BARNSLEY -A-

Oil // district 10 // lease#17746

op: VIOLA PROD., INC.

cum_oil

828 BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2026-03

peak_month

1995-10

-- production_history

cum_oil: 828 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

209 BBL/mo

Di (annual)

950.0%

b-factor

0.1

EUR

304 BBL

R-squared

0.782

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2LAVANCO ENERGY, INC.13,0002001-11-13
142-103-10251--------
EOF // data source: Texas Railroad Commission // 2026