YELLOWSTONE 28-4

Oil · District 08 · Lease #53758

Operator: CLEAR FORK, INCORPORATED

Cum Oil

766k BBL

Cum Gas

1.4M MCF

casinghead

Wells

1

Production

2019-11 — 2026-04

Peak Month

2020-07

Production History

Cum Oil: 766,320 BBL Cum Gas: 1,367,370 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

41,028 BBL/mo

Di (annual)

95.8%

b-factor

0.3

EUR

732,952 BBL

R-squared

0.898

type

hyperbolic

Operator History (from monthly production reports)

2023-11 — 2026-07 BROWNING OIL COMPANY, INC. 33 mo
2019-11 — 2023-10 CLEAR FORK, INCORPORATED 48 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HBROWNING OIL COMPANY, INC.27,5002019-06-27