Matrix mobilized into the Shell Deer Park Refinery in early May of 2015 to begin an infrastructure expansion prior to the replacement of the drums on the single derrick, two drum structure. There was an extensive pre-turnaround period in which Matrix expanded the existing structure to prepare for the installation of the new coke drums, which were 18” in diameter greater than the existing drums. This period consisted of relocating and replacing existing beams and structural members, installing breakout spools for easy removal, cutting and replacing grating and floor plate that would remain permanent in the structure after the replacement of the drums, as well as installing beams and devices “Banana Effect” that would be pertinent to the safe removal of the derrick, and eventually both drums.

Using the TC-36,000 nicknamed “Big Red”, the turnaround began with the removal of the bottom two delta valves from the second level of the structure, as well as the top delta valves from the sixth level of the structure. Modified the cutting water line for derrick removal, and installed (2) new 6” 2,500 lb flanges due to line erosion. From this point the 628,000 lb. derrick structure using the lifting beams installed by Matrix during the pre-turnaround phase. Once the derrick was removed, it was set onto a temporary support structure that was constructed by Matrix during the pre-turnaround phase. At this time both existing drums, weighing in at 890,000 pounds each, were removed. The new drums, weighing in 1.1 million pounds each, were then installed. The derrick was then lifted once again and reconnected. After receiving the delta valves back from a local outside shop they were reinstalled. The 24” & 20” flanges at the top nozzles were changed from ring joint to raised face to coincide with the new drums. Matrix fabricated (2) new 9cr 14” spools to be installed at the bottom nozzles of the drums. Matrix had to cut and install new breakout spools during the turnaround ranging from 24” to 1-1/2”. Helped capital projects demo and fabricate a 24” 9cr spool with various sized branches.

Overview
1.1 MM
lbs – weight of each new coke drum
2500 lb
flanges installed
1
team

Because of Matrix’s expertise, we were also able to make design changes that prevented issues that could have negatively impacted the project and resulted in significant cost increases.

Adam Lecompte, Project Engineer, Shell Deer Park Refinery

Scope of Work

  • Infrastructure expansion and coke drum replacement
  • Replacement drums were 18″ greater in diameter than existing drums
  • Installation of 2 new 6” 2500# flanges due to line erosion
  • Existing drums: 890K lbs each
  • New drums: 1.1MM lbs each
  • Fabrication and installation of 2 new 9cr 14” spools

Matrix looks for solutions to move forward even when things are difficult. That spirit of innovation and “no barriers’ approach is what our own team exhibits every day, and it’s what we expect.

Wes Carambat, Site Turnaround Manager, Shell Deer Park Refinery

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