SLEEPER, W. M.

Oil // district 11 // lease#65262

op: VANGUARD PERMIAN, LLC

cum_oil

111k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2026-03

peak_month

2010-11

-- production_history

cum_oil: 110,637 BBL cum_gas: 0 MCF

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SASANTA FE-ANDOVER OIL COMPANY15,0001985-01-18
EOF // data source: Texas Railroad Commission // 2026