HERZOG

Oil // district 11 // lease#69297

op: SHENANDOAH PETROLEUM CORPORATION

cum_oil

14k BBL

cum_gas

0 MCF

wells

1

production

2008-10 — 2014-02

peak_month

2008-11

-- production_history

cum_oil: 14,451 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,326 BBL/mo

Di (annual)

530.5%

b-factor

1.1

EUR

20,326 BBL

R-squared

0.648

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SHENANDOAH PETROLEUM CORPORATION29,9502012-10-24
EOF // data source: Texas Railroad Commission // 2026