HALLMARK-KEEL

Oil // district 8 // lease#17550

op: TRANSCONTINENTAL SHALE L.L.C.

cum_oil

2k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2026-03

peak_month

1994-07

-- production_history

cum_oil: 1,597 BBL cum_gas: 0 MCF

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PETROLERO EXPLORATION, INC.23,5001981-08-21
EOF // multi-state drilling data platform // 2026