Well treatment apparatus, system, and method

摘要

System, devices, and methods are described relating to the treatment (e.g., perforating, fracturing, foam stimulation, acid treatment, cement treatment, etc.) of well-bores (e.g., cased oil and/or gas wells). In at least one example, a method is provided for treatment of a region in a well, the method comprising: positioning, in a well-bore, a packer above the region of the well-bore, fixing, below the region, an expansion packer, treating the region, the treatment fixing the packer, moving the expansion packer, and moving the packer after the moving of the expansion packer.

主权项

1. A method of treatment of a region in a well, the method comprising:
positioning, in a well-bore, a first packer above the region of the well-bore, fixing, below the region, an expansion packer, treating the region, moving, with respect to the first packer and after treating the region, the expansion packer longitudinally in the well, and moving the first packer after the moving of the expansion packer, and wherein the moving of the expansion packer comprises movement of a packer mandrel and a first packer mandrel wherein the first packer mandrel slides within a first packer sleeve.