THREE SISTERS

Oil // district 10 // lease#43039

op: NEW HEIGHT ENERGY, LLC

cum_oil

872k BBL

cum_gas

0 MCF

wells

4

production

2012-06 — 2026-03

peak_month

2013-01

-- production_history

cum_oil: 872,223 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

6,932 BBL/mo

Di (annual)

4.7%

b-factor

0.0

EUR

1,596,319 BBL

R-squared

0.465

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4MDC TEXAS OPERATOR LLC311,0002015-12-03
5HANNATHON PETROLEUM, LLC111,0002013-10-25
2HANNATHON PETROLEUM, LLC310,9992012-08-28
1HANNATHON PETROLEUM, LLC210,9992012-04-06
EOF // data source: Texas Railroad Commission // 2026