Engineered Solutions for Safer and Compliant Refinery & Petrochem Operations

On-site service keeping plants safe & compliant with advanced vapor control, degassing, and water treatment solutions since 1992

EMISSION CONTROL & DEGASSING FOR OIL & GAS, PIPELINE AND FUEL TERMINALS

Reliable Midstream Solutions That Keep You and Your Products in Motion

TEMPORARY & STRATEGIC MARINE VAPOR RECOVERY

Protecting Ports, Vessels, and the Environment with Advanced Marine Vapor Recovery.

Industrial & Remediation  Services

VAPOR AND WATER TREATMENT SOLUTIONS

Remediation & Treatment Services for a Cleaner Environment

Natural Gas  Services

NATURAL GAS TRANSMISSION CROSS COMPRESSION

Faster operations, zero product loss. Trusted cross compression for transmission and distribution

Specialized Services. Proven Results.

We deliver field-tested environmental solutions built for industrial performance.

Degassing &
Vapor Control

Degassing &
Vapor Control

Envent operates the largest fleet of portable thermal oxidizers and emission control systems in North America, all designed to meet the highest regulatory standards and ready to support your degassing needs.

Refinery Turnaround
Vapor Control

Refinery Turnaround
Vapor Control

Envent provides rapid-response turnaround services, including vapor control, degassing, and water treatment. As a specialized contractor, we make sure safety, compliance, and reliability, helping plants complete shutdowns and outages on schedule.

Marine Vapor
Recovery

Marine Vapor
Recovery

Envent Corporation’s Marine Vapor Recovery service provides safe, efficient control of hydrocarbon vapors during vessel loading, offloading, and cleaning operations. Using advanced mobile vapor control units, Envent ensures full regulatory compliance, minimizes emissions, and protects personnel and the environment at marine terminals and docks.

Scrubbers & Odor Control

Scrubbers & Odor Control

Envent Corporation is North America’s #1 leader in mobile vapor scrubbing services and vapor control solutions. Our fleet of advanced vapor scrubbers, paired with highly trained technicians and proven logistics, delivers reliable support for industrial facilities, refineries, chemical plants, and municipal organizations.

Water Treatment

Water Treatment

Envent Corporation provides turnkey solutions for soil and groundwater remediation and treatment. We work in a range of industries, including petrochemical, environmental engineering, industrial and oilfield services.

Soil Vapor
Extraction

Soil Vapor
Extraction

Envent has a fleet of soil vapor extraction units to abate odors and vapors during any agitation of the ground. Past spills or pollution events can slow or inhibit work from progressing if the right solutions are not used to capture those vapors.

Pipeline Evacuation & Natural Gas Cross Compression

Pipeline Evacuation & Natural Gas Cross Compression

Mobile natural gas compression services, also called Cross compression, recompression or pipeline evacuation refers to the process of removing methane from a section of a pipeline that requires maintenance, servicing, or hydrostatic testing.

Built for Demanding
Environments

Our services are field-tested, regulation-ready, and backed by a team that understands the urgency and complexity of industrial operations. We help clients stay compliant, reduce emissions, and complete critical work safely and efficiently.

About Envent

Backed by Experience. Driven by Safety.

Since 1992, we have been the #1 provider of tank, vessel & pipeline degassing services, marine vapor recovery, vapor scrubbers and mobile water treatment throughout North America.  Envent Corporation has been the go-to company for the smallest and largest petrochemical including such ExxonMobil, Marathon, Shell, Phillips 66, LyondellBasell, Oxy, Valero, Tesoro, Kinder Morgan, Enterprise, Dow, Chevron, Ineos, Buckeye, Citgo, Motiva and many more.

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Backed by Experience. Driven by Safety.
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ENVENT CLIENTS

Our Works

RECENT ENVENT PROJECTS

Real results from complex, high-risk environments.
Naphtha Tank Degassing Case Study: LDEQ-Compliant Mobile Thermal Oxidation

Naphtha Tank Degassing Case Study: LDEQ-Compliant Mobile Thermal Oxidation

December, 2025
Canada Butane Tank Vapour Fuel Storage Tank Degassing

Canada Butane Tank Vapour Fuel Storage Tank Degassing

August, 2025
Envent Mobile Water Treatment Unit – VOC, pH and H2S Mobile Water Treatment Systems

Envent Mobile Water Treatment Unit – VOC, pH and H2S Mobile Water Treatment Systems

February 2023
Envent Provides Mobile Vapour Control for Benzene Barge & Railcar Loading – Alberta, Canadian

Envent Provides Mobile Vapour Control for Benzene Barge & Railcar Loading – Alberta, Canadian

October 2024
Emergency Propane Pipeline Vapor Degas & Odor Control – Thermal Oxidizer

Emergency Propane Pipeline Vapor Degas & Odor Control – Thermal Oxidizer

November, 2024
Emergency Reactor Degassing & Refinery Degassing: How Envent Saved a Gulf Coast Refinery Millions in Just 7 Days

Emergency Reactor Degassing & Refinery Degassing: How Envent Saved a Gulf Coast Refinery Millions in Just 7 Days

March 2019
Long Term Vapor Control on Petroleum Tank

Long Term Vapor Control on Petroleum Tank

September, 2025
H2S Scrubber + Thermal Oxidizer: How Envent Safely Handled 500,000 ppm Sour Water in a 2025 Washington Refinery

H2S Scrubber + Thermal Oxidizer: How Envent Safely Handled 500,000 ppm Sour Water in a 2025 Washington Refinery

May, 2025
Ammonia Vapor Treatment – Texas Chemical Plant

Ammonia Vapor Treatment – Texas Chemical Plant

February, 2025
California Refinery Vapor Degassing & Emissions Control – VOCs & H2S

California Refinery Vapor Degassing & Emissions Control – VOCs & H2S

June 17, 2025
Gasoline Storage Tank Roof Collapse – Vapor Tank Degassing

Gasoline Storage Tank Roof Collapse – Vapor Tank Degassing

June 17, 2025
Emergency Response, Butadiene Pipeline Degassing Project, Texas.

Emergency Response, Butadiene Pipeline Degassing Project, Texas.

June 17, 2025
Texas Pipeline & Terminal Sludge Processing /Tank Cleaning Vapor Control & Degassing

Texas Pipeline & Terminal Sludge Processing /Tank Cleaning Vapor Control & Degassing

June 17, 2025
Houston, Texas Pipeline Blowdown Emission Control Services

Houston, Texas Pipeline Blowdown Emission Control Services

June 17, 2025
Refinery in Port Arthur, Texas, Liquid Ring – High Volume, Vacuum Truck Vapor Control

Refinery in Port Arthur, Texas, Liquid Ring – High Volume, Vacuum Truck Vapor Control

June 17, 2025
North Dakota Tank Vapor Control

North Dakota Tank Vapor Control

June 17, 2025