BARBARA

Oil // district 3 // lease#20874

op: U. S. OPERATING, INC.

cum_oil

76k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2026-03

peak_month

2001-01

-- production_history

cum_oil: 75,830 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

4,312 BBL/mo

Di (annual)

164.1%

b-factor

0.6

EUR

73,089 BBL

R-squared

0.659

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1U. S. RESOURCES, INC.410,0002005-09-01
1REU. S. RESOURCES, INC.410,0002005-09-01
EOF // data source: Texas Railroad Commission // 2026