DALE ESTATE "A"

Oil // district 13 // lease#28778

op: GBG OPERATING CORP.

cum_oil

19k BBL

cum_gas

0 MCF

wells

1

production

1994-02 — 2026-03

peak_month

1997-02

-- production_history

cum_oil: 19,454 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

74 BBL/mo

Di (annual)

3.8%

b-factor

0.0

EUR

19,675 BBL

R-squared

0.449

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1GBG OPERATING CORP.26,1601980-12-15
EOF // data source: Texas Railroad Commission // 2026