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OFFSHORE DRILLING RIGS
ONSHORE OR LAND DRILLING RIG. Part-1
EMI CALIBRATION & ELECTRO MAGNETIC INSPECTION
EMI CALIBRATION PART - 3
EMI CALIBRATION PART - 2
EMI CALIBRATION PART -1
MANUAL TONG
NC-50 OR 4-1/2 IF ROTARY SHOULDER CONNECTION.
5-1/2 FULL HOLE API ROTARY SHOULDER CONNECTION
SIMPLY IDENTIFY 3-1/2 IF or NC 38 ROTARY SHOULDER CONNECTION
SIMPLY UNDERSTAND THE SCALE DIVISIONS "API Recommended Rule with Divisions"
HOW TO USE TOOL JOINT IDENTIFIER
