< leases

HURST #4

Oil · District 09 · Lease #30043

Operator: KEY ENERGY OF COLORADO, INC.

Fields: STEPP (CHAPPEL)

Cum Oil

245k BBL

Cum Gas

1k MCF

casinghead

Wells

1

Production

2002-01 — 2026-04

Peak Month

2002-01

Production History

Cum Oil: 245,240 BBL Cum Gas: 1,002 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,038 BBL/mo

Di (annual)

66.7%

b-factor

1.4

EUR

275,519 BBL

R-squared

0.924

type

hyperbolic

Operator History (from monthly production reports)

2020-07 — 2026-07 ASSENT ENERGY PARTNERS, LLC 73 mo
2015-04 — 2020-06 EAGLE HYDROCARBONS INC. 63 mo
2014-09 — 2015-03 EAGLE HYDROCARBONS (TEXAS) INC. 7 mo
2013-12 — 2014-08 EAGLE ENERGY ACQUISITIONS LP 9 mo
2002-01 — 2013-11 KEY ENERGY OF COLORADO, INC. 143 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
442-197-30453ASSENT ENERGY PARTNERS, LLC39,0002000-11-02