42-507-32352

Final Completion Horizontal

PORTER FLOYD R.

ZAVALA County · District 1 · TRINITY OPERATING (USG) LLC · PEARSALL (AUSTIN CHALK)

Permits

Max Depth

9,700 ft

First Permit

1990-07-24

Latest Activity

1994-03-07

Lifespan

4 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1994-04-01

Shut-In

—

Plugged

1997-10-10

EWA / Production operator mismatch

Scheduling: TRINITY OPERATING (USG) LLC ≠ Production: TEXAS AMERICAN RESOURCES COMPANY (reported 2009-11)

EWA / Permit operator mismatch

Scheduling: TRINITY OPERATING (USG) LLC ≠ Permit: ORYX ENERGY COMPANY

Resolved via: scheduling → TRINITY OPERATING (USG) LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2021-07

Operator History

Chain of Custody

ORYX ENERGY COMPANY 1993-1997→ TEXAS AMERICAN RESOURCES COMPANY 2004-2009

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 (8) Elevation 595 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
MIDWAY	2,878 ft	-2,283 ft
SAN MIGUEL	5,309 ft	-4,714 ft
1ST LIME	5,815 ft	-5,220 ft
ANACACHO	5,995 ft	-5,400 ft
ANACACHO	5,998 ft	-5,403 ft
AUSTIN CHALK	6,188 ft	-5,593 ft
AUSTIN CHALK	6,273 ft	-5,678 ft
LOWER CHALK	6,608 ft	-6,013 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
6,242–9,180 ft	Perforated
6,242–9,200 ft	Perforated

Casing (2)

Size	Set Depth	Cement
13.375"	739 ft	555 sx
9.625"	6,242 ft	1,105 sx

Permit History (2)

#421769 Recompletion Final Completion

PORTER, FLOYD · 6,850 ft

1994-03-07

Spud 1994-03-08

#375871 Drill Final Completion

PORTER,, FLOYD R. · 9,700 ft

1990-07-24

Spud 1990-07-29

Applications (2)

#421769 A ORYX ENERGY COMPANY

received 1994-03-07

#375871 A ORYX ENERGY COMPANY

received 1990-07-24

Records & Logs

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

W-2/G-1 1994-04-28 log on file

W-2/G-1 1990-09-17 log on file

W-2/G-1 1990-12-07

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 ZAVALA County.

Well Details

Well Number: 2
Max Depth: 9,700 ft
Drill Type: Horizontal
County: ZAVALA
District: 1
Operator: TRINITY OPERATING (USG) LLC
Completed: 1994-04-01

Operator

Name: TRINITY OPER (USG), LLC
Location: HOUSTON
P-5 Status: Active (filed 2026-01-28)
Cum Oil (all leases): 22,515,031 bbl
Cum Gas (all leases): 284,930,581 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 391