THOMPSON, I. W. 401

Oil // district 5 // lease#3736

op: UNION OIL COMPANY OF CALIFORNIA

fields: VAN (SHALLOW)

cum_oil

82k BBL

cum_gas

0 MCF

wells

7

production

2002-05 — 2026-03

peak_month

2003-01

-- production_history

cum_oil: 81,502 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,459 BBL/mo

Di (annual)

38.3%

b-factor

0.4

EUR

73,234 BBL

R-squared

0.929

type

hyperbolic

-- wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
19UNOCAL EXPLORATION CORPORATION33,1502013-12-13
15UNION OIL COMPANY OF CALIFORNIA33,1102013-12-09
12UNION OIL COMPANY OF CALIFORNIA32,4402002-10-01
16UNION OIL COMPANY OF CALIFORNIA32,4252002-10-01
25UNION OIL COMPANY OF CALIFORNIA21,8502002-06-25
27UNION OIL COMPANY OF CALIFORNIA32,4502002-04-08
4UNION OIL COMPANY OF CALIFORNIA12,8002002-04-08
EOF // data source: Texas Railroad Commission // 2026