IRVIN FAMILY UNIT A

Oil // district 1 // lease#15729

op: SILVERBOW RESOURCES OPER, LLC

cum_oil

1.2M BBL

cum_gas

0 MCF

wells

5

production

2011-04 — 2026-03

peak_month

2017-09

-- production_history

cum_oil: 1,159,393 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

26,341 BBL/mo

Di (annual)

41.3%

b-factor

0.2

EUR

956,271 BBL

R-squared

0.678

type

hyperbolic

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HCHEYENNE PETROLEUM COMPANY18,5292017-02-02
5HCHEYENNE PETROLEUM COMPANY18,5292017-02-02
2HCHEYENNE PETROLEUM COMPANY18,5292017-01-25
3HCHEYENNE PETROLEUM COMPANY18,5292017-01-25
1HCHEYENNE PETROLEUM COMPANY38,5002010-08-02
EOF // multi-state drilling data platform // 2026