DUBE

Oil // district 11 // lease#68717

op: SHENANDOAH RESOURCES LLC

cum_oil

43k BBL

cum_gas

0 MCF

wells

1

production

2004-09 — 2026-03

peak_month

2010-04

-- production_history

cum_oil: 43,155 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

935 BBL/mo

Di (annual)

59.6%

b-factor

0.2

EUR

23,423 BBL

R-squared

0.539

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MARSHALL & WINSTON, INC.110,5002004-07-14
EOF // data source: Texas Railroad Commission // 2026