CHAPMAN, J. O.

Oil · District 04 · Lease #7598

Operator: TEXACO E & P INC.

Cum Oil

10k BBL

Cum Gas

4k MCF

casinghead

Wells

2

Production

1993-01 — 1996-03

Peak Month

1995-01

Production History

Cum Oil: 10,283 BBL Cum Gas: 4,322 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

369 BBL/mo

Di (annual)

267.3%

b-factor

2.0

EUR

25,503 BBL

R-squared

0.546

type

hyperbolic

Operator History (from monthly production reports)

2004-06 — 2006-10 DECKER OPERATING CO., L.L.C. 29 mo
2002-05 — 2004-05 NEG OPERATING LLC 25 mo
1999-09 — 2002-04 SHANA PETROLEUM COMPANY 32 mo
1996-04 — 1999-08 SHELL WESTERN E&P INC. 41 mo
1994-08 — 1996-03 ROYAL PRODUCTION COMPANY, INC. 20 mo
1993-01 — 1994-07 TEXACO E & P INC. 19 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
42SHANA PETROLEUM COMPANY24,3602001-05-17
49DECKER OPERATING CO., L.L.C.27,7451999-11-23