ROCKER "B" RANCH

Oil // district 9 // lease#11101

op: VIOLA PROD., INC.

cum_oil

95 BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2003-08

peak_month

1993-02

-- production_history

cum_oil: 95 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

23 BBL/mo

Di (annual)

422.6%

b-factor

0.7

EUR

137 BBL

R-squared

0.487

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1LAVANCO ENERGY, LTD.49,4502010-06-04
EOF // data source: Texas Railroad Commission // 2026