Shock & Vib - BHA related

All,

Trying to optimize intermediate BHA in effort to decrease shock / vibe & would appreciate your thoughts & experience (good / bad)  with below...

1)  Currently running 8" NMDC, then XO to 6-1/2” DC´s.  Would additional 8” DC´s help to minimize shock/vibe by maximizing inertia? Any downsides?...are HW a better alternative?

2) Effectiveness of shock sub or other shock./vibe dampening tools

3)  Effect of bit guage length

4)  In production section, the effect of slick vs flex NMDC while choosing DCs

5)  IBS vs roller reamer effectiveness

Thanks

6 Answer(s)

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