Description
Equipment Type: Mechanical/Hydraulic Shock Subs or Bumper Subs.
Components Visible: Heavy-walled outer barrels with bolted seal assemblies and internal spring-loaded mandrels.
Material: Non-magnetic or high-tensile drill collar steel.
Application: Made up into the Bottom Hole Assembly (BHA) of a drill string to absorb axial vibrations and bit bounce, protecting sensitive downhole electronics and improving drilling efficiency.
Condition Notes (April 2026)
Tools are stored indoors on heavy-duty racking.
They have been freshly greased and shrink-wrapped, indicating they were prepped for deployment or long-term preservation.
Mechanical Status: Assumed field-ready or ready for final assembly, but sold “As-Is” pending a visual thread and seal inspection.
