42-103-32400
Final CompletionTUBB J. B. A/C 1
CRANE County · District 8 · FORMENTERA OPERATIONS LLC · SAND HILLS (TUBB)
Permits
2
Max Depth
4,750 ft
First Permit
1980-10-29
Latest Activity
1980-10-29
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1991-11-26
Shut-In
—
Plugged
1996-11-18
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
Injection / Disposal
Permitted Volume
—
Max Pressure
—
Injection Interval
—
Injected (12mo)
—
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 (2) Elevation 2,496 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| MCKNIGHT | 2,808 ft | -312 ft |
| TUBB | 4,129 ft | -1,633 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 |
|---|---|
| 2,809–3,083 ft | Perforated |
| 2,809–3,285 ft | Perforated |
| 4,140–4,358 ft | Perforated |
| 4,140–4,448 ft | Perforated |
Casing (6)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 580 ft | 300 sx |
| 1.5" | 2,716 ft | — |
| 2.875" | 3,599 ft | — |
| 2.875" | 3,599 ft | — |
| 2.375" | 4,019 ft | — |
| 4.5" | 4,717 ft | 2,000 sx |
Permit History (2)
Applications (2)
Records & Logs
9 completion filings on record · 1 with log images at RRC.
+3 more filings
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
- 237
- Max Depth
- 4,750 ft
- Drill Type
- Vertical
- County
- CRANE
- District
- 8
- Operator
- FORMENTERA OPERATIONS LLC
- Completed
- 1991-11-26
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