UNOCAL '940'

Oil // district 11 // lease#66922

op: YATES ENERGY CORPORATION

cum_oil

173k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2026-03

peak_month

1997-07

-- production_history

cum_oil: 172,937 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,266 BBL/mo

Di (annual)

11.7%

b-factor

0.0

EUR

129,526 BBL

R-squared

0.749

type

exponential

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2YATES ENERGY CORPORATION18,3001997-03-26
1YATES ENERGY CORPORATION28,3001994-12-14
EOF // data source: Texas Railroad Commission // 2026