Page 6 - SubTerra Engineering Corporate Profile - 2021 v2

1.0 Similar Scope Projects

Over the past decade we have gained extensive experience in Designing, Drilling,
Completing, Washing, Integrity Management, Auditing, and Peer-reviewing Caverns
& Disposal projects throughout Western Canada for many clients. From the first
Provident work in early 2006, we have been an integral part of a growing industry
with exceptional results built on a trusted relationship with all our Clients. Below is
a summary of the projects we have executed on:

Work/Roles

Project / Timeline Details
Owner Wash / Mining / Conversions Completions / Workovers

FEED/AFE Design Regulatory Procurement Drilling MIT Construction Disposal Wells AUDIT

1 x Cavern
2018 - Full Development
IPOLP X X X X X X X X
Current from Concept to
Storage

2 x Disposals
2018 -
IPPL X X X X X X X Drill, Complete and
Current test – 1A Disposal
Wells
Completed audit
1 x Full Development
(Drill, Complete and
2015 -
Atco Energy X X X X X X X X Mine) – In Progress
Current
1 x Workover (2018)
1 x Disposal Workover
(2021)
6 x Solution Mined
Caverns
5 x Cavern Workovers
2015 -
Keyera X X X (2021)
Current
Act as SME for
Workover and Wash
Design
2 x Disposal
workovers.
2017 -
Koch Fertilizer X X X X
Current 1 x FEED
Regulatory
compliance study.