< leases

SANDERS

Oil · District 10 · Lease #4189

Operator: UNBRIDLED RESOURCES, LLC

Fields: HANSFORD (HEPLER)

Cum Oil

85k BBL

Cum Gas

1.6M MCF

casinghead

Wells

5

Production

1993-01 — 2023-08

Peak Month

2002-12

Production History

Cum Oil: 84,732 BBL Cum Gas: 1,632,777 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

638 BBL/mo

Di (annual)

12.5%

b-factor

0.0

EUR

61,322 BBL

R-squared

0.689

type

exponential

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
2002-11 — 2014-10 CHESAPEAKE OPERATING, INC. 144 mo
2000-01 — 2002-10 HORIZON NATURAL GAS COMPANY 34 mo
1996-11 — 1999-12 HORIZON NATURAL RESOURCES, INC. 38 mo
1995-01 — 1996-10 SONAT EXPLORATION COMPANY-MCR 22 mo
1993-01 — 1994-12 HORIZON OIL & GAS CO. 24 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
A 142-195-30638UNBRIDLED RESOURCES LLC16,5001978-04-07
442-195-30628UNBRIDLED RESOURCES LLC16,5001978-02-01
342-195-30609UNBRIDLED RESOURCES LLC16,5001977-10-27
242-195-30590UNBRIDLED RESOURCES LLC16,5001977-08-19
142-195-30290UNBRIDLED RESOURCES LLC------