As of February 27, 2004, An ExproSoft-led consortium completed an extensive study of risk aspects related to completing a range of different well types (mostly subsea wells) with and without a tubing retrievable, surface controlled, subsurface safety valve (TR-SCSSV). The study contract was awarded in March 2002. Subcontractors to ExproSoft were SINTEF Environmental Chemistry, Well Flow Dynamics, Safetec and Marintek.
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