UNIVERSITY -2-

Oil // district 10 // lease#36659

op: WHITING OIL AND GAS CORPORATION

cum_oil

255k BBL

cum_gas

0 MCF

wells

9

production

2000-12 — 2026-03

peak_month

2006-07

-- production_history

cum_oil: 255,424 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,801 BBL/mo

Di (annual)

23.7%

b-factor

0.4

EUR

219,442 BBL

R-squared

0.937

type

hyperbolic

-- wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8WHITING OIL AND GAS CORPORATION18,1002007-07-03
206WHITING OIL AND GAS CORPORATION18,1002006-01-19
207WHITING OIL AND GAS CORPORATION28,1002006-01-05
3UNION TEXAS PETROLEUM CORP.47,0751999-10-26
1BUNION TEXAS PETROLEUM CORP.28,0001988-08-29
5UNION TEXAS PETROLEUM CORP.28,2001987-03-30
4UNION TEXAS PETROLEUM CORP.18,2001984-08-08
1D42-003-05638--------
242-003-11056--------
EOF // multi-state drilling data platform // 2026