CUMBIE, J. E. 32

Oil // district 5 // lease#1159

op: UNION OIL COMPANY OF CALIFORNIA

fields: VAN

cum_oil

160k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2026-03

peak_month

1993-05

-- production_history

cum_oil: 160,267 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

5,922 BBL/mo

Di (annual)

91.0%

b-factor

0.6

EUR

174,277 BBL

R-squared

0.863

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5UNION OIL COMPANY OF CALIFORNIA23,1501993-06-03
2UNOCAL EXPLORATION CORPORATION12,9501990-11-16
142-467-00600--------
EOF // data source: Texas Railroad Commission // 2026