Patents Assigned to Kenneth L. Hofler, Sr.
  • Oil lift system
    Patent number: 6039544
    Abstract: A wellhead assembly including a skid, drum, cable spooled on the drum and level wind mechanism is set forth to extend the cable into and out of a well borehole for production of a stripper well. The cable spools over a measuring wheel extends into the well and supports a bail on the end of it. The bail has a foot valve for filling, thereby enabling retrieval of a bail into a surface located stinger connected with a pump to drain the bail. A control system enables cyclic operation.
    Type: Grant
    Filed: February 27, 1998
    Date of Patent: March 21, 2000
    Assignees: Jerry Alexander, Kenneth L. Hofler, Sr.
    Inventor: Charles Strickland