SCHAEFER "A"

Oil // district 8 // lease#28830

op: CALLARMAN, DAVID

cum_oil

7k BBL

cum_gas

0 MCF

wells

1

production

2000-07 — 2026-03

peak_month

2023-07

-- production_history

cum_oil: 6,951 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

63 BBL/mo

Di (annual)

68.8%

b-factor

0.0

EUR

1,088 BBL

R-squared

0.418

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1KATLACO OPERATING COMPANY24,3501986-06-03
EOF // multi-state drilling data platform // 2026