42-071-02553

Final Completion

TRINITY BAY STATE UNIT NO. 1

CHAMBERS County · District 3 · GALVESTON BAY OPERATING CO LLC · TRINITY BAY (FRIO 5 EAST)

Permits

Max Depth

8,410 ft

First Permit

1979-04-12

Latest Activity

1986-12-16

Lifespan

8 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

2025-04-10

EWA / Production operator mismatch

Scheduling: GALVESTON BAY OPERATING CO LLC ≠ Production: MASTERS RESOURCES, L.L.C. (reported 2002-02)

EWA / Permit operator mismatch

Scheduling: GALVESTON BAY OPERATING CO LLC ≠ Permit: EXXON CORP.

Resolved via: scheduling → GALVESTON BAY OPERATING CO LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

VINTAGE PETROLEUM, INC. 1994-1998→ MASTERS RESOURCES, L.L.C. 2002-2002

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 16 ft (DF)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
TOP FRIO (Frio)	7,107 ft	-7,091 ft
FRIO 4 (Frio)	7,570 ft	-7,554 ft
FRIO 10 (Frio)	7,893 ft	-7,877 ft
FRIO 11 (Frio)	7,946 ft	-7,930 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 (11)

Interval	Type
7,524–7,526 ft	Perforated
7,524–7,527 ft	Perforated
7,530–7,536 ft	Perforated
7,531–7,534 ft	Perforated
7,542–7,548 ft	Perforated
7,625–7,630 ft	Perforated
7,797–7,800 ft	Perforated
7,802–7,805 ft	Perforated
7,994–8,002 ft	Perforated
8,094–8,108 ft	Perforated
?–7,674 ft	Perforated

Casing (8)

Size	Set Depth	Cement
9.625"	2,532 ft	780 sx
9.625"	2,548 ft	530 sx
2.375"	7,761 ft	—
2.375"	7,899 ft	—
2.375"	7,907 ft	—
5.5"	8,384 ft	250 sx
5.5"	8,384 ft	250 sx
5.5"	8,400 ft	250 sx

Permit History (5)

#324391 Recompletion Final Completion

TRINITY BAY STATE UNIT 1 · 8,410 ft

1986-12-16

#300944 Recompletion U

TRINITY BAY STATE UNIT NO. 1 · 8,410 ft

1986-04-11

#249090 Recompletion Final Completion

TRINITY BAY STATE UNIT 1 · 8,410 ft

1984-08-22

#56809 Recompletion Final Completion

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

1979-08-30

#49485 Recompletion U

TRINITY BAY STATE UNIT NO. 1 · 8,410 ft

1979-04-12

Applications (5)

#324391 A EXXON CORP.

received 1986-12-15

#300944 A EXXON CORP.

received 1986-04-10

#249090 A EXXON CORP.

received 1984-08-20

#56809 A EXXON CORP.

received 1979-08-30

#49485 A EXXON CORP.

received 1979-04-12

Records & Logs

12 completion filings on record · 2 with log images at RRC.

W-2/G-1 1987-05-08 log on file

W-2/G-1 1987-08-15

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

W-2/G-1 1987-03-17

W-2/G-1 1986-11-24

W-2/G-1 1985-04-18

+6 more filings

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: 39
Max Depth: 8,410 ft
Drill Type: Vertical
County: CHAMBERS
District: 3
Operator: GALVESTON BAY OPERATING CO LLC

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