Expandable casing goes into the well in one diameter, then as an expansion mandrel is either drawn through or pushed through, it expands by as much as 300%. The technology was recently developed and tested in a slotted form. This technology and a new solid form are the subject of several marketing alliances and offer a glimpse intot he inner working of Shell's new technology commercialization company, Shell Technology Ventures Inc.

Document Type
Industry Article
Date Published
Friday, July 31, 1998
North America