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Safety Sub for Casing Reamer Shoe by Ahmed Elwany is a document available to read on EtoBox.

What is Safety Sub for Casing Reamer Shoe about?

The document describes the operating principles and design of a new safety sub used with a motorized casing reamer shoe. The safety sub is installed above the reamer shoe and has a sleeve that opens ports when a preset differential pressure is reached between the inside of the casing and annulus. The differential pressure is adjusted by the number of shear pins installed, which open the ports simultaneously. The safety sub design has been proven with over 300 units manufactured and used successfully in mult

Author

Ahmed Elwany

Language

EN