HARVEY JOHNSON EF UNIT

Oil // district 1 // lease#18201

op: ROCC OPERATING, LLC

cum_oil

1.6M BBL

cum_gas

0 MCF

wells

6

production

2014-12 — 2026-03

peak_month

2015-07

-- production_history

cum_oil: 1,618,503 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

80,194 BBL/mo

Di (annual)

267.9%

b-factor

1.1

EUR

2,068,472 BBL

R-squared

0.972

type

hyperbolic

-- wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HMODERN EXPLORATION, INC.110,0002015-02-05
5HMODERN EXPLORATION, INC.110,0002015-02-05
6HMODERN EXPLORATION, INC.110,0002015-02-04
2HMODERN EXPLORATION, INC.113,5002014-08-08
3HMODERN EXPLORATION, INC.113,5002014-08-08
1HMODERN EXPLORATION, INC.213,5002014-04-26
EOF // data source: Texas Railroad Commission // 2026