Scope This section covers the measurement of drill pipe with ultrasonic tools. Apparatus Pulse echo type ultrasonic instrument. The transducer shall have separate transmission and receiving elements. Both elements are to be inspected and calibrated accordingly. Linearity Calibration. The device shall be calibrated every 12 months. All gauges are to be calibrated by NIST. They … Continue reading Ultra-Sonic Inspection
Tag: Drill Pipe
Visual Inspection
Scope It covers the visual examination, of the internal and external surfaces of drill pipe, to determine, the general condition. Apparatus Paint marker Depth gauge Light capable of illuminating the full length of the internal surface Preparation All pipe should be numbered sequentially Surface shall be clean and the metal surface clean. NO surface particle … Continue reading Visual Inspection
Drill Pipe Inspection
SCOPE This document recommends standards procedures for conducting an inspection program on drill stem components. Inspection and disassembly of equipment such as jars, and hole openers are not covered. PURPOSE To reduce inspection errors. The program defines: What method to use on which component A step by step procedure for each method What defines acceptable … Continue reading Drill Pipe Inspection