KEYSER "A"

Oil · District 09 · Lease #20834

Operator: WESTERN CHIEF OPERATING, L.L.C.

Cum Oil

88 BBL

Cum Gas

6 MCF

casinghead

Wells

1

Production

1993-01 — 2000-11

Peak Month

1993-03

Production History

Cum Oil: 88 BBL Cum Gas: 6 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

15 BBL/mo

Di (annual)

38.8%

b-factor

0.0

EUR

432 BBL

R-squared

0.984

type

exponential

Operator History (from monthly production reports)

2019-10 — 2026-07 WESTERN CHIEF OPERATING, L.L.C. 82 mo
1993-01 — 2019-09 STOVALL, TROY 321 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1STOVALL, TROY24,8001980-12-11