Robert Donald John Sedgeman

3 Patents

• US124978442025

  High Frequency Torsional Oscillation Mitigation Tool

  ROCKATEK LIMITED

  0 cites
• US123451572025

  Piston and Cylinder Assembly of a Downhole Tool, Downhole Tool with a Piston and Cylinder Assembly, and Method of Assembling the Piston and Cylinder

  ROCKATEK LIMITED

  0 cites
• US119939852024

  Downhole Assembly to Mitigate High Frequency Torsional Oscillation, and Oscillation Mitigation Tool Suitable for Use in a Downhole Assembly

  ROCKATEK LIMITED

  0 cites