CHAPMAN, J.O.

Oil · District 04 · Lease #12711

Operator: SHELL WESTERN E&P INC.

Cum Oil

18k BBL

Cum Gas

59k MCF

casinghead

Wells

1

Production

1997-09 — 2002-12

Peak Month

1997-12

Production History

Cum Oil: 18,140 BBL Cum Gas: 59,352 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,734 BBL/mo

Di (annual)

167.6%

b-factor

0.3

EUR

17,660 BBL

R-squared

0.752

type

hyperbolic

Operator History (from monthly production reports)

2002-05 — 2004-04 NEG OPERATING LLC 24 mo
1999-09 — 2002-04 SHANA PETROLEUM COMPANY 32 mo
1997-09 — 1999-08 SHELL WESTERN E&P INC. 24 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
95DECKER OPERATING CO. L.L.C.16,9501997-10-01