ERWIN

Oil // district 13 // lease#34008

op: KODIAK OIL & GAS, INC.

cum_oil

112k BBL

cum_gas

0 MCF

wells

4

production

2020-10 — 2026-03

peak_month

2022-07

-- production_history

cum_oil: 111,545 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,989 BBL/mo

Di (annual)

43.6%

b-factor

2.0

EUR

467,185 BBL

R-squared

0.914

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4BEND PETROLEUM CORP.15,5002022-04-07
3BEND PETROLEUM CORP.15,5002022-03-01
2BEND PETROLEUM CORP.15,0002021-02-18
1WFW PRODUCTION COMPANY, INC.24,9992019-05-13
EOF // data source: Texas Railroad Commission // 2026