WILLIAMS UNIT B 24-13

Oil // district 10 // lease#46464

op: TALL CITY OPERATIONS LLC

cum_oil

729k BBL

cum_gas

0 MCF

wells

4

production

2014-09 — 2026-03

peak_month

2018-09

-- production_history

cum_oil: 728,718 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

25,280 BBL/mo

Di (annual)

173.5%

b-factor

1.1

EUR

900,657 BBL

R-squared

0.924

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5AHSURGE OPERATING, LLC110,0002018-04-30
7AHSURGE OPERATING, LLC210,0002017-12-07
8SHSURGE OPERATING, LLC110,0002017-07-05
1HTALL CITY OPERATIONS LLC19,0002014-07-18
EOF // data source: Texas Railroad Commission // 2026