UNDERWOOD

Oil // district 11 // lease#67737

op: SPRINGFIELD OIL SERVICES, INC.

cum_oil

13k BBL

cum_gas

0 MCF

wells

2

production

1997-04 — 2026-03

peak_month

1997-05

-- production_history

cum_oil: 12,917 BBL cum_gas: 0 MCF

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
405ASPRINGFIELD OIL SERVICES INC.410,0002025-08-28
401ASPRINGFIELD OIL SERVICES, INC.29,4102009-08-19
EOF // multi-state drilling data platform // 2026