BARKSDALE, R. A. -B-

Oil // district 7 // lease#6916

op: ZONE ENERGY, LLC

fields: EAST TEXAS

cum_oil

180k BBL

cum_gas

0 MCF

wells

21

production

1993-01 — 2026-03

peak_month

2013-07

-- production_history

cum_oil: 180,299 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,703 BBL/mo

Di (annual)

126.4%

b-factor

1.4

EUR

105,527 BBL

R-squared

0.814

type

hyperbolic

-- wells (21)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
21RZONE ENERGY, LLC14,0002012-12-27
18RZONE ENERGY, LLC14,0002012-11-16
142-401-81747--------
1142-401-81755--------
1242-401-81756--------
1342-401-81757--------
1442-401-81758--------
1542-401-81759--------
1642-401-81760--------
1742-401-81761--------
242-401-81748--------
2042-401-81762--------
2242-401-81763--------
2342-401-81764--------
2442-401-81765--------
342-401-81749--------
542-401-81751--------
642-401-81752--------
742-401-81753--------
942-401-81754--------
9W42-401-81754--------
EOF // data source: Texas Railroad Commission // 2026