Patent ID: 6454010
Filing Date: 2002-09-24
Classification: E21B,F04C

Abstract:
A fluid displacement apparatus comprising:a motor unit having a first gearset having an output shaft, said output shaft having an axis of rotation defining an axial direction; an inlet by which fluid can flow to said first gearset; and an outlet by which fluid can flow away from said first gearset; a gear pump unit mounted axially with respect to said motor unit, said pump unit having a second gearset connected to be driven by said output shaft of said first gearset; an inlet by which production fluid can flow to said second gearset; and an outlet by which the production fluid can flow away from said second gearset; and a transport apparatus having a first end and a second end, said second end being connected axially relative to said motor unit and said pump unit; and said transport apparatus having a first passageway defined therein in fluid communication with said inlet of said motor unit by which fluid under pressure can be directed to said first gearset to turn said output shaft; and at least a second passageway defined therein in fluid communication with said outlet of said gear pump unit by which the production fluid from said second gearset can be conveyed to said first end of said transport apparatus.