VAUGHN "B"

Oil · District 06 · Lease #12733

Operator: WINCHESTER PRODUCTION COMPANY

Cum Oil

32k BBL

Cum Gas

49k MCF

casinghead

Wells

1

Production

1993-01 — 2007-08

Peak Month

1994-05

Production History

Cum Oil: 31,593 BBL Cum Gas: 48,500 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

344 BBL/mo

Di (annual)

10.3%

b-factor

0.0

EUR

39,901 BBL

R-squared

0.561

type

exponential

Operator History (from monthly production reports)

2010-01 — 2012-02 EXCO OPERATING COMPANY, LP 26 mo
2008-07 — 2009-12 EXCO PRODUCTION COMPANY, LP 18 mo
2007-05 — 2008-06 WINCHESTER PRODUCTION CO., LTD. 14 mo
1993-01 — 2007-04 WINCHESTER PRODUCTION COMPANY 172 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WINCHESTER PRODUCTION CO., LTD.29,6301990-07-18