IRVIN FAMILY UNIT D

Oil // district 1 // lease#16381

op: SILVERBOW RESOURCES OPER, LLC

cum_oil

49k BBL

cum_gas

0 MCF

wells

2

production

2010-11 — 2026-03

peak_month

2012-02

-- production_history

cum_oil: 49,142 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,524 BBL/mo

Di (annual)

80.9%

b-factor

0.5

EUR

43,085 BBL

R-squared

0.605

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HCHEYENNE PETROLEUM COMPANY28,7002010-04-19
2CHEYENNE PETROLEUM COMPANY28,7002010-04-19
EOF // multi-state drilling data platform // 2026