SWAIN, W. F. 9

Oil // district 5 // lease#3622

op: UNION OIL COMPANY OF CALIFORNIA

cum_oil

142k BBL

cum_gas

0 MCF

wells

3

production

1997-10 — 2026-03

peak_month

1998-03

-- production_history

cum_oil: 141,849 BBL cum_gas: 0 MCF

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12UNION OIL COMPANY OF CALIFORNIA35,7012019-06-26
12UUNION OIL COMPANY OF CALIFORNIA35,7012019-06-26
14UNION OIL COMPANY OF CALIFORNIA25,5001998-11-16
EOF // data source: Texas Railroad Commission // 2026