WEST, M. M.

Oil · District 8A · Lease #61675

Operator: VANGUARD PERMIAN, LLC

Cum Oil

1.2M BBL

Cum Gas

190k MCF

casinghead

Wells

5

Production

1993-01 — 2020-03

Peak Month

1994-11

Production History

Cum Oil: 1,171,718 BBL Cum Gas: 189,521 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

10,432 BBL/mo

Di (annual)

13.5%

b-factor

0.1

EUR

1,017,483 BBL

R-squared

0.885

type

hyperbolic

Operator History (from monthly production reports)

2020-06 — 2026-07 RILEY PERMIAN OPERATING CO, LLC 74 mo
2019-09 — 2020-05 GRIZZLY OP OF DELAWARE, LLC 9 mo
2015-05 — 2019-08 VANGUARD OPERATING, LLC 52 mo
2008-03 — 2015-04 VANGUARD PERMIAN, LLC 86 mo
1998-09 — 2008-02 APACHE CORPORATION 114 mo
1993-01 — 1998-08 MW PETROLEUM CORPORATION 68 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11 HRILEY PERMIAN OPERATING CO LLC211,3001994-12-01
11-HRILEY PERMIAN OPERATING CO LLC211,3001994-12-01
10 BRILEY PERMIAN OPERATING CO LLC111,2001994-08-24
9RILEY PERMIAN OPERATING CO LLC111,3001987-10-16
242-501-02068RILEY PERMIAN OPERATING CO LLC------