42-013-33537

PRODUCING

GOODWYN A.B.

ATASCOSA County · District 1 · CALK OPERATING LLC · SOMERSET

RRC Lookup

Permits

Max Depth

1,900 ft

First Permit

1985-09-17

Latest Activity

1985-09-17

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1985-12-01

Shut-In

—

Plugged

—

P-5 Org Status: Active

EWA / Permit operator mismatch

Scheduling: CALK OPERATING LLC ≠ Permit: DURANGO PRODUCTION COMPANY, INC.

Resolved via: production → CALK OPERATING, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-03

Operator History

Chain of Custody

GOODWYN, A. B. 1993-1994→ TRUE ENERGY, INC. 1994-2002→ OLDENBURG VENTURES, L.P. 2002-2011→ CALK OPERATING CO. 2011-2014→ CALK OPERATING, LLC 2014-2025

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)

#285152 Drill U

GOODWYN, A. B. · 1,900 ft

1985-09-17

Permit Applications (1)

#285152 A DURANGO PRODUCTION COMPANY, INC.

received 1985-09-16

Well Details

Well Number: 13
Max Depth: 1,900 ft
Drill Type: Vertical
County: ATASCOSA
District: 1
Operator: CALK OPERATING LLC
Completed: 1985-12-01

Operator

Name: CALK OPERATING, LLC
Location: LYTLE
P-5 Status: Y (filed 2026-01-04)
Cum Oil (all leases): 11,581 bbl
Cum Gas (all leases): — mcf
Activities: OPRS/O

External Links

RRC Wellbore Query →