SEXTON-MULLAN UNIT

Oil // district 4 // lease#12076

op: WHITING PETROLEUM CORPORATION

cum_oil

40k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2013-03

peak_month

1993-01

-- production_history

cum_oil: 39,885 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

501 BBL/mo

Di (annual)

24.9%

b-factor

0.4

EUR

37,466 BBL

R-squared

0.662

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SEXTON OIL & MINERALS CORP.38,1001992-07-28
EOF // data source: Texas Railroad Commission // 2026