COLEMAN

Oil · District 06 · Lease #12579

Operator: WINCHESTER PRODUCTION COMPANY

Cum Oil

4k BBL

Cum Gas

21 MCF

casinghead

Wells

1

Production

1993-01 — 1999-08

Peak Month

1998-08

Production History

Cum Oil: 3,531 BBL Cum Gas: 21 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

85 BBL/mo

Di (annual)

695.5%

b-factor

0.4

EUR

232 BBL

R-squared

0.612

type

hyperbolic

Operator History (from monthly production reports)

1993-01 — 2001-02 WINCHESTER PRODUCTION COMPANY 98 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WINCHESTER PRODUCTION COMPANY26,7001989-09-27