< leases

STEPP-HURST 110 UN.

Oil · District 09 · Lease #28903

Operator: KEY ENERGY OF COLORADO, INC.

Fields: STEPP (CHAPPEL)

Cum Oil

740k BBL

Cum Gas

31k MCF

casinghead

Wells

2

Production

1994-12 — 2023-09

Peak Month

1999-12

Production History

Cum Oil: 740,228 BBL Cum Gas: 30,831 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,618 BBL/mo

Di (annual)

13.6%

b-factor

0.0

EUR

230,828 BBL

R-squared

0.398

type

exponential

Operator History (from monthly production reports)

2020-07 — 2026-07 ASSENT ENERGY PARTNERS, LLC 73 mo
2015-03 — 2020-06 EAGLE HYDROCARBONS INC. 64 mo
2014-09 — 2015-02 EAGLE HYDROCARBONS (TEXAS) INC. 6 mo
2013-12 — 2014-08 EAGLE ENERGY ACQUISITIONS LP 9 mo
1997-11 — 2013-11 KEY ENERGY OF COLORADO, INC. 193 mo
1997-08 — 1997-10 ENSERCH EXPLORATION, INC 3 mo
1995-03 — 1997-07 ENSERCH OIL & GAS, INC. 29 mo
1994-12 — 1995-02 EP OPERATING LIMITED PARTNERSHIP 3 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SW42-197-31720ASSENT ENERGY PARTNERS LLC29,3002015-01-22
142-197-31307ASSENT ENERGY PARTNERS, LLC29,0002014-10-21