Patent ID: 6668925
Filing Date: 2003-12-30
Classification: E21B

Abstract:
A well, comprising:a string of casing extending into a well; a packer sealingly engaging the casing; a conduit extending into the well, the conduit having a lower portion sealingly engaging the packer, the conduit having an opening in its lower portion for receiving well fluid from below the packer; a gas separator mounted to the conduit for separating gas from the well fluid, the separator having a gas outlet above the packer; a submersible pump assembly retrievable through the conduit independently of the gas separator, which comprises a pump and an electric motor, the pump assembly being lowered into the conduit and landing above the gas separator, the pump having an inlet and an outlet; and a pump seal located around the circumference of the pump between the pump inlet and the pump outlet, which seals the pump to the conduit.