BIG TEX NORTH

Oil // district 10 // lease#41551

op: WHITING OIL AND GAS CORPORATION

cum_oil

134k BBL

cum_gas

0 MCF

wells

3

production

2011-03 — 2026-03

peak_month

2012-04

-- production_history

cum_oil: 134,079 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

6,110 BBL/mo

Di (annual)

130.8%

b-factor

0.7

EUR

150,901 BBL

R-squared

0.747

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1501WHITING OIL AND GAS CORPORATION310,5002014-04-29
301WHITING OIL AND GAS CORPORATION210,4002011-05-04
1351WHITING OIL AND GAS CORPORATION211,0002010-10-06
EOF // data source: Texas Railroad Commission // 2026