CHAPA

Oil // district 4 // lease#12480

op: SOUTH TEXAS OPERATING COMPANY

cum_oil

79k BBL

cum_gas

0 MCF

wells

2

production

1995-08 — 2026-03

peak_month

2006-04

-- production_history

cum_oil: 79,215 BBL cum_gas: 0 MCF

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11SOUTH TEXAS OPERATING COMPANY15,5001995-07-31
10SOUTH TEXAS OPERATING COMPANY15,5001994-07-05
EOF // multi-state drilling data platform // 2026