Patents by Inventor Robert L. Bucher, III

Robert L. Bucher, III has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Compression-actuated multi-cycle circulation valve
    Patent number: 9435172
    Abstract: A downhole tool conveyed via tubing within a wellbore at a wellsite comprises a hydraulic tool driven by fluid pumped to the hydraulic tool via the tubing. The downhole tool further comprises a valve in fluid communication between the tubing and the hydraulic tool. The valve is configurable in the wellbore between an expanded position, establishing a bypass diverting at least a portion of the pumped fluid away from the hydraulic tool, and a compressed position, closing the bypass.
    Type: Grant
    Filed: October 28, 2013
    Date of Patent: September 6, 2016
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Mark C. Oettli, L. Michael McKee, Robert L. Bucher, III, Mohammad Hajjari
  • Compression-Actuated Multi-Cycle Circulation Valve
    Publication number: 20150114644
    Abstract: A downhole tool conveyed via tubing within a wellbore at a wellsite comprises a hydraulic tool driven by fluid pumped to the hydraulic tool via the tubing. The downhole tool further comprises a valve in fluid communication between the tubing and the hydraulic tool. The valve is configurable in the wellbore between an expanded position, establishing a bypass diverting at least a portion of the pumped fluid away from the hydraulic tool, and a compressed position, closing the bypass.
    Type: Application
    Filed: October 28, 2013
    Publication date: April 30, 2015
    Applicant: Schlumberger Technology Corporation
    Inventors: Mark C. Oettli, L. Michael McKee, Robert L. Bucher, III, Mohammad Hajjari