Replacement Without Underwater Welding

Need a fast replacement riser? PLIDCO’s Riser Weld+Ends avoids underwater welding. It is socket-welded at the surface to the new replacement riser and lowered into the water. The diver cuts off the old riser, stabs the new fitting over the cut-off pipe, then torques the clamping and thrust screws for a complete leak-proof seal without welding.

Our Riser Weld+Ends are designed to simplify the replacement of underwater riser on offshore oil and gas lines without welding underwater. The repair fitting has additional clamping and thrust screws to provide a seal for high pressure pipelines and for resisting extreme end-pull.  Special installation instructions are necessary for thin wall applications.

Wondering why customers trust us? We are the only manufacturer in the industry to offer a 5-year limited warranty on our pipeline repair products.

Learn about PLIDCO’s seal options.

Riser Weld Ends for Pipeline Repairs Video

PLIDCO Riser Weld+Ends are designed for easier replacement of underwater risers when making pipeline repairs. No welding underwater is necessary as the fitting is socket welded at the surface.

PLIDCO Offshore

Pipeline repair and maintenance products for faster, safer, easier offshore repairs.

PLIDCO pioneered wet technology using mechanical fittings for the repair and maintenance of subsea pipelines worldwide. PLIDCO fittings are designed for fast, simple installation and take less time than conventional weld-on types of fittings. They are used to seal pipeline leaks, reinforce thin or weakened pipe walls and make subsea tie-ins to existing pipelines at depths suitable for diving. Repairs can be made safely without shut down or with minimum downtime, which avoids costly production losses. Fittings can be welded if specified.

Offshore data sheet

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