Patent ID: 9273551
Filing Date: 2016-03-01
CPC Classification: E21B

Claim Text:
1. An apparatus for sampling a subterranean reservoir fluid, the apparatus comprising: a. a fluid inlet port; b. a tubular portion; c. a piston disposed within the tubular portion, wherein one or more surfaces of the piston and the tubular portion in conjunction with the fluid inlet port, at least in part, define a sample collection space and wherein the piston is attached to a motor within the tubular portion; d. a sleeve within the tubular portion, wherein the sleeve is connected to a rotatable shaft of the motor; e. a support attached to the inside surface of the tubular portion wherein the outside surface of the sleeve is attached to the support such that the sleeve can rotate while held in place by the support; f. a screw having one end attached to the piston and the other end moveable within the sleeve; g. a plurality of rods within the tubular portion wherein the plurality of rods are attached to the piston and pass through the support; h. a gearbox in the tubular portion for magnifying torque generated by the motor; and i. a connector for conveying the apparatus to a desired subterranean location.