H.S. RATLIFF 85-17A

Oil · District 08 · Lease #59003

Operator: CONTINENTAL RESOURCES, INC.

Cum Oil

343k BBL

Cum Gas

624k MCF

casinghead

Wells

1

Production

2022-12 — 2026-04

Peak Month

2023-01

Production History

Cum Oil: 343,147 BBL Cum Gas: 623,788 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

20,530 BBL/mo

Di (annual)

77.1%

b-factor

0.2

EUR

399,493 BBL

R-squared

0.877

type

hyperbolic

Operator History (from monthly production reports)

2022-12 — 2026-07 CONTINENTAL RESOURCES, INC. 44 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HCONTINENTAL RESOURCES, INC.111,7582022-05-18