BARBER -1-

Oil // district 10 // lease#36190

op: WHITING OIL AND GAS CORPORATION

cum_oil

152k BBL

cum_gas

0 MCF

wells

8

production

2000-02 — 2026-03

peak_month

2000-07

-- production_history

cum_oil: 151,611 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,597 BBL/mo

Di (annual)

21.8%

b-factor

0.0

EUR

142,912 BBL

R-squared

0.849

type

exponential

-- wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8WHITING OIL AND GAS CORPORATION17,8502005-12-06
7DEVON SFS OPERATING, INC.18,3002001-01-16
6DEVON SFS OPERATING, INC.18,3002000-11-27
5SANTA FE SNYDER CORPORATION18,0002000-03-10
3SANTA FE ENERGY RESOURCES, INC.18,3001999-09-01
4SANTA FE ENERGY RESOURCES, INC.18,3001999-09-01
2SANTA FE ENERGY RESOURCES, INC.28,0001999-06-11
1SANTA FE ENERGY RESOURCES, INC.18,0001999-05-18
EOF // multi-state drilling data platform // 2026