MCILWAIN

Oil // district 8 // lease#28528

op: YOUNG, MARSHALL R., OIL CO.

cum_oil

38k BBL

cum_gas

0 MCF

wells

2

production

1998-08 — 2026-03

peak_month

1998-10

-- production_history

cum_oil: 37,830 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,227 BBL/mo

Di (annual)

111.1%

b-factor

0.4

EUR

21,785 BBL

R-squared

0.531

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4YOUNG, MARSHALL R., OIL COMPANY22,9001998-09-24
3YOUNG, MARSHALL R., OIL COMPANY22,9001998-08-28
EOF // data source: Texas Railroad Commission // 2026