Modified 529 Caliper

              Modified 630 Caliper

                  Modified 529 MFL

                   Modified 630 MFL

        To address the structural risks associated with the tee of the pig receiver, the IP team adopted a dual-protection technical solution. At the hardware level, customized dedicated pig trap cage were fabricated based on the dimensions of the pig receiver and its tee, and installed at key internal   positions of the pig receiver to form a physical barrier, preventing the detectors from being drawn into the tee during the pig receiving. At the detector operation level, leveraging the stable flow rate of crude oil transportation, the team accurately calculated the detector’s running speed to predict the exact time point of its arrival at the pig receiver in real time. When the detectors were about to reach the pig receiver, the team promptly notified the client to reduce pipeline flow rate and pressure, and shut down the pig-receiving process the instant the equipment entered the pig receiver, thus eliminating the risk of detector damage caused by prolonged adsorption.

                                                         Pig trap cage

        Under this dual-protection mechanism, the IP team successfully completed the in-line inspection operations using both the caliper and the MFL. Upon completion of the inspection, the technical personnel immediately conducted a comprehensive functional and mechanical check of all detectors, confirming that all detectors were intact and undamaged. Subsequently, the collected inspection data underwent meticulous verification. The results indicated that the data integrity rate reached 100%, with clear and accurate defect identification.This has provided high-quality data support for pipeline corrosion level assessment, structural integrity analysis, and the formulation of subsequent maintenance plans.

                                                                                                        Clear Metal loss and Spiral weld 

                                                                                                     Clear Metal loss and Spiral weld 

         IP Pipeline Technology has been diligently researching and refining in-line inspection technologies, overcoming various technical challenges in in-line inspection, and accumulating extensive experience in in-line inspection projects. Looking ahead, IP will continue to focus on the R&D and application of in-line inspection technologies for oil and gas pipelines, provide professional and reliable inspection services to global oil and gas pipeline operators, and contribute to the safe and efficient operation of global oil and gas operation networks.