MACKEY

Oil · District 08 · Lease #28367

Operator: BYRD OPERATING COMPANY

Cum Oil

128k BBL

Cum Gas

321k MCF

casinghead

Wells

2

Production

1993-01 — 2009-03

Peak Month

2000-08

Production History

Cum Oil: 127,662 BBL Cum Gas: 321,067 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,017 BBL/mo

Di (annual)

19.7%

b-factor

2.0

EUR

220,062 BBL

R-squared

0.625

type

hyperbolic

Operator History (from monthly production reports)

1993-01 — 2009-08 BYRD OPERATING COMPANY 200 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2ENDEAVOR ENERGY RESOURCES L.P.411,0002015-07-02
1ENDEAVOR ENERGY RESOURCES L.P.410,7502015-06-09