SHEPPARD "A"

Oil · District 09 · Lease #29521

Operator: CHIEF OIL & GAS LLC *

Cum Oil

4k BBL

Cum Gas

66k MCF

casinghead

Wells

1

Production

1998-03 — 2003-06

Peak Month

2002-04

Production History

Cum Oil: 4,017 BBL Cum Gas: 65,896 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

1998-03 — 2003-10 CHIEF OIL & GAS LLC * 68 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2CHIEF OIL & GAS LLC *16,0001997-12-12