Morrison Completes Gulf of Mexico Pipeline Installation, Reaches Milestone

(P&GJ) — Morrison, an energy service company for the oil, gas and renewables industries, has successfully completed the installation of Byron Energy Limited’s South Marsh Island Blocks 58 & 59 oil and gas sales pipelines, which marked more than 5.5 million feet of pipe laid by Morrison in the Gulf of Mexico. 

Morrison's CM-15 pipe laying vessel. Photo: Morrison

The most recent 60,720-foot pipeline installation campaign consisted of 3-inch, 4-inch, 6-inch and 8-inch pipelines in water depths of approximately 140 feet and included burials, risers and tie-in fabrication and installations, crossing mitigation, and pigging, hydro testing and commissioning of the pipelines.

The Byron pipeline installation presented a unique opportunity for the triple lay of a portion of the overall pipelay on the project.

To perform the pipelay installations and bury operations, Morrison utilized its pipeline lay barge, the CM-15. 

Morrison worked with the export pipeline companies and installed hot tap tie-in on those transmission lines.

This was performed utilizing Morrison’s dive asset, DSV Kelly Morrison, while the DSV Joanne Morrison provided both saturation and surface diving support for the riser clamp, pipeline tie-ins and various dive operations.

“We are extremely proud to reach the milestone of more than 5.5 million feet of pipe laid in the Gulf of Mexico in 2020, the year in which Morrison celebrates its 20th anniversary of working in the pipeline business,” stated Morrison CEO Chet Morrison.

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