SWAIN, W. F. 9

Oil // district 5 // lease#1191

op: UNION OIL COMPANY OF CALIFORNIA

fields: VAN

cum_oil

27k BBL

cum_gas

0 MCF

wells

8

production

1993-01 — 2026-03

peak_month

2021-03

-- production_history

cum_oil: 26,943 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

334 BBL/mo

Di (annual)

352.1%

b-factor

1.1

EUR

7,009 BBL

R-squared

0.725

type

hyperbolic

-- wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3UNION OIL COMPANY OF CALIFORNIA12,9372004-08-17
2UNION OIL COMPANY OF CALIFORNIA12,9492004-05-14
5UNION OIL COMPANY OF CALIFORNIA12,9582004-05-14
6UNION OIL COMPANY OF CALIFORNIA12,9612004-05-14
9UNION OIL COMPANY OF CALIFORNIA12,9322003-09-11
142-467-00709--------
1042-467-00710--------
1142-467-00442--------
EOF // data source: Texas Railroad Commission // 2026