MCWILLIAMS

Oil // district 13 // lease#26166

op: R.J. RILEY OPERATING, LLC

cum_oil

12k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2026-03

peak_month

1993-01

-- production_history

cum_oil: 12,423 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

217 BBL/mo

Di (annual)

29.7%

b-factor

0.3

EUR

12,199 BBL

R-squared

0.822

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3ANTLE OPERATING, INC.13,2002013-03-01
2ANTLE, E.14,3501985-12-31
EOF // data source: Texas Railroad Commission // 2026