SORRELL

Oil // district 3 // lease#15190

op: VIPER S.W.D., LLC

cum_oil

6k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2026-03

peak_month

2001-05

-- production_history

cum_oil: 6,249 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

367 BBL/mo

Di (annual)

585.0%

b-factor

0.6

EUR

1,718 BBL

R-squared

0.716

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11NELSON & TUCKER OPERATING CO.16,0001981-02-02
EOF // data source: Texas Railroad Commission // 2026