator
- FORMENTERA OPERATIONS LLC
- Completed
- 1976-08-10
Operator
- Location
- AUSTIN
- P-5 Status
- X (filed 2026-06-11)
- Cum Oil (all leases)
- 7,170,117 bbl
- Cum Gas (all leases)
- 53,235,974 mcf
- Activities
- CSGD/P, G/PUR, OPRS/G, OPRS/O
- Total Permits
- 71