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
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Wellbore Tubulars
Casing hanger – this is installed to support the individual casing strings in the well. This is the landing base or casing head. This is usually welded or screwed to the top of the surface casing string. The surface casing string serves as a foundation pile for the well. This transfers the hanging load to … Continue reading Wellbore Tubulars