HARTGROVE "5"

Oil // district 9 // lease#6447

op: TAMARACK PETROLEUM COMPANY, INC.

cum_oil

83k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

2007-04

-- production_history

cum_oil: 83,151 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

672 BBL/mo

Di (annual)

21.7%

b-factor

0.0

EUR

37,018 BBL

R-squared

0.475

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3TMMARINER ENERGY, INC.19,0002006-05-26
4TMMARINER ENERGY, INC.19,0002006-03-30
142-383-30436--------
242-383-30495--------
EOF // multi-state drilling data platform // 2026