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Remarkable Achievements in Coke Drum Reliability

One of the major reliability challenges that delayed coking operators face is the ability to avoid through-wall cracks in coke drums.... more

Eliminating Plugged Impulse Lines & Tapping Points

Ever get plugged taps on flow meters? Absolutely! Unit fresh feed, heater pass flow, recirculation system….etc. Any system with heavy oil and solids can have those tiny little impulse lines plug with coke or other solids. Over the years, we have seen all sorts of ways to remove those solids and minimize plugging. Just off the cuff, I can remember three: Continuous purge system, Portable pumper hand-cart, and Special block valves with rod through capability.... more

Severe Service Valves in Coker Drum Piping – Part 2

Experience of valve manufacturer in the area of Coker valve such as installation history, maintenance support engineering staff, automation support, sealing of valve(for example Sturdy... more

Severe Service Valves in Coker Drum Piping – Part 1

Coking is a refinery unit operation that upgrades material called bottoms from the atmospheric or vacuum distillation column into higher-value products and, as the name implies, produces petroleum coke, a coal-like material. Two types of coking processes exist—delayed coking and fluid coking.... more

D.D. Technology Inc.: Advanced Bidirectional Pigging

DDT is the originator and founder of Fired Heater Pigging. We have been in business for 26 years and the Owner / President has been granted 26 Patents and counting. We have successfully completed projects in 43 countries. The DDT Pigging System is the most advanced system for bidirectional pigging. DDT patented Piggs and Process increases run length and tube life, lowers fuel consumption and improves heater reliability. Bidirectional pigging allows our experienced operators to concentrate their cleaning efforts on contaminated areas only which prevents damage to areas that are... more

Coke Drum headed up without steam purge

Are there any hazards associated with leaving a Coke Drum headed up with both the drain and vent open for an extended period of time without any purge steam going into the Drum? We are looking for ways to conserve energy but don’t want to risk safety in doing so. [From the discussion forum archives. Submitted by Coker Squirrel 20 Jul 2004] ATC/NC coker cat: How many coke drums do you have? Extended period of time could mean you are on T/A or Heater Decoke or whatever? If coke... more Expands Field Services and Consulting proudly announces the expansion of the Field Services and Consulting division.  With the addition of Tom Meek to the team, the List of Services is more comprehensive than ever.   Contact our team for more information. Delayed Coker Field Services DCU Normal Operations – Cycle Time Optimization, DCU Heater Proactive Process Monitoring DCU Troubleshooting – Feed Preheat, Fractionator Bottoms, Heaters, Coke Drums, Fractionator, Fractionator Overhead, WGC, Gas Plant, Blowdown and Vapor Recovery, Coke Drum Process Safety and Facilities, Coke Cutting & Handling. DCU Projects – New Grass Roots and unit Revamps.  DCU... more

Tom Meek brings 40 years of Coker Experience to is known for their commitment to safety. It’s in their tag line “More Production – Less Risk!”. Thomas Meek joins the team and fits right in. Tom started his career at Shell Oil Refineries where he worked as a process engineer and superintendent in Delayed Coking, and Crude Distilling.... more

India Cokers

Indian refiners recognize the value of delayed coking to meet the needs of their growing demand for transportation fuels in their expanding economy. The Delayed Cokers in India tables shows the name and location of DCU’s, the number of cokers, and number of coke drums. They indicate coker capacity, licensor, decoking equipment and commission date and alternate names for the refinery. A full size combination map and table is shown at the end of the page.... more

Petcoke Survey Results

We asked the community to weigh in with perspectives. This is what you said. Question-1 If you are building or operating a DCU, how do you determine what is required for efficient coke handling, load out, transport, and logistics systems for petcoke management? Question-2 Has a petcoke management disruption affected DCU operations directly? If so, how? Question-3 What are the most important considerations for those refiners considering investment in coker conversion capacity to monetize heavier, higher refractory crudes? Question-4 What are the top segments and activities influencing petcoke production?... more