RUMAGE

Oil · District 09 · Lease #33806

Operator: WHITE KNIGHT PRODUCTION LLC

Cum Oil

487k BBL

Cum Gas

26k MCF

casinghead

Wells

4

Production

2018-08 — 2026-04

Peak Month

2019-08

Production History

Cum Oil: 486,828 BBL Cum Gas: 26,140 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

15,011 BBL/mo

Di (annual)

118.3%

b-factor

1.1

EUR

706,151 BBL

R-squared

0.991

type

hyperbolic

Operator History (from monthly production reports)

2024-03 — 2026-07 FX ENERGY OPERATING, LLC 29 mo
2018-08 — 2024-02 WHITE KNIGHT PRODUCTION LLC 67 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12FX ENERGY OPERATING, LLC12,5002019-05-16
11FX ENERGY OPERATING, LLC12,5002019-01-30
10FX ENERGY OPERATING, LLC13,0002018-10-08
5FX ENERGY OPERATING, LLC27,0002018-07-20