HANNIS LEASE

Oil // district 13 // lease#27191

op: HANNIS OPERATING, LLC

cum_oil

12k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2025-12

peak_month

2007-07

-- production_history

cum_oil: 12,043 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

77 BBL/mo

Di (annual)

9.2%

b-factor

0.0

EUR

9,918 BBL

R-squared

0.428

type

exponential

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5NATIONAL COOP REFINERY ASSOC14,4721988-10-13
11 RNATIONAL COOP REFINERY ASSOC14,1001988-06-22
EOF // data source: Texas Railroad Commission // 2026