T.R.U. UNIT

Oil // district 1 // lease#12071

op: THREE FORKS OPERATING CO, LLC

cum_oil

247k BBL

cum_gas

0 MCF

wells

7

production

1993-01 — 2026-03

peak_month

1995-04

-- production_history

cum_oil: 246,908 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,682 BBL/mo

Di (annual)

22.5%

b-factor

1.3

EUR

264,753 BBL

R-squared

0.783

type

hyperbolic

-- wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7THREE FORKS OPERATING CO, LLC12,0002016-09-15
6HEARTLAND RESOURCES, INC.12,0002000-08-14
5HEARTLAND RESOURCES, INC.11,9901995-02-10
4HEARTLAND RESOURCES, INC.11,9901993-03-23
3HEARTLAND RESOURCES, INC.11,9201992-05-27
2HEARTLAND RESOURCES, INC.11,9501991-04-02
1HEARTLAND RESOURCES, INC.11,9751988-06-14
EOF // data source: Texas Railroad Commission // 2026