42-071-02627
Final CompletionTRINITY BAY STATE UNIT NO. 1
CHAMBERS County · District 3 · GALVESTON BAY OPERATING CO LLC · TRINITY BAY (FRIO 9)
Permits
1
Max Depth
8,600 ft
First Permit
1985-10-29
Latest Activity
1985-10-29
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1985-11-14
Shut-In
—
Plugged
2025-05-31
EWA / Permit operator mismatch
Scheduling: GALVESTON BAY OPERATING CO LLC ≠ Permit: EXXON CORP.
Resolved via: scheduling → GALVESTON BAY OPERATING CO 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 17 ft (DF)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| FRIO 4 (Frio) | 7,571 ft | -7,554 ft |
| FRIO 5 (Frio) | 7,631 ft | -7,614 ft |
| FRIO 9 (Frio) | 7,853 ft | -7,836 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 (2)
| Interval | Type |
|---|---|
| 7,853–7,860 ft | Perforated |
| 8,082–8,086 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 236 ft | 250 sx |
| 9.625" | 2,525 ft | 530 sx |
| 2.375" | 7,972 ft | — |
| 5.5" | 8,354 ft | 350 sx |
Permit History (1)
Applications (1)
Records & Logs
5 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
- 12
- Max Depth
- 8,600 ft
- Drill Type
- Vertical
- County
- CHAMBERS
- District
- 3
- Operator
- GALVESTON BAY OPERATING CO LLC
- Completed
- 1985-11-14
Operator
- Location
- HOUSTON
- P-5 Status
- Delinquent (filed 2019-05-06)
- Cum Oil (all leases)
- 143,492 bbl
- Cum Gas (all leases)
- 462,008 mcf
- Activities
- CSGD/P, G/PUR, OPRS/G, OPRS/O
- Total Permits
- 5