CHAPMAN, J. O.

Oil · District 04 · Lease #12906

Operator: SHANA PETROLEUM COMPANY

Cum Oil

13k BBL

Cum Gas

5k MCF

casinghead

Wells

1

Production

2000-02 — 2004-11

Peak Month

2000-06

Production History

Cum Oil: 12,863 BBL Cum Gas: 5,326 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

814 BBL/mo

Di (annual)

91.3%

b-factor

0.0

EUR

10,693 BBL

R-squared

0.848

type

exponential

Operator History (from monthly production reports)

2004-06 — 2008-04 DECKER OPERATING CO., L.L.C. 47 mo
2002-05 — 2004-05 NEG OPERATING LLC 25 mo
2000-02 — 2002-04 SHANA PETROLEUM COMPANY 27 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
84DECKER OPERATING CO. L.L.C.57,5572000-01-20