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1. (WO2017058220) MODIFIED FILTER SCREEN

Pub. No.:    WO/2017/058220    International Application No.:    PCT/US2015/053312
Publication Date: Fri Apr 07 01:59:59 CEST 2017 International Filing Date: Thu Oct 01 01:59:59 CEST 2015
IPC: E21B 43/08
Applicants: REME, L.L.C.
Inventors: CANTRELL, William, Jay
ALI, Faraz
Title: MODIFIED FILTER SCREEN
Abstract:
A modified filter screen for use in a downhole drilling operation is disclosed. The filter screen is able to be installed at the surface of a well, and is pin-loaded for easy access and maintenance. The modified filter screen may be retained within a section of pipe below the top drive above the rig floor by allowing dowel pins on the section of pipe to engage with latch slots on the filter screen.