all-electric equipment for downhole flow control system

摘要

A valve type apparatus for an exclusively electric downhole flow control system using a hollow shaft motor is described, said valve (200) comprising: a housing (105) provided with infinite choke (109) where the seal with respect to the exterior and interior of said valve (200) is secured by seals (106, 107); a hollow shaft servo motor (101) contained in said housing (105) and being coupled to a nut (102) (nut) and additionally when said motor (101) is driven by directly moving a sliding sleeve (103) ) provided with infinite choke (108) in the axial direction of said valve; and wherein the movement of said motor (101) is generated by means of a spindle (104) manufactured in said sliding liner (103) itself, and wherein said valve (200) is operated from the surface by a single electric cable (112).