Expandable systems that facilitate desired fluid flow

US7168485B2 · kind B2 · utility

Assignee

• SCHLUMBERGER TECHNOLOGY CORPORATION · US

Inventors

• Craig D. Johnson · Conroe, US
• Matthew R. Hackworth · Pearland, US
• Kian Rasa · Ithaca, US
• Christopher S. Del Campo · Houston, US
• Rod Shampine · Houston, US
• Claude Vercaemer · Paris, FR
• Gerhard Schoonderbeek · Stavanger, NO

Key dates

• Filing date: Jul 31, 2003
• Grant date: Jan 30, 2007
• Expiry date: Jan 4, 2024

Classification

• Technology area (CPC E): Fixed Constructions
• CPC primary: E21B43/103
• WIPO field: Civil engineering
• WIPO sector: Other fields

Abstract

An expandable device, such as a sand screen, is used in a wellbore. The expandable device comprises an expandable base pipe and a filter layer that facilitates expansion of the device while maintaining filtering capability.