KEYSTONE CATTLE CO.

Oil // district 10 // lease#38024

op: WHITING OIL AND GAS CORPORATION

cum_oil

107k BBL

cum_gas

0 MCF

wells

5

production

2006-10 — 2026-03

peak_month

2007-05

-- production_history

cum_oil: 107,043 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,381 BBL/mo

Di (annual)

16.9%

b-factor

0.0

EUR

98,087 BBL

R-squared

0.691

type

exponential

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
472WHITING OIL AND GAS CORPORATION29,9002025-04-10
443WHITING OIL AND GAS CORPORATION311,5002012-11-09
467WHITING OIL AND GAS CORPORATION27,9002012-08-23
500WHITING OIL AND GAS CORPORATION311,5002006-12-22
457WHITING OIL AND GAS CORPORATION311,2502006-11-17
EOF // multi-state drilling data platform // 2026