MCDONALD 19

Oil // district 10 // lease#45624

op: SMC OIL & GAS, INC.

cum_oil

28k BBL

cum_gas

0 MCF

wells

1

production

2013-11 — 2026-03

peak_month

2014-01

-- production_history

cum_oil: 27,751 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,654 BBL/mo

Di (annual)

189.8%

b-factor

0.7

EUR

29,137 BBL

R-squared

0.656

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BIG STAR OIL & GAS, LLC212,0002013-07-29
EOF // data source: Texas Railroad Commission // 2026