0 التعليقات
0 المشاركات
735 مشاهدة
0 معاينة
البحث
إكتشاف أشخاص جدد وإنشاء اتصالات جديدة وصداقات جديدة
-
الرجاء تسجيل الدخول , للأعجاب والمشاركة والتعليق على هذا!
-
Diamond Drilling: Technical Overview for PractitionersPrinciple of Diamond Drilling Diamond drilling [1] relies on the extreme hardness and abrasion resistance of diamond to cut virtually all rock types encountered in mineral exploration. Material removal is achieved by grinding rather than impact, producing a cylindrical core suitable for geological logging and analysis. A typical diamond drilling system consists of: a power unit...0 التعليقات 0 المشاركات 1كيلو بايت مشاهدة 0 معاينة
-
Vibration in Diamond DrillingWhat causes it, what it costs you, and how to fix it. Why it matters Vibration wastes cutting energy. Instead of steady torque driving the bit, you get cyclic bending and impact. The result: Lower core recovery. Faster diamond wear and loss. More wear on rods, couplings, and barrels. Lower ROP at the same WOB. Can't run the RPM you need without the string going...0 التعليقات 0 المشاركات 1كيلو بايت مشاهدة 0 معاينة