42-013-33814

PRODUCING

MCCAIN L.W. -A- TRACT 3

ATASCOSA County · District 1 · CALFAS OIL LLC · SOMERSET

RRC Lookup

Permits

Max Depth

1,550 ft

First Permit

1987-05-08

Latest Activity

1987-05-08

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1987-09-03

Shut-In

—

Plugged

—

P-5 Org Status: Delinquent

EWA / Permit operator mismatch

Scheduling: CALFAS OIL LLC ≠ Permit: EMERSON OIL COMPANY

Resolved via: production → CALFAS OIL, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-03

Operator History

Chain of Custody

EMERSON OIL COMPANY 1993-2004→ SIMCO OIL 2005-2010→ WSM 2010-2019→ PETROSAURUS, INC. 2019-2021→ BLACKJACK OPERATING L. L. C. 2022-2023→ CALFAS OIL, LLC 2023-2025

Lease Production

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

Oil

production & DCA →

Permit History (1)

#329811 Drill Final Completion

MCCAIN, L W TRACT "A" · 1,550 ft

1987-05-08

Permit Applications (1)

#329811 A EMERSON OIL COMPANY

received 1987-05-05

Well Details

Well Number: 4
Max Depth: 1,550 ft
Drill Type: Vertical
County: ATASCOSA
District: 1
Operator: CALFAS OIL LLC
Completed: 1987-09-03

Operator

Name: CALFAS OIL, LLC
Location: SAN ANTONIO
P-5 Status: Y (filed 2025-12-04)
Cum Oil (all leases): 17,510 bbl
Cum Gas (all leases): — mcf
Activities: OPRS/O

External Links

RRC Wellbore Query →