SPACEK, FRANK

Oil // district 2 // lease#8091

op: UNION OIL COMPANY OF CALIFORNIA

cum_oil

118k BBL

cum_gas

0 MCF

wells

3

production

1995-05 — 2026-03

peak_month

1996-05

-- production_history

cum_oil: 118,240 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,141 BBL/mo

Di (annual)

21.0%

b-factor

0.5

EUR

109,635 BBL

R-squared

0.606

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2UNION OIL COMPANY OF CALIFORNIA46,8152018-03-28
6SYNERGY OIL & GAS, INC. (A)26,0512007-10-17
8UNION OIL COMPANY OF CALIFORNIA66,4402001-08-31
EOF // data source: Texas Railroad Commission // 2026