HAMLIN UNIT 19-30

Oil // district 10 // lease#46253

op: TALL CITY OPERATIONS LLC

cum_oil

2.8M BBL

cum_gas

0 MCF

wells

10

production

2014-10 — 2026-03

peak_month

2018-09

-- production_history

cum_oil: 2,842,354 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

56,457 BBL/mo

Di (annual)

31.7%

b-factor

0.0

EUR

2,135,414 BBL

R-squared

0.687

type

exponential

-- wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6AHSURGE OPERATING, LLC19,0002019-05-03
7AHSURGE OPERATING, LLC19,0002019-05-03
7SHSURGE OPERATING, LLC29,0002019-05-02
3AHSURGE OPERATING, LLC210,0002018-05-04
2AHSURGE OPERATING, LLC210,0002018-05-03
8AHSURGE OPERATING, LLC210,0002017-12-11
1BHSURGE OPERATING, LLC210,0002017-07-11
1AHSURGE OPERATING, LLC310,0002016-06-24
8SHSURGE OPERATING, LLC110,0002016-06-23
1HTALL CITY OPERATIONS LLC19,0002014-08-15
EOF // multi-state drilling data platform // 2026