JOHNSTON STATE -A-

Oil // district 10 // lease#33109

op: VANGUARD OPERATING, LLC

cum_oil

76k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2026-03

peak_month

1993-01

-- production_history

cum_oil: 76,233 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

525 BBL/mo

Di (annual)

10.3%

b-factor

0.3

EUR

77,660 BBL

R-squared

0.725

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2THOMAS, J. C.15,9001990-09-18
EOF // multi-state drilling data platform // 2026