< leases

HURST 10

Oil · District 09 · Lease #28991

Operator: KEY ENERGY OF COLORADO, INC.

Fields: STEPP (CHAPPEL)

Cum Oil

285k BBL

Cum Gas

9k MCF

casinghead

Wells

1

Production

1995-05 — 2026-04

Peak Month

1995-07

Production History

Cum Oil: 284,909 BBL Cum Gas: 8,646 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,128 BBL/mo

Di (annual)

3.2%

b-factor

0.0

EUR

335,944 BBL

R-squared

0.348

type

exponential

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
1997-11 — 2013-11 KEY ENERGY OF COLORADO, INC. 193 mo
1995-05 — 1997-10 ENSERCH EXPLORATION, INC 30 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-197-31328ASSENT ENERGY PARTNERS, LLC28,8501995-04-05