Packer
AssigneePetrowell Limited
InventorsIain Macleod, Steve Reid
Life of this patent
Estimating the term…
Abstract
A packer for a well is described. The packer comprises at least one packing element, at least one anchoring element, and a mandrel coupled to the at least one anchoring element. The packer is arranged such that, once set, the mandrel is free to move with respect to the packing and anchoring elements. In one embodiment the at least one anchoring element is integral with the at least one packing element. In an alternative embodiment the at least one anchoring element is separate from the at least one packing element.
Claims18
A packer for a well comprising:
- at least one packing element;
- at least one anchoring element, and
- a mandrel coupled to the at least one anchoring element,
- wherein, once set, the mandrel is free to move with respect to the packing and anchoring elements.
A method of setting a packer in a well, the method comprising the steps of:
- expanding at least one integral packing/anchoring element outwardly from a mandrel from a run-in configuration to create a set configuration with a surface of the well;
- and
- actuating the packer to free the mandrel to allow said mandrel to be moveable with respect to the packing and anchoring elements.
A method of setting a packer in a well, the method comprising the steps of:
- expanding at least one anchoring element outwardly from a mandrel from a run-in configuration to create an anchored configuration with a surface of the well;
- expanding at least one packing element outwardly from the mandrel from a run-in configuration to create a sealed configuration with a surface of the well;
- and
- actuating the packer to free the mandrel to allow said mandrel to be moveable with respect to the packing and anchoring elements.
Dependencies are inferred from the claim text.