The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 27, 1986
Filed:
Jan. 31, 1984
Kenneth E Pope, Wagoner, OK (US);
Other;
Abstract
A rodless submersible down hole pumping unit for a producing oil and/or gas well and including in combination a submersible prime mover operably connected with a source of electrical power from the surface of the ground through a suitable electrical cable. A pressure fluid source, a fluid moving pump operably connected with the motor for actuation thereby, a shifting valve assembly operable between the fluid moving pump and a shift rod assembly for transmitting reciprocation to a piston rod, the piston rod cooperating with a product valve unit for drawing well fluid from the fluid reservoir of the oil and/or gas well into the interior of the apparatus and discharging the well from the interior of the apparatus into the well tubing during continued reciprocation of the piston rod whereby the well fluid may be delivered to the surface of the ground for recovery thereof.