HARBAUGH

Oil · District 10 · Lease #6557

Operator: UNBRIDLED RESOURCES, LLC

Cum Oil

8k BBL

Cum Gas

468k MCF

casinghead

Wells

2

Production

1993-01 — 2011-01

Peak Month

1995-03

Production History

Cum Oil: 7,804 BBL Cum Gas: 468,012 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

276 BBL/mo

Di (annual)

365.0%

b-factor

0.5

EUR

1,715 BBL

R-squared

0.930

type

hyperbolic

Operator History (from monthly production reports)

2020-11 — 2026-07 UNBRIDLED RESOURCES, LLC 69 mo
2016-07 — 2020-10 4P ENERGY TEXAS, LLC 52 mo
2014-11 — 2016-06 CHESAPEAKE OPERATING, L.L.C. 20 mo
2002-02 — 2014-10 CHESAPEAKE OPERATING, INC. 153 mo
1999-09 — 2002-01 SAPIENT ENERGY CORP 29 mo
1993-01 — 1999-08 PLAINS PETROLEUM OPERATING CO. 80 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
22UNBRIDLED RESOURCES LLC28,8501994-07-15
14UNBRIDLED RESOURCES LLC19,0001985-10-08