ZANT 38

Oil // district 10 // lease#45810

op: ROBERTSON RESOURCES, INC.

cum_oil

77k BBL

cum_gas

0 MCF

wells

1

production

2013-04 — 2026-03

peak_month

2013-05

-- production_history

cum_oil: 76,673 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

873 BBL/mo

Di (annual)

15.7%

b-factor

0.0

EUR

66,669 BBL

R-squared

0.302

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ROBERTSON RESOURCES, INC.511,3002013-06-17
EOF // data source: Texas Railroad Commission // 2026