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Application filed by Володимир Іванович Сівецький, Валерій Миколайович Куриленко, Ігор Олегович Мікульонок, Ігор Ігорович Івіцький, Олександр Леонідович Сокольський, Вадим Вікторович РоманюкfiledCriticalВолодимир Іванович Сівецький
Priority to UAU201504891UpriorityCriticalpatent/UA102098U/en
Publication of UA102098UpublicationCriticalpatent/UA102098U/en
A screw extruder comprises a hollow body with loading and unloading openings, and a screw located therein with possibility of rotation, equipped with a support bearing unit and made of two sections by length. The section of screw from the side of loading opening is made of larger diameter and with possibility of longitudinal movement relative to the section of the screw from the side of unloading opening. Also, the section of screw from the loading opening is equipped with an independent drive of rotation.
A drilling system for use in a drilling formation, which comprises: a head assembly with a longitudinal axis, an outer surface, an inner surface and a proximal end, where the inner surface of the head assembly defines a central inner diameter , the proximal end of the head assembly defines an opening in operative communication with the central inner diameter, and a davit with a distal part.