ROCKER "B" 41

Oil // district 9 // lease#9725

op: ZACHRY OPERATING

cum_oil

53k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

2013-06

-- production_history

cum_oil: 53,180 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

959 BBL/mo

Di (annual)

55.8%

b-factor

0.5

EUR

38,468 BBL

R-squared

0.747

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
41HFIML NATURAL RESOURCES, LLC310,0002012-09-20
42IVANGUARD PERMIAN, LLC310,5002012-09-20
2MAY PETROLEUM, INC.17,5001982-04-01
1MAY PETROLEUM, INC.17,5001982-02-09
EOF // data source: Texas Railroad Commission // 2026