42-071-31751

Final Completion

TRINITY BAY STATE UNIT NO. 1

CHAMBERS County · District 3 · GALVESTON BAY OPERATING CO LLC · TRINITY BAY (FRIO 9)

Permits

Max Depth

8,900 ft

First Permit

1985-10-24

Latest Activity

1996-05-03

Lifespan

11 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1996-05-10

Shut-In

—

Plugged

2025-04-13

EWA / Permit operator mismatch

Scheduling: GALVESTON BAY OPERATING CO LLC ≠ Permit: VINTAGE PETROLEUM, INC.

Resolved via: scheduling → GALVESTON BAY OPERATING CO LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Plugged 2025-04-28 UIC #000111375 permitted 2002-06-10

Permitted Volume

1,500 bbl/d

Max Pressure

2,700 psi

Injection Interval

7,576–7,863 ft

Injected (12mo)

—

Operator History

Chain of Custody

VINTAGE PETROLEUM, INC. 1993-2001→ MASTERS RESOURCES, L.L.C. 2002-2006→ TEKOIL AND GAS GULF COAST, LLC 2006-2008→ GALVESTON BAY ENERGY, LLC 2009-2017→ GALVESTON BAY OPERATING CO LLC 2017-2020

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Oil

production & DCA →

Formation Tops (4) Elevation 23 ft (DF)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
FRIO 1 (Frio)	7,070 ft	-7,047 ft
FRIO 4 (Frio)	7,552 ft	-7,529 ft
FRIO 9 (Frio)	7,829 ft	-7,806 ft
FRIO 12 (Frio)	8,041 ft	-8,018 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
7,576–7,588 ft	Perforated
7,852–7,859 ft	Perforated
7,859–7,862 ft	Perforated
7,860–7,863 ft	Perforated

Casing (3)

Size	Set Depth	Cement
16"	112 ft	—
9.625"	1,834 ft	940 sx
5.5"	8,398 ft	380 sx

Permit History (2)

#447772 Recompletion Final Completion

TRINITY BAY STATE UNIT NO. 1 · 8,400 ft

1996-05-03

Spud 1996-05-07

#288334 Drill Final Completion

TRINITY BAY STATE UNIT NO. 1 · 8,900 ft

1985-10-24

Applications (2)

#447772 A VINTAGE PETROLEUM, INC.

received 1996-05-03

#288334 A EXXON CORP.

received 1985-09-23

Records & Logs

4 completion filings on record · 3 with log images at RRC.

W-2/G-1 1996-07-05 log on file

W-2/G-1 1987-03-12 log on file

W-2/G-1 1986-03-12 log on file

W-2/G-1 1986-04-05

Completion packets + logs ↗ Wellbore filings ↗

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

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in CHAMBERS County.

Well Details

Well Number: 131
Max Depth: 8,900 ft
Drill Type: Vertical
County: CHAMBERS
District: 3
Operator: GALVESTON BAY OPERATING CO LLC
Completed: 1996-05-10

Operator

Name: GALVESTON BAY OPER CO LLC
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