Patent 7992645 was granted and assigned to Packers Plus Energy Services Inc. on August, 2011 by the United States Patent and Trademark Office.
A tubular member for lining a wellbore, the tubular member comprising: an inner tubular member including a first end, an opposite end, an axial bore extending from the first end to the opposite end and an outer surface; an outer tubular including a base end and an outboard end, the outer tubular connected about the inner tubular adjacent its base end and a locating profile in the axial bore of the inner tubular.