Our pipe type, which is produced in two different ways as Flat Filter Drilling Rig and Closed Drilling Rigiz Pipe, is Spiral Welded and Non-Perforated, Flat Filter Pipes are bent in the appropriate diameter with cylinders after the plate sheets of different sizes are drilled and turned into pipes. According to the geographical characteristics of the region to be used, flat filter drilling equipment pipes are generally used in wells drilled in rocks such as massive, hard limestone, basalt, andesite, tuff, where mud leakage is observed against cracked, cavernous, watery levels.