DIRK

Oil // district 3 // lease#15399

op: U. S. OPERATING, INC.

cum_oil

71k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2026-03

peak_month

1993-08

-- production_history

cum_oil: 70,724 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,079 BBL/mo

Di (annual)

22.2%

b-factor

0.0

EUR

58,203 BBL

R-squared

0.346

type

exponential

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1U. S. OPERATING, INC.39,1002007-07-03
2U. S. OPERATING, INC.39,0002004-12-20
2REU. S. OPERATING, INC.39,0002004-12-20
EOF // data source: Texas Railroad Commission // 2026