HOUSTON

Oil · District 09 · Lease #28731

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

Cum Oil

138k BBL

Cum Gas

120k MCF

casinghead

Wells

2

Production

1994-01 — 2016-05

Peak Month

1994-08

Production History

Cum Oil: 137,510 BBL Cum Gas: 120,041 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,931 BBL/mo

Di (annual)

62.4%

b-factor

0.3

EUR

80,156 BBL

R-squared

0.731

type

hyperbolic

Operator History (from monthly production reports)

2008-03 — 2026-07 WESTERN CHIEF OPERATING, L.L.C. 221 mo
2005-03 — 2008-02 WESTERN CHIEF OIL & GAS COMPANY 36 mo
1994-01 — 2005-02 MCCUTCHIN, JERRY 134 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WESTERN CHIEF OPERATING L.L.C.28,0001996-06-13
2WESTERN CHIEF OPERATING L.L.C.18,0001994-06-16