Patent ID: 8770286

Claim:
A system for a formation testing tool, comprising: a module with a fluid sampling inlet configured to draw a fluid sample from at least one of a wellbore and a subterranean formation into a sample flow line, wherein the module is configured with a body forming a filter flow route and a bypass flow route in the sample flow when connected to the tool; a filter connected within the filter flow route, the filter within the body; a bypass valve in fluid connection with the filter flow route and the bypass flow route, wherein the bypass valve is configured to operate between a filter position routing the fluid sample through the filter flow route and a bypass position routing the fluid sample through the bypass flow route; a purge valve in fluid connection with the filter flow route, the purge valve configured to operate between the filter flow route and exterior of the body and a closed position blocking the fluid communication; and a device movably disposed with the filter, the device being configured to expel the fluid sample from the filter when moved toward the purge valve in the open position.