CHAPMAN RANCH

Oil · District 04 · Lease #13508

Operator: DECKER OPERATING CO., L.L.C.

Cum Oil

1k BBL

Cum Gas

74k MCF

casinghead

Wells

1

Production

2008-06 — 2015-07

Peak Month

2008-07

Production History

Cum Oil: 1,454 BBL Cum Gas: 74,323 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

124 BBL/mo

Di (annual)

490.4%

b-factor

1.0

EUR

1,464 BBL

R-squared

0.613

type

hyperbolic

Operator History (from monthly production reports)

2008-06 — 2024-06 DECKER OPERATING CO., L.L.C. 193 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
239DECKER OPERATING CO. L.L.C.27,0002008-04-08