BRACKEN, J. A. 503

Oil // district 5 // lease#3733

op: UNION OIL COMPANY OF CALIFORNIA

fields: VAN (SHALLOW)

cum_oil

58k BBL

cum_gas

0 MCF

wells

5

production

2002-02 — 2026-03

peak_month

2003-08

-- production_history

cum_oil: 57,889 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,243 BBL/mo

Di (annual)

154.5%

b-factor

1.0

EUR

42,121 BBL

R-squared

0.820

type

hyperbolic

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
16UNOCAL EXPLORATION CORPORATION32,9002003-04-04
8UNION OIL COMPANY OF CALIFORNIA22,5002003-03-07
12UNION OIL COMPANY OF CALIFORNIA22,4802002-07-18
15UNOCAL EXPLORATION CORPORATION32,9002002-04-08
9UNION OIL COMPANY OF CALIFORNIA43,1902002-02-14
EOF // data source: Texas Railroad Commission // 2026