CHAPMAN, J. O.

Oil · District 04 · Lease #12775

Operator: SHELL WESTERN E&P INC.

Cum Oil

6k BBL

Cum Gas

5k MCF

casinghead

Wells

1

Production

1998-05 — 2000-11

Peak Month

1999-04

Production History

Cum Oil: 5,679 BBL Cum Gas: 5,146 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

283 BBL/mo

Di (annual)

77.4%

b-factor

0.0

EUR

4,373 BBL

R-squared

0.340

type

exponential

Operator History (from monthly production reports)

1999-09 — 2001-01 SHANA PETROLEUM COMPANY 17 mo
1998-05 — 1999-08 SHELL WESTERN E&P INC. 16 mo

Wells (1)

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