MASTERSON "E"

Oil // district 14 // lease#5936

op: RIATA ENERGY, INC.

cum_oil

11k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

1997-05

-- production_history

cum_oil: 10,613 BBL cum_gas: 0 MCF

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8301OPTOPCO*, INC.12,3001985-09-13
8304OPTOPCO*, INC.12,3001985-09-13
8305OPTOPCO*, INC.12,3001985-09-13
8302OPTOPCO*, INC.12,3001984-08-20
EOF // multi-state drilling data platform // 2026