MIDDLETON 21

Oil // district 10 // lease#45642

op: OXYROCK OPERATING, LLC

cum_oil

21k BBL

cum_gas

0 MCF

wells

1

production

2014-03 — 2026-03

peak_month

2014-04

-- production_history

cum_oil: 20,739 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

813 BBL/mo

Di (annual)

630.7%

b-factor

1.6

EUR

24,090 BBL

R-squared

0.613

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BIG STAR OIL & GAS, LLC212,0002014-01-13
EOF // data source: Texas Railroad Commission // 2026