< leases

BRILLHART "854"

Oil · District 10 · Lease #6498

Operator: UNBRIDLED RESOURCES, LLC

Fields: PAINE (MORROW, UPPER)

Cum Oil

54k BBL

Cum Gas

555k MCF

casinghead

Wells

3

Production

1993-01 — 2006-05

Peak Month

1993-01

Production History

Cum Oil: 53,973 BBL Cum Gas: 554,632 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,354 BBL/mo

Di (annual)

36.0%

b-factor

0.2

EUR

56,207 BBL

R-squared

0.952

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
2002-11 — 2014-10 CHESAPEAKE OPERATING, INC. 144 mo
2001-04 — 2002-10 HORIZON NATURAL GAS COMPANY 19 mo
2000-04 — 2001-03 DEVON ENERGY PRODUCTION CO, L.P. 12 mo
1997-01 — 2000-03 DEVON ENERGY CORPORATION(NEVADA) 39 mo
1993-01 — 1996-12 KERR-MCGEE CORPORATION 48 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
542-295-31828UNBRIDLED RESOURCES LLC19,0001988-11-08
442-295-31756KERR-MCGEE CORPORATION19,7501987-08-13
342-295-31743KERR-MCGEE CORPORATION19,7501987-06-01