What We Do

We are a pipeline construction company based in Houston, TX that specializes in Pipeline Construction, Pipeline Maintenance, Pipeline Repair, and Pipeline Inspection Services. Our goal is to create meaningful long-term client relationships by performing outstanding service and maintaining our impeccable safety record. With over 150 years of combined pipeline construction, inspection, repair and maintenance experience using state of the art equipment, Onyx provides our clients with the highest quality of service at a very cost-effective rate. Mouse over the boxes below to learn more.

Onyx Land Pipeline Services

Pipeline Inspections & Regulatory Compliance

We provide fully trained and experienced personnel to conduct underwater and on-land pipeline inspections.

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Project Support

Scope out project objectives including potential permit requirements, estimate services and materials required to execute project.

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Maintenance: Pipeline, Facility & ROW

Proper maintenance of the pipeline and facilities is the key to the future performance of the technology.

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Emergency Services

We have crews available immediately to help in any way.

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Pipeline Construction

Onyx Services offers a unique and complete group of services for all your pipeline construction requirements.

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Computer- Aided Design Services

Our CAD department will draw up detailed drawings of your pipeline crossings.

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Station & Terminal Construction

We will work with you to customize your construction project to suit your specific needs.

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More Land Services

We offer many other services including right of way maintenance and inspection, CAD survey drawings, and training.

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Miles of Depth of Cover
Rivers Inspected
Miles of ROW Mowed

Onyx Water/Marsh Pipeline Services

Depth of Cover Survey

We provide fully trained and experienced personnel to conduct depth of cover surveys.

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Underwater Close Interval Survey

We identify pipeline electrolytic corrosion in buried pipeline and provide corrective repair methods to ensure safety.

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Ensuring Underwater Pipeline Integrity

Upon identifying any abnormalities, the Onyx Team establishes a plan for follow-up inspections and acts to prevent problems.

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Washout Remediation & Bank Stabilization

A major key to protecting your river property and prevent waterway washouts is to maintain, stabilize, and repair a riverbank.

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Underwater Inspection & Repair

Due to changes in water flow rate, water depth, bank erosion and floating debris, exposed pipeline is in danger of severe damage.

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Harbor Dock & Terminal Inspection

Onyx Services also provides harbor dock, dolphin, dredging, and terminal inspections with repairs to all.

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Underwater Pipeline Decommission & Removal

We provide contracting, project management, and engineering services associated with pipeline decommission.

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More Water Services

We offer many other services including bridge and dam Inspection or repair, CAD survey drawings, and training.

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We Work Where You Work

Onyx Services Inc. service area is vast and includes most of the lower 48.

Who We Work With

Onyx works with Downstream, Midstream, and Upstream Oil and Gas Operators. Below is a few of our clients.

Oil and Gas Prices

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