Which forms an integral part of GATEWAY GROUP, was established to cater to our client’s need for Engineering, Project Management, Procurement, fabrication and supply solutions in the face of dynamic growth in the Oil & Gas, Petrochemicals and Minerals Processing Industries with our extensive experience in Central Asia and the Middle East. Gateway’s MTM is well-placed to adapt innovative technologies that frequently exceed industry benchmarks and offer turnkey solutions.
MTM is staffed with an experienced team of design engineers who are qualified in various domains. Our integrated services extend to design, engineering, procurement services and fabrication works for executing Engineering, Procurement, Installation & Commissioning (EPIC) projects.

MTM technology is a holistic solution method to inspect the technical condition of ground/underground and offshore pipelines by scanning and detecting magnetic field changes reflected from a combination of stress and defects without contact.

The advantages of MTM inspection are:

• No need to stop and somehow preparing the pipeline;
• There is no restriction on the length of the inspected pipeline;
• Access to the pipeline is not required, diagnostics are carried out remotely;
• There are no restrictions on the pipeline diameter.
•  Use of MTM technology is fully consistent with the ESG principles of doing business and contributes to the creation of a “carbon-neutral” companies that take environmental responsibility.

Aqua-MTM (Magnetic Tomography Method)

For the First time – evaluation of the technical condition of pipelines taking into account the operating local stresses in real operating conditions

AQUA MTM, keeping all the advantages of the ground/underground MTM, allows remotely without pipeline shutdown, safely, without risk to personnel, damage to property or the environment to determine the reliability parameters of a pipeline by detecting defects in the metal (the metal loss due to internal or external corrosion, cracks, changing the geometry, etc.), as well as areas of stress concentration due to local loads (free sags, buckling, etc.).

The technology allows monitoring of underwater pipelines at 100% length at depths up to 200m

MTM (Magnetic Tomography Method)

MTM has undergone a successful industrial approbation at pipelines, including those not subject to inline inspection

With MTM’s extensive experience and well established resources and infrastructure, we provide a cost effective solutions to our clients that meet project requirements in terms of technical specifications, standards and delivery schedules.

MTM ground/underground pipeline inspection makes it possible to remotely assess the technical condition of an object in real operating conditions without stopping it and identify areas with metal defects of any type, taking into account real loads.

The use of MTM makes it possible to reduce operating costs by obtaining reliable service information about the technical condition of the pipeline along its entire length and at any point.

MTM has undergone a successful industrial approbation at pipelines,
including those not subject to inline inspection – the total length of over 20 thousand kilometers buried at depthes up to 8 meters, with high rate of anomaly detection.

SCANNING AND CALIBRATION

1. Determining the pipeline axis position under the ground surface.
2. Pipeline scanning using a portable magnetometer SKIF that automatically records magnetic data and GPS tracks.
3. Preliminary processing and choosing 1-2 points for calibration.
4. Additional non-destructive testing is performed in the digs, involving contact methods, after that the calibration of the data is done.
5. Preparation of the final report, that includes a list of dangerous (anomalous) areas of the pipeline, matched with the map and having their respective danger degree reported.

INFORMATION FOR PIPELINE INTEGRITY MANAGEMENT:

1. The locations of all detected stress-deformed state anomalies.
2. Parameters for analyzing safety of all detected defect areas:
   - safe operation term Tsafe
   - safe operation pressure Psafe
   - estimated repair factor ERF
   - local internal stress values Si