SPEARMAN, ROBT. "B"

Oil // district 3 // lease#24263

op: WILDHORSE RESOURCES MNGT CO, LLC

cum_oil

225k BBL

cum_gas

0 MCF

wells

1

production

2001-07 — 2026-03

peak_month

2001-09

-- production_history

cum_oil: 225,169 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

5,601 BBL/mo

Di (annual)

120.0%

b-factor

1.0

EUR

230,278 BBL

R-squared

0.629

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HUNION PACIFIC RESOURCES COMPANY38,3002002-10-16
EOF // data source: Texas Railroad Commission // 2026