SPELLMAN UNIT

Oil // district 8 // lease#32140

op: MARSHALL R. YOUNG OPERATING, LLC

fields: BLAIR

cum_oil

8k BBL

cum_gas

0 MCF

wells

1

production

2017-03 — 2022-11

peak_month

2017-08

-- production_history

cum_oil: 7,573 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,403 BBL/mo

Di (annual)

600.0%

b-factor

0.7

EUR

8,348 BBL

R-squared

0.747

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MARSHALL R. YOUNG OPERATING, LLC15,9992016-10-18
EOF // data source: Texas Railroad Commission // 2026