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MSD supplies rotary shock absorbers for managing shock and vibration in rotary drill strings. Configuration requires rig, rotary-head, drill-string, and connection confirmation.
MSD rotary shock absorbers are rotary drill-string components used to help reduce shock and vibration transmitted through the drill string during drilling. The final configuration should be confirmed from the rig and rotary-head information, upper and lower connection requirements, drill-string arrangement, and mating components.
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Read MoreRotary shock absorbers are components selected for rotary drilling and rotary drill-string configurations. This page covers rotary-qualified shock- and vibration-control requirements; it does not define DTH shock absorbers, drilling jars, or generic oilfield and BHA shock tools.
During rotary drilling, shock and vibration can be transmitted through the drill string. A rotary drill shock absorber is used within the rotary drill string to help absorb or damp these dynamic loads. The final result depends on the actual drilling system and operating conditions, so the product should not be selected from its general name alone.
Rotary shock absorbers are typically positioned in the upper part of the rotary drill string near the rotary head, while the exact installation arrangement depends on the rig and drill-string configuration. The final configuration should be confirmed against the rotary-head side, upper and lower mating connections, drill pipes, and the rest of the rotary drill-string arrangement.
Connection compatibility cannot be assumed because two components are both described as rotary drilling equipment. The exact connection required at each end must be identified before a rotary shock sub or absorber can be technically confirmed.
For a new rotary shock absorber requirement, provide the drill-rig model, rotary-head information, upper and lower connection requirements, drill-pipe and drill-string configuration, drilling method, hole size, application, and quantity. For mining or rotary blasthole drilling, the application provides operating context but does not replace connection and drill-string confirmation.
For a replacement requirement, provide the existing product markings, available dimensions, connection details, drawings, photographs, and sample information where available. MSD can review the supplied rig, connection, drill-string, and replacement information before confirming an available configuration for quotation.
Technical content reviewed by MSD Engineering Team. | MSD — 23+ years of rock drilling tools manufacturing expertise | ISO 9001 Certified | Exporting to 40+ countries
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