Abstract: A method for sealing at least a portion of a well can include the step of injecting the sealing medium into the portion of the well which is to be sealed, wherein the sealing medium comprises quick clay. The sealing medium can be configured for facilitating the removal of casing from a well.
Abstract: A sealing medium and a method are for sealing at least a portion of a well. The method includes the step of: injecting the sealing medium into the portion of the well which is to be sealed, wherein the sealing medium comprises quick clay. The use of quick clay as a sealing medium in a well and the use of quick clay for facilitating the removal of casing from a well are also described.