Pipe Maintenance

High-Quality Smart-Pig Inspection of Dents

In addition to requirements derived from the preceding analytical considerations and regulatory demands mentioned in the OGE July issue, some other aspects have to be considered for the conceptual design of a geometry inspection tool.

High-Quality Smart-Pig Inspection of Dents

In-tube Magnetic Examination of Lined Tubing with Weld Joint Protective Bushing of Various Design

The present paper substantiates 100 percent practicability of inspecting lined tubing with protective bushing by magnetic examination, utilizing in-tube magnetic detectors. Results of bench tests on driving a magnetic shell-type detector in a pipe coil with welded joint and protective bushing and artificial defects are presented below.