The Operator on the Norwegian Sector of the North Sea had a challenge with gas migration in cement behind casing. Among other options, the customer considered and selected ThermaSet® to solve their challenge.
Below, you get more insight into this case. You may also download your free copy of the case study, which also includes details about how Wellcem implemented the solution and most importantly - the results achieved for the operator company.
The appraisal well was a candidate for P&A and had developed gas channeling problems:
It was believed that the gas is coming up along the well behind 20” casing and then enters the well through a possible connection leak in the 20” casing.
After several attempts to solve the problems with cement and being on location much longer than planned. It was decided to use a Wellcem Resin System to squeeze and isolate the gas channels. The low visicosity of the resin allowed in to get into the micro channels and seal of the movement of gas to the surface.
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