KATZFEY

Oil // district 2 // lease#8134

op: U.S. ENERCORP, LTD.

cum_oil

277k BBL

cum_gas

0 MCF

wells

4

production

1995-12 — 2026-03

peak_month

2011-10

-- production_history

cum_oil: 277,272 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,206 BBL/mo

Di (annual)

75.1%

b-factor

0.5

EUR

97,327 BBL

R-squared

0.962

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4MCGOWAN WORKING PARTNERS, INC.13,2002011-06-15
1AU.S. ENERCORP, LLC29,5002011-03-25
3U.S. ENERCORP, LLC13,0001997-07-03
1U.S. ENERCORP, LLC13,8001995-12-01
EOF // data source: Texas Railroad Commission // 2026