STEWART

Oil // district 9 // lease#18365

op: HGN OPERATING I, LLC

cum_oil

155k BBL

cum_gas

0 MCF

wells

4

production

2013-08 — 2026-03

peak_month

2014-02

-- production_history

cum_oil: 155,114 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,603 BBL/mo

Di (annual)

68.6%

b-factor

0.9

EUR

201,189 BBL

R-squared

0.920

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4GEOSURVEYS, INC.14,3002014-10-08
3GEOSURVEYS, INC.14,5002014-05-28
2HGN OPERATING I, LLC14,0002013-10-14
1HGN OPERATING I, LLC24,3002013-05-10
EOF // data source: Texas Railroad Commission // 2026