BURRELL

Oil // district 13 // lease#24153

op: ST. MARY OPERATING COMPANY

cum_oil

34k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2026-03

peak_month

2007-05

-- production_history

cum_oil: 34,129 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

222 BBL/mo

Di (annual)

82.8%

b-factor

0.2

EUR

3,965 BBL

R-squared

0.354

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3ST. MARY LAND & EXPLORATION CO.19,0002007-02-07
2VOLVO PETROLEUM, INC37,2001988-01-04
1VOLVO PETROLEUM, INC27,2001985-09-19
EOF // data source: Texas Railroad Commission // 2026