The present invention provides methods and apparatus for separating and/or analyzing fluids of interest. According to principles of the present invention, fluid analysis is accomplished with microfluidic devices and may be reported in real-time or near real-time in a subterranean environment. In addition...http://www.google.com/patents/US7575681?utm_source=gb-gplus-sharePatent US7575681 - Microfluidic separator
