Marine Link
Sunday, September 25, 2016

Madcon Receives Patent Number

April 1, 2003

Madcon Corporation has been awarded the U.S. patent number, 6,536,991, for its Structural Composite Retrofit System. Utilizing composite materials, the system provides full structural restoration of damaged or corroded tubular members such as drive pipe casing, conductors, jacket legs and bracing, concrete or steel piling, and risers/pipelines. The system can also be used to upgrade the original design capacity of platform members. Several major offshore owner operators recently installed the Structural Composite Retrofit System from the (-15) to (+60) elevation to rebuild extremely corroded drive pipe casing. The company also has a patent pending on its method to repair damaged or collapsed casing in gas and oil wells. This repair method sets a new precedent in cost reduction by providing a way to restore structural integrity to conductor and surface casing without using a drilling rig. The traditional approach has mandated mobilizing an expensive drilling rig to replace failed casing. Madcon found most well casing perforations and failures occur within 10 feet of the wellhead due to high oxygen content of water trapped on top of, or even within, poor cement grout. Experience with halting this destructive corrosion process led to developing their casing repair method. Madcon recently repaired over a dozen offshore wells for two major production companies at a cost of $40 –100 million per well.


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