HARTY "A"

Oil // district 13 // lease#7538

op: LANKFORD, DAN L.

cum_oil

14k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

2011-06

-- production_history

cum_oil: 13,927 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

96 BBL/mo

Di (annual)

19.0%

b-factor

0.0

EUR

6,039 BBL

R-squared

0.592

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5DLANKFORD, DAN L.24,6001987-02-11
4LANKFORD, DAN L.12,8001985-12-23
2BURGESS, W. E.12,2001981-09-14
142-503-81644--------
EOF // multi-state drilling data platform // 2026