CHAPMAN, J. O.

Oil · District 04 · Lease #12969

Operator: SHANA PETROLEUM COMPANY

Cum Oil

10k BBL

Cum Gas

3k MCF

casinghead

Wells

1

Production

2000-11 — 2005-01

Peak Month

2000-12

Production History

Cum Oil: 9,898 BBL Cum Gas: 3,489 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

818 BBL/mo

Di (annual)

122.0%

b-factor

0.1

EUR

8,925 BBL

R-squared

0.859

type

hyperbolic

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
2000-11 — 2002-04 SHANA PETROLEUM COMPANY 18 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
53DECKER OPERATING CO., L.L.C.58,0002009-07-08