← Wells

42-505-31940

PRODUCING

SAN FERNANDO MINERALS

ZAPATA County · District 4 · BORDERTOWN ENERGY RESOURCES LLC · SAN FERNANDO (LOBO 9600)

Permits

1

Max Depth

11,000 ft

First Permit

1984-11-14

Latest Activity

1984-11-14

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1985-05-09

Shut-In

—

Plugged

—

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: BORDERTOWN ENERGY RESOURCES LLC ≠ Permit: TDC ENGINEERING, INC.

Resolved via: production → BORDERTOWN ENERGY RESOURCES, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

TDC ENGINEERING, INC. 1993-1993→ SONAT EXPLORATION COMPANY -TYLER 1993-1993→ SONAT EXPLORATION CO. - HOUSTON 1993-1996→ ENRON OIL & GAS COMPANY 1996-1999→ EOG RESOURCES, INC. 1999-2013→ BLUESTONE NATURAL RES. II, LLC 2013-2019→ BLACKBEARD OPERATING, LLC 2020-2020→ HUGOTON OPERATING COMPANY, INC. 2020-2024→ BORDERTOWN ENERGY RESOURCES, LLC 2026-2026

Lease Production

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

Gas
production & DCA →

Formation Tops (3) Elevation 4,323 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 2,500 ft+1,823 ft
UPPER WILCOX (Wilcox)4,100 ft+223 ft
LOBO 69,600 ft-5,277 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 (1)

IntervalType
9,618–9,656 ftPerforated

Casing (3)

SizeSet DepthCement
10.75"575 ft410 sx
7.625"6,700 ft475 sx
5"10,000 ft185 sx

Permit History (1)

#257678 Drill Final Completion

SAN FERNANDO MINERALS · 11,000 ft

1984-11-14

Spud 1984-11-27

Applications (1)

#257678 A TDC ENGINEERING, INC.
received 1984-11-14

Records & Logs

2 completion filings on record.

W-2/G-1 1985-06-10
W-2/G-1 1985-06-16
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 ZAPATA County.

Well Details

Well Number
1
Max Depth
11,000 ft
Drill Type
Vertical
County
ZAPATA
District
4
Operator
BORDERTOWN ENERGY RESOURCES LLC
Completed
1985-05-09

Operator

Location
BRYAN
P-5 Status
Active (filed 2025-10-08)
Cum Oil (all leases)
— bbl
Cum Gas (all leases)
3,781,958 mcf
Activities
G/PUR, GTHS/G, OPRS/G
Total Permits
1