GRACE

Oil // district 11 // lease#70913

op: ERNMAR INVESTMENTS, INC.

cum_oil

4k BBL

cum_gas

0 MCF

wells

1

production

2019-06 — 2026-03

peak_month

2020-07

-- production_history

cum_oil: 3,797 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

111 BBL/mo

Di (annual)

68.1%

b-factor

0.6

EUR

4,138 BBL

R-squared

0.528

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BC OPERATING, INC.110,0002019-01-10
EOF // data source: Texas Railroad Commission // 2026