HARRIS UNIT 23-26

Oil // district 10 // lease#47678

op: SURGE OPERATING, LLC

cum_oil

1.3M BBL

cum_gas

0 MCF

wells

6

production

2015-12 — 2026-03

peak_month

2017-10

-- production_history

cum_oil: 1,268,455 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

38,625 BBL/mo

Di (annual)

263.3%

b-factor

1.7

EUR

2,087,588 BBL

R-squared

0.783

type

hyperbolic

-- wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SHSURGE OPERATING, LLC210,0002017-08-21
1AHSURGE OPERATING, LLC110,0002016-11-01
4AHSURGE OPERATING, LLC110,0002016-11-01
3AHSURGE OPERATING, LLC19,5002016-06-01
2AHSURGE OPERATING, LLC29,5002016-02-04
2HTALL CITY OPERATIONS LLC19,0002015-07-23
EOF // data source: Texas Railroad Commission // 2026