It is widely acknowledged that core stabilisation is the only measure that prevents damages to the core during its transportation from the field to the lab.
The Lithotarge® process was developed by ALS as an alternative to the stabilisation of core using either resin or gypsum. The method consists of introducing a closed cell foam into the annulus between the core and the inner liner. A coloured version (Lithopink™) is available for fracture application in order to differentiate minerals from the stabilisation product.
ALS consider that this method has several advantages over alternative stabilisation methods.
These advantages range from the practical application of the method, which is more robust and less dependent on variables such as ambient temperature and time constraints through to flexibility of the method, a major advantage being that the Lithotarge® foam can be removed from the surface of the core once the core has been removed to the laboratory.
Several papers have been published demonstrating the superiority and reliability of the Lithotarge® stabilisation over conventional techniques.