BRACKEN, J. A. 35

Oil // district 5 // lease#3167

op: UNION OIL COMPANY OF CALIFORNIA

cum_oil

270k BBL

cum_gas

0 MCF

wells

13

production

1993-01 — 2026-03

peak_month

1993-01

-- production_history

cum_oil: 270,264 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,763 BBL/mo

Di (annual)

9.1%

b-factor

0.0

EUR

229,986 BBL

R-squared

0.495

type

exponential

-- wells (13)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1UNION OIL COMPANY OF CALIFORNIA23,0002024-12-19
8UNION EXPL. PARTNERS, LTD.22,9932024-08-28
4UNOCAL EXPLORATION CORPORATION22,9972024-08-21
10UNOCAL EXPLORATION CORPORATION43,0122024-07-26
16UNION OIL COMPANY OF CALIFORNIA22,5052022-12-01
15UNION OIL COMPANY OF CALIFORNIA34,4002009-01-08
19UNION OIL COMPANY OF CALIFORNIA22,4502000-05-18
20UNION OIL COMPANY OF CALIFORNIA12,5001997-05-20
6UNION OIL COMPANY OF CALIFORNIA12,9861997-02-06
2UNION OIL COMPANY OF CALIFORNIA13,0021996-05-14
18UNION OIL COMPANY OF CALIFORNIA12,5251996-02-05
17UNOCAL EXPLORATION CORPORATION12,9001991-12-23
12UNION EXPL. PARTNERS, LTD.12,4851987-09-14
EOF // data source: Texas Railroad Commission // 2026