RINGENER, W.J.

Oil · District 08 · Lease #27606

Operator: WATUSI ENERGY LLC

Cum Oil

69k BBL

Cum Gas

68k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

2021-10

Production History

Cum Oil: 69,014 BBL Cum Gas: 67,679 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

765 BBL/mo

Di (annual)

106.9%

b-factor

0.5

EUR

16,568 BBL

R-squared

0.787

type

hyperbolic

Operator History (from monthly production reports)

2021-12 — 2026-07 BLACK ARROW OPERATING, LLC 56 mo
2020-12 — 2021-11 WATUSI ENERGY LLC 12 mo
2017-10 — 2020-11 LARIO OIL & GAS COMPANY 38 mo
1993-01 — 2017-09 V-F PETROLEUM INC. 297 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BLACK ARROW OPERATING, LLC19,1001982-07-29