MERGANSER UNIT

Oil // district 1 // lease#17984

op: PILLAR EFS, LLC

cum_oil

127k BBL

cum_gas

0 MCF

wells

1

production

2014-08 — 2026-03

peak_month

2014-10

-- production_history

cum_oil: 126,846 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,807 BBL/mo

Di (annual)

20.1%

b-factor

0.0

EUR

107,709 BBL

R-squared

0.416

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HEOG RESOURCES, INC.19,5002014-04-11
EOF // multi-state drilling data platform // 2026