Patents Assigned to PIPE SLIDERS LTD.
  • Patent number: 11105182
    Abstract: A compact rotary surface jack with a driven rotary hanger flange on an upper travelling plate of the jack is provided by the invention; the jack is preferably a horseshoe jack. Capabilities to work on the well such as rotating and reciprocating while cementing casing in place in the well, or setting or unsetting in-hole devices such as packers, anchors and bridge plugs (etc.) by providing low speed (1-6 rpm) rotational force and short (1-6 feet) linear vertical forces to tubulars in a well to which the device is attached, are enabled.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: August 31, 2021
    Assignee: PIPE SLIDERS LTD.
    Inventors: Conrad Petrowsky, Jeremy Hayter