Patent ID: 7128144
Filing Date: 2006-10-31
Classification: E21B

Abstract:
1. A formation tester for testing or sampling formation fluids in a borehole, comprising: an elongated sealing pad having at least two inlets establishing fluid communication between the formation and the interior of the tester, the elongated sealing pad having an outer surface to hydraulically seal an elongated region along a surface of the borehole and also having at least two elongated recesses extending longitudinally along the outer surface of the pad, each of the at least two elongated recesses establishing a fluid flow channel along the surface of the borehole sealed off by the sealing pad, wherein adjacent recesses in the sealing pad are hydraulically isolated from each other; a mechanism controlling collection of fluids through at least one inlet into the tester, wherein fluids are being collected from the elongated region along the surface of the borehole sealed off by the sealing pad.