CHERYL

Oil // district 3 // lease#12606

op: U. S. OPERATING, INC.

cum_oil

92k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2026-03

peak_month

2001-01

-- production_history

cum_oil: 91,686 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,074 BBL/mo

Di (annual)

104.6%

b-factor

1.0

EUR

48,976 BBL

R-squared

0.415

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1U. S. RESOURCES, INC.210,0002001-09-10
2U. S. OPERATING, INC.38,5001999-11-16
2REU. S. OPERATING, INC.38,5001999-11-16
EOF // data source: Texas Railroad Commission // 2026