KEMP-DERRICK UNIT

Oil · District 09 · Lease #30070

Operator: WESTERN CHIEF OPERATING, L.L.C.

Fields: MATLOCK

Cum Oil

1k BBL

Cum Gas

0 MCF

Wells

1

Production

2002-08 — 2006-03

Peak Month

2002-08

Production History

Cum Oil: 1,476 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

101 BBL/mo

Di (annual)

107.4%

b-factor

0.4

EUR

1,762 BBL

R-squared

0.710

type

hyperbolic

Operator History (from monthly production reports)

2008-03 — 2008-03 WESTERN CHIEF OPERATING, L.L.C. 1 mo
2002-08 — 2008-02 WESTERN CHIEF OIL & GAS COMPANY 67 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WESTERN CHIEF OPERATING L.L.C.25,7002025-07-18