T.R.U. UNIT

Oil · District 01 · Lease #12071

Operator: THREE FORKS OPERATING CO, LLC

Cum Oil

247k BBL

Cum Gas

20 MCF

casinghead

Wells

7

Production

1993-01 — 2026-04

Peak Month

1995-04

Production History

Cum Oil: 247,473 BBL Cum Gas: 20 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,587 BBL/mo

Di (annual)

17.4%

b-factor

1.1

EUR

261,354 BBL

R-squared

0.775

type

hyperbolic

Operator History (from monthly production reports)

2017-10 — 2026-07 SHELDON RESOURCES, L.P. 106 mo
2006-11 — 2017-09 THREE FORKS OPERATING CO, LLC 131 mo
1993-01 — 2006-10 HEARTLAND RESOURCES, INC. 166 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7SHELDON RESOURCES, L.P.12,0002016-09-15
6SHELDON RESOURCES, L.P.12,0002000-08-14
5SHELDON RESOURCES, L.P.11,9901995-02-10
4SHELDON RESOURCES, L.P.11,9901993-03-23
3SHELDON RESOURCES, L.P.11,9201992-05-27
2SHELDON RESOURCES, L.P.11,9501991-04-02
1SHELDON RESOURCES, L.P.11,9751988-06-14