THOMPSON, I. W. 401

Oil // district 5 // lease#3187

op: UNION OIL COMPANY OF CALIFORNIA

cum_oil

502k BBL

cum_gas

0 MCF

wells

16

production

1993-01 — 2026-03

peak_month

1993-10

-- production_history

cum_oil: 501,707 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,557 BBL/mo

Di (annual)

14.2%

b-factor

0.0

EUR

215,350 BBL

R-squared

0.338

type

exponential

-- wells (16)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8UNION OIL COMPANY OF CALIFORNIA33,0042025-03-10
19UNOCAL EXPLORATION CORPORATION33,1502013-12-13
15UNION OIL COMPANY OF CALIFORNIA33,1102013-12-09
24UNION OIL COMPANY OF CALIFORNIA33,0102005-01-24
12UNION OIL COMPANY OF CALIFORNIA32,4402002-10-01
16UNION OIL COMPANY OF CALIFORNIA32,4252002-10-01
17UNION OIL COMPANY OF CALIFORNIA23,0462002-04-15
27UNION OIL COMPANY OF CALIFORNIA32,4502002-04-08
21UNOCAL EXPLORATION CORPORATION22,9002001-02-23
22UNOCAL EXPLORATION CORPORATION22,9002000-08-11
26UNION OIL COMPANY OF CALIFORNIA23,0002000-06-07
6UNION OIL COMPANY OF CALIFORNIA12,6002000-02-02
14UNION OIL COMPANY OF CALIFORNIA22,9751997-03-25
23UNION OIL COMPANY OF CALIFORNIA16,0001993-06-28
20UNOCAL EXPLORATION CORPORATION12,9001991-07-29
11UNION EXPL. PARTNERS, LTD.12,3501987-09-14
EOF // data source: Texas Railroad Commission // 2026