Mohawk Energy, Ltd.

Coretrax Americas Limited

Jorge Bermudez

Scott Anthony Benzie

Andrei Gregory Filippov

Alessandro Caccialuppi

Andrei G Filippov

An expandable liner hanger includes an anchoring element having multiple circumferential ridges that include flow relief grooves which prevent buildup of hydrostatic pressure between the liner hanger and well casing during expansion of the liner hanger. Upon liner hanger expansion the ridges come in high interference with wellbore casing and couple the liner hanger to the wellbore casing. According to another embodiment of the invention, the ridges are formed by a spiral ridge extending along an outer periphery of the hanger thus providing a pressure relief passage for the fluid.

Expandable liner hanger

A device and method for an expandable anchor sleeve. An expandable anchor sleeve may comprise a front-end and a back-end for a wellbore comprising a base casing. The expandable anchor sleeve may further comprise an anchoring element having a conical shape with a front-end radial thickness being larger than a back-end radial thickness, not less than a difference between corresponding radii of maximum and minimum internal diameters of the base casing and providing the anchoring element is in interference contact with the base casing upon radial expansion of the expandable anchor sleeve by an expansion swage propagating in the front-end direction. A method for installation of an expandable anchor sleeve in a well comprising a base casing which may comprise connecting an expandable anchor sleeve to an expansion, deploying the expandable anchor sleeve, activating the expansion device, and removing the expansion device from the well.

Growing community of inventors

Houston, TX, United States of America

Jorge Bermudez