GROUSE A

Oil // district 1 // lease#17925

op: PILLAR EFS, LLC

cum_oil

140k BBL

cum_gas

0 MCF

wells

1

production

2014-08 — 2026-03

peak_month

2014-09

-- production_history

cum_oil: 139,520 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,903 BBL/mo

Di (annual)

19.8%

b-factor

0.0

EUR

115,195 BBL

R-squared

0.418

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HEOG RESOURCES, INC.19,3002014-07-10
EOF // multi-state drilling data platform // 2026