It is perforated style. The Filter consists of stainless steel sheet with round hole filter slot, cut and folded under a truncated cone of predetermined angle, a perforated bottom, a removable Seating ring and the extractor handle.
It is screen pipe used in drll pipe when oil well drilling, the function is filtering the drilling fluid and protecting the MWDS instrument. During the drilling fluid circulation, the impurities are filtered out by the screen. Then the clean drilling fluid could prevent the impurities clogging bit port.
Style: perforated style, slotted style, bar style
Main size: suitable for 5-1/2’’ 4-1/2’’ 3-1/2’’ and 2-7/8’’ drill pipe
Regular Material: Stainless steel 304, 316