Đang chuẩn bị nút TẢI XUỐNG, xin hãy chờ
Tải xuống
Lecture Drilling engineering: Drill bit technology. By the end of this lecture you should be able to recognize different bit types; describe various process of bit design with respect to roller cone bits and PDC bits; select bits for various formation types and drilling conditions; grade bits using the IADC Dull Grading System; utilize the IADC code to describe and compare bits; identify important operational aspects that effect bit performance; . |