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Leading oil & gas companies understand that productivity and profitability are linked.
Now, more than ever, companies rely on HOCS to deliver dependable design solutions
proven to increase throughput, enhance safety and maximize efficiency.

Your Partner in Growth

An EPPM firm in Calgary offering comprehensive engineering and project management solutions to leading Oil and Gas companies. 

We bring years of trusted experience and a fresh perspective to every design solution.


Delivering Comprehensive

Engineering And Project Management


With years of trustworthy and responsive experience in mechanical, civil, electrical, process, piping and instrumentation engineering – HOCS can be your “one-stop” provider for all of your engineering and project management needs.

From the upstream through downstream markets, leading oil & gas companies trust HOCS to deliver solutions in all disciplines including, engineering, design drafting, process simulation, procurement, project management, commissioning, start-up support and operation support services.

Steam Additions

With past experience in multiple steam generator additions, we have successfully executed many projects on-schedule, below budget and with 0 engineering RFI’s.

Need for Steam?

HOCS Projects is an industry leader in the specification and installation of expanded steam capacity.

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Debottlenecking / GAP Analysis

Learn how we can help you minimize your costs by reducing capex without adding equipment.

Doing more with Less

Increasing throughput without expanding plant boundaries is the new normal. HOCS Projects has built a business around helping you do more with less.

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Desalting & Oil Dehydration

With an “inside out” approach to design down to the nuts and bolts, we can create successful retrofits of existing vessels without needing to design brand-new equipment.

Experts in Desalting

HOCS Projects can assist in increasing the effectiveness and efficiency of your desalting plant or helping design the perfect application of cutting edge technology to ensure dependable production.

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Pilot Technologies

Our flexible, nimble approach is just one of the reasons we have been recognized as an industry leader in technology pilots including technology identification, evaluation and implementation.

New isn't easy...

HOCS Projects is chosen time and again for pilot technology support due to our process engineering depth, fit for purpose execution and approach to innovation.

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Water Treatment

Oilsands producers must focus on production that is economically, socially and environmentally sustainable.

Common + Advanced Technologies

To meet that goal, companies must develop and implement  both well-known and innovative water treatment technology with partners that understand the complexities of the situation.

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Large Capital Projects DBM/FEED

Every design solution is backed by over two centuries of hands-on experience from our leadership in all engineering disciplines

Access to Leadership

Our partners and leaders offer their guidance on every project that we execute. Allow us to bring their expertise to the front end of your project, where it can make the biggest impact.

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Meet Our Hands-On Leadership Team

From concept to execution, HOCS leaders and partners will be present throughout your project’s life-cycle.

Our leaders take an active role in our company and projects committing to trust, transparency and mutual respect.

Mark Smithdorf

Mark Smithdorf

Technical Director and Principal

Mark’s career spans over four decades and almost every oil producing country both onshore and offshore.              At HOCS Projects, we say that he has bitumen flowing through his veins.

Since 1981, Mark has worked on surface facility designs for the upstream processing of conventional and heavy oil, bitumen, natural gas, produced water and sand. With a primary focus on the resolution of emulsions and processing of oil / water / gas / sand, Mark has been involved in complete upstream process designs as well as troubleshooting / debottlenecking existing facilities.

Mark’s primary contribution to HOCS Projects is in the role of Principal, where he shares his 40 years of hands-on experience in both managerial and technical roles to ensure that HOCS Projects delivers on its promise of “do it right, do it once, do it together” and realizes its Vision of “Becoming the benchmark in engineering and project execution excellence”.

Mario Potapczuk

Mario Potapczuk

Vice President, Project Management Services

Mario has 25 years of experience covering manufacturing, aerospace, and oil & gas industries in various roles.  His career has evolved from design / drafting technologist through to mechanical engineer, project engineer, and management roles in technical services, construction and projects, leading to his current position as Vice President of Project Management Services.  Mario’s experience includes working at EPC firms, construction companies, and oil and gas producers.

As Vice President of Project Management Services, Mario’s priority is to ensure that we stay focused on our vision of being the benchmark in project execution excellence.  In addition to Mario’s responsibilities in Project Management, he also manages Project Controls, Procurement, Document Control, and Corporate Accounting and Finance.

Roger Lafont, P. Eng.

Roger Lafont, P. Eng.

Director, Engineering

Roger has over 30 years of experience in the petroleum, petrochemical, power generation, and pulp and paper industries.  This includes extensive site experience during construction, commissioning, start-up and ongoing plant operations.

Roger has executed projects ranging in size from a single-well battery to world class megaprojects.  His on-site experience at operating facilities enables him to see the design through the eyes of the end user with a view towards long-term operability and maintainability.  Roger brings to HOCS Projects technical depth combined with a lot of wisdom and compassion, which enables us to create and maintain a people and results-focused culture.

As the Director of Engineering at HOCS Projects, Roger intends to use his construction and operations experience to lead his teams to provide cost-effective, and reliable systems to our clients.  “Win-win for me means that our clients feel that we have exceeded their expectations, while our staff feel engaged and challenged, and we are viewed by industry as the benchmark in engineering and project execution excellence.”

Ken Wong, RET

Ken Wong, RET

Civil, Structural and Architectural Department Head

Ken has an impressive four-decade track record of civil, structural, and architectural experience across a wide range of industries including petroleum, chemical, mining, and heavy oil.  He has been significantly involved with research, development, infrastructure, environmental, and building projects, delivering projects of all sizes ranging from thousands to billions of dollars with successful outcomes, starting with inception to the commissioning phase.  Ken is a passionate problem solver, always seeking to resolve engineering challenges with creative and cost-effective solutions, whether on the construction site or at the office. He has made significant contributions to the successful implementation of numerous megaproject 3D plant design systems, taking 3D-model management to a new, industry benchmark level.

As Head of the Civil Structural and Architectural Department, Ken has successfully led his team by applying his proven diverse expertise to obtain viable engineering solutions. His contributions have led to the imprint of numerous common industry practices throughout his long career.  “Our HOCS Projects’ team environment is both engaging and challenging, as we strive towards the common goal of exceeding client expectations by providing fit-for-purpose solutions”.

Adrian Otteson, CEP

Adrian Otteson, CEP

Piping Department Head / Lead Estimator

Adrian is a Junior Partner and Senior Design / Estimating leader with more than 20 years of diverse experience in the energy industry.

Adrian has held progressive management and estimating roles during his more than 12-year tenure at HOCS Projects. Adrian is accountable for all estimating and piping design within HOCS Projects including proposals management and project cost management on behalf of clients. Prior to joining HOCS Projects, Adrian spent 11 years in various design and estimating roles at various fabrication and EPC companies.

Adrian is a registered Certified Estimating Professional (CEP) with AACE International and is a recognized design professional.

Sherri Cummins, B.Sc.

Sherri Cummins, B.Sc.

Manager, Supply Chain

Sherri has dedicated 20+ years in various Supply Chain Management roles within oil & gas, having diversified this experience in fabrication, EPC, and producer.  The combination of her strengths in negotiation, materials control, logistics, deficiency remediation, sourcing evaluations, order management and project reporting contributes a well-rounded Supply Chain perspective and collaborative approach to all projects regardless of size, complexity or schedule.  Her favorite role is that of a collaborator who comfortably leads cross-functional challenges to achieve project success.

As Manager, Supply Chain, Sherri leads a passionate team of solution-oriented individuals who pride themselves on being relationship focussed and results driven.  Together, their priority is to deliver appropriately sized value-add input to each of their project deliverables and interactions.  We endeavor not only to contribute to HOCS Projects’ project execution excellence benchmark, but to actively lead associated initiatives.

Jean Robert (JR) Lafontant, P.Eng.

Jean Robert (JR) Lafontant, P.Eng.

Mechanical Department Head

JR is a highly skilled and experienced Mechanical Engineer with extensive experience in the oil & gas and mining industries.  His expertise and leadership skills have made him an invaluable asset to HOCS Projects and have earned him the position of Mechanical Department Head.

Prior to joining HOCS Projects, JR enhanced his skills working for some of the most prestigious EPC companies in the industry.  Throughout his career, JR has been the lead Mechanical Engineer on many high value projects worth billions of dollars.  JR has a deep commitment to his work and a passion for delivering top-quality results, making him an asset to any project.  JR is well-versed in the latest techniques and technologies related to static equipment and is committed to delivering exceptional results to his clients.

Oleg Bunimovich

Oleg Bunimovich

Document Control Lead

Oleg has more than 24 years of experience in Technical Document Control and Information Management.  This includes more than 19 years of diversified experience in the oil & gas industry.  By combining his engineering and software education, Oleg takes pride in providing a unique expertise and understanding of his field.

As Lead of the Document Control department, Oleg provides strong leadership and excellent management, focusing on HOCS Projects and Client needs, specifications and procedures.  As part of his leadership style, Oleg constantly provides solutions and advice to help to reach the benchmark in all HOCS Projects’ endeavors.


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Trusted Engineering Partner

We can help you untangle any challenge and turn it into a cost-effective and sufficient engineering solution.

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