CHACHALACA UNIT

Oil // district 1 // lease#18418

op: PILLAR EFS, LLC

cum_oil

194k BBL

cum_gas

0 MCF

wells

1

production

2015-05 — 2026-03

peak_month

2015-07

-- production_history

cum_oil: 193,829 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,864 BBL/mo

Di (annual)

20.6%

b-factor

0.0

EUR

167,054 BBL

R-squared

0.445

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HEOG RESOURCES, INC.110,2002014-08-20
EOF // multi-state drilling data platform // 2026