Apparatus and method for cutting and pulling of a casing

摘要

An apparatus and method are for cutting and pulling of a casing in a well. The apparatus comprises a housing connected to a wired connection, a cutting tool arranged in connection with the housing, where said cutting tool is rotatable around the longitudinal axis of the housing and arranged to be able to provide at least one cut-out in the wall of the casing and to be able to cut the casing, and a holding device for controlled holding of the housing in the casing. The apparatus is provided with at least one radially displaceable gripping means arranged to go into engagement with the at least one cut-out in the wall of the casing. The method comprises bringing the apparatus down into the well; positioning the apparatus in order to carry out a first cut; carrying out the first cut; positioning the apparatus in order to carry out a second cut; carrying out the second cut; one of the first cut and the second cut comprising cutting of the casing; bringing at least one gripping means into engagement with at least one of the first and the second cut; and pulling the cut casing out of the well by means of the apparatus.

主权项

1. An apparatus for cutting and pulling of a casing in a well, where the apparatus comprises:
a housing connected to a wired connection; a cutting tool arranged in connection with the housing, where said cutting tool is rotatable around a longitudinal axis of the housing and arranged to be able to provide at least one cut-out in the wall of the casing and to be able to cut the casing; and a holding device for controlled holding of the housing in the casing;wherein the apparatus is provided with at least one radially displaceable gripping means arranged to go into engagement with the at least one cut-out in the wall of the casing.