CURTIS, E.C.

Oil // district 3 // lease#19388

op: SANDEL OPERATING COMPANY

cum_oil

143k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2026-03

peak_month

1993-01

-- production_history

cum_oil: 143,469 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,369 BBL/mo

Di (annual)

12.9%

b-factor

0.1

EUR

139,884 BBL

R-squared

0.598

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2CASHCO OIL COMPANY25,2001986-06-23
EOF // multi-state drilling data platform // 2026