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The major portion of drill string is composed of drill pipe. Drill pipe consists of three components: a tube with a pin tool joint welded to one end and a box tool joint welded to the other. Before the tool joints are welded to the tube, the tube is upset, or forged, on each …
Author: Mustafa AbdulSattar Gravitational, Magnetic, Radioactive and Thermal are depend on the rock inherent properties Like (Density, Magnetism, temperature and radioactive properties) —-Passive Electric–natural Currents or Artificial Electrical Source—passive Seismic-Artificial Source of Energy —Active The Gravity Method: The weight of any body depends on the force of gravity at the spot. The force of …