MCILWAIN

Oil // district 8 // lease#28517

op: YOUNG, MARSHALL R., OIL CO.

cum_oil

55k BBL

cum_gas

0 MCF

wells

3

production

1998-08 — 2026-03

peak_month

1998-09

-- production_history

cum_oil: 54,956 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,885 BBL/mo

Di (annual)

67.4%

b-factor

0.2

EUR

64,090 BBL

R-squared

0.636

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2YOUNG, MARSHALL R., OIL COMPANY23,8001998-08-28
3YOUNG, MARSHALL R., OIL COMPANY22,9001998-08-28
1YOUNG, MARSHALL R., OIL COMPANY23,8001998-08-26
EOF // data source: Texas Railroad Commission // 2026