Patent ID: 7090012
Filing Date: 2006-08-15
Classification: E21B

Abstract:
1. A downhole tool useful for extracting fluid from a subsurface formation penetrated by a wellbore surrounded by a layer of contaminated fluid, the subsurface formation having virgin fluid therein beyond the layer of contaminated fluid, the downhole tool comprising: at least two packers carried by the downhole tool, the at least two packers capable of sealingly engaging the sidewall of the wellbore whereby an isolated portion of the wellbore therebetween is fluidly isolated from a remainder of the wellbore; a plurality of intakes positioned along the downhole tool between the packers; and at least one pump operatively connected to the plurality of intakes for selectively drawing fluid into one or more specific intakes of the plurality of intakes whereby the virgin fluid is collected in the downhole tool.