SIEBER

Oil // district 11 // lease#70557

op: STEWARD ENERGY II, LLC

cum_oil

1.2M BBL

cum_gas

0 MCF

wells

5

production

2017-01 — 2026-03

peak_month

2018-09

-- production_history

cum_oil: 1,169,281 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

16,413 BBL/mo

Di (annual)

12.0%

b-factor

0.0

EUR

1,636,750 BBL

R-squared

0.442

type

exponential

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
45HSTEWARD ENERGY II, LLC15,6002022-12-28
6HCUSTER & WRIGHT OPERATING, INC.110,1452018-04-26
5HCUSTER & WRIGHT OPERATING, INC.110,3552018-04-25
4HCUSTER & WRIGHT OPERATING, INC.110,6402017-09-25
3HCUSTER & WRIGHT OPERATING, INC.110,3002016-06-09
EOF // data source: Texas Railroad Commission // 2026