SEALY & SMITH -72-

Oil // district 10 // lease#25638

op: SHERIDAN PRODUCTION COMPANY, LLC

cum_oil

96k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2013-05

peak_month

2000-04

-- production_history

cum_oil: 95,621 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

783 BBL/mo

Di (annual)

16.8%

b-factor

0.0

EUR

55,887 BBL

R-squared

0.536

type

exponential

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3RIAL OIL CO.19,0001980-02-27
1RIAL OIL CO.19,1001979-09-27
2RIAL OIL CO.19,1001979-09-27
EOF // data source: Texas Railroad Commission // 2026