SHEPHARD, HENRY (T-560-2)

Oil // district 3 // lease#12068

op: HEARTLAND RESOURCES, INC.

cum_oil

12k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2026-03

peak_month

1994-09

-- production_history

cum_oil: 11,584 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

44 BBL/mo

Di (annual)

3.7%

b-factor

0.0

EUR

11,989 BBL

R-squared

0.451

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1CADDO OIL CO.-CALDWELL DIST.13,7501978-09-06
EOF // multi-state drilling data platform // 2026