CORA

Oil // district 3 // lease#22786

op: U. S. OPERATING, INC.

cum_oil

171k BBL

cum_gas

0 MCF

wells

4

production

1995-07 — 2026-03

peak_month

2004-08

-- production_history

cum_oil: 170,834 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,617 BBL/mo

Di (annual)

93.2%

b-factor

0.8

EUR

100,768 BBL

R-squared

0.577

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2U. S. OPERATING, INC.210,1002004-06-17
2REU. S. OPERATING, INC.210,1002004-06-17
1HU. S. OPERATING, INC.29,4002000-04-21
1REU. S. OPERATING, INC.29,4002000-04-21
EOF // data source: Texas Railroad Commission // 2026