SHEPHERD "703"

Oil · District 8A · Lease #66274

Operator: VANGUARD PERMIAN, LLC

Cum Oil

76k BBL

Cum Gas

20 MCF

casinghead

Wells

2

Production

1993-01 — 2010-12

Peak Month

1993-01

Production History

Cum Oil: 75,688 BBL Cum Gas: 20 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,658 BBL/mo

Di (annual)

74.6%

b-factor

0.5

EUR

50,604 BBL

R-squared

0.717

type

hyperbolic

Operator History (from monthly production reports)

2020-05 — 2026-07 RILEY PERMIAN OPERATING CO, LLC 75 mo
2019-09 — 2020-04 GRIZZLY OP OF DELAWARE, LLC 8 mo
2015-05 — 2019-08 VANGUARD OPERATING, LLC 52 mo
2013-06 — 2015-04 VANGUARD PERMIAN, LLC 23 mo
2010-02 — 2013-05 BLUE RIDGE RESOURCES, LLC 40 mo
1993-01 — 2010-01 ENERGYPRO, INC. 205 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1RILEY PERMIAN OPERATING CO, LLC311,1002022-03-23
2RILEY PERMIAN OPERATING CO, LLC512,0002022-03-23