Dual Passages Layering Production Sliding Sleeve(Patent for Invention)

The Layering Production Sliding Sleeve is a VCTSY patent for invention product, particularly designing for layering production process with dual passages. By different combinations can provide site engineers more solutions for oilfield technologies. It can replace the traditional Sliding Sleeve and achieve a diversification for production formation controlling. Featured with a simultaneous laying production, meeting fracturing operations during a workover, standard operating method and big flow passage etc.

Features

• Layering production process with dual passages.
• Material selection for the body: AISI4140,9Cr1Mo,13Cr,S13Cr
• Material selection for seal units: Teflon, Aflas, Viton, Nitrile and PTFE
• All types of threads are available.