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Shockforce Drilling Jar from NOV

NOV-ShockForce-Drilling-Jar-Technical-Summary.pdf

Technical summary of the new modular design represents a step change in jar technology. The 2 modules offer over-pull and safety lock mechanisms. An explanation of the difference between a traditional safety collar and the new product. An existing mandrel can be modified to include a Safety Cap, and this cap interacts with three lock segments. Results from the use of this tool show that there is an increased spring rating to ensure a closed lock on return. Some of the benefits of the new technology include elimination the need for a safety collar; reduction in manual handling and reduced likelihood of a dropped object occurring.

File Type
PDF
File Size
1.3 MB
Date
7 Mar 2013