Patent ID: 6536521
Filing Date: 2003-03-25
Classification: E21B,F04F

Abstract:
A liquid elevator comprising:a hollow casing; a first header having the shape of a cross section of said hollow casing, said first header defining a first hole therein; a second header having the shape of a cross section of said hollow casing, said second header defining a second hole therein; where said first and said second headers are placed near opposite ends of said hollow casing such as to seat said hallow casing, but for said holes defined in said headers; a first pipe having one end sealed in said first hole such that liquids or gases transiting said first hole must pas s through said first pipe; a second pipe having one end sealed within said second hole such that liquids or gasses transiting said second hole must pass through said second pipe; and a reservoir area defined within said hollow casing.