JOAN

Oil // district 3 // lease#25233

op: U. S. OPERATING, INC.

cum_oil

29k BBL

cum_gas

0 MCF

wells

2

production

2008-09 — 2026-03

peak_month

2010-12

-- production_history

cum_oil: 29,110 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

808 BBL/mo

Di (annual)

67.4%

b-factor

0.4

EUR

23,542 BBL

R-squared

0.758

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2U. S. OPERATING, INC.28,9002010-06-21
1U. S. RESOURCES, INC.210,0002008-04-07
EOF // data source: Texas Railroad Commission // 2026