Pipeline Integrity

TechCorr‘s Pipeline Integrity group provides experts in the nondestructive examination of pipelines during anomaly digs and/or the validation of anomalies for the purpose of qualifying in-line inspection data; using both conventional and advanced technology.

We also offer “Persons in Charge” responsible for entire projects and/or act as the client representative’s “Eyes and Ears” overseeing construction contractor performance. Persons in Charge (PICs) have project management and communication expertise able to act as the eyes and ears for the client; to report production and quality check contractor performance.  Typical PIC’s are qualified visual inspectors with certification in coatings inspection and/or installation of steel/composite pipe repair solutions.


TechCorr ‘s pipeline integrity professionals are qualified in obtaining soil samples, measuring pipe to soil potentials, soil resistivity and similar activities.  Additionally, our Pipeline Integrity professionals are supported by a group of engineers capable of evaluating MAOP and Burst Pressures using RSTRENG and/or KAPPA calculation methodologies.


Guided wave ultrasonic testing (GWUT), also known as long-range ultrasonic testing (LRUT), is a screening tool for rapidly testing long lengths of pipe from a single inspection point. GWUT provides 100% coverage of the pipe wall without having to remove insulation or coating. It quickly identifies areas of corrosion or erosion that may then undergo more detailed inspections using other NDT techniques, such as radiography or 3D structured light.




Magnetic Particle Inspection (MPI) is a non-destructive testing (NDT) process for detecting surface and shallow subsurface discontinuities in ferromagnetic materials such as iron, nickel, cobalt, and some of their alloys. The process puts a magnetic field into the part. The piece can be magnetized by direct or indirect magnetization. Direct magnetization occurs when the electric current is passed through the test object and a magnetic field is formed in the material. Indirect magnetization occurs when no electric current is passed through the test object, but a magnetic field is applied from an outside source. The magnetic lines of force are perpendicular to the direction of the electric current, which may be either alternating current (AC) or some form of direct current (DC) (rectified AC).