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Spiral magnetic flux leakage inspection tool

In 2010, T.D. Williamson, Inc. (TDW) announced the debut of its patent pending Spiral Magnetic Flux Leakage (SMFL) inspection tool, the latest addition to its range of magnetic flux leakage inspection tools.    

According to TDW, combined MFL and TFI capabilities offer unprecedented detection capability. Whereas traditional axial MFL technology detects volumetric pipeline anomalies, general corrosion and wide circumferential flaws, the new SMFL tool makes it possible to detect long, narrow defects in a pipe body and in long seam welds. Transverse field inspection (TFI) tools are designed to detect general corrosion, as well as long and narrow metal loss features.    

“By combining the capabilities of the standard TFI tool with those of a conventional axial MFL system, the new SMFL tool fills a niche in the market for a system that combines inspection technologies,” said Enzo Dellesite, General Manager -  Middle East Operations for TDW.    “By doing so, operators can detect and characterize a much wider range of pipeline defects that simply was not possible until now,” he added.  

The high resolution SMFL tool offers a number of benefits.  For example, while TFI technology relies upon two magnetizers, the SMFL tool requires only one.  As a result, the SMFL tool can be paired with MFL technology without having to extend the length of the tool to accommodate it.  The ability to pair tools means that multiple datasets are generated in a single run.  

TDW uses these datasets by overlaying them, which greatly enhances characterization of anomalies that are revealed during an inspection run.     For example, recently TDW ran separate runs with each system in a 16-inch pipe with a .250 wall thickness.  While the axial MFL tool did not detect an external axial gouge, data generated by the SMFL tool revealed an external gouge measuring six inches long x .25-inch wide x 40% deep.  

With a sampling frequency of up to 750 samples per second, the SMFL tool has an operating pressure range of 300 to 2,000 psi (21 to 137.8 bar) and an in-line temperature range of 14 to 131°F (-10° to 55°C.)  It has a minimum bend radius of 1.5D and can travel at up to 8.3 ft/second, making it an extremely adaptable and efficient inspection system.  

The addition of the SMFL tool further extends TDW’s comprehensive pipeline inspection services, which features the recently launched 48-inch Gas Magnetic Flux Leakage (GMFL) inspection tool.  This tool operates at a steady speed in spite of variations in gas pressure that tend to cause other tools to stall and surge as they move through a gas line.   

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PLM releases new 71H pipelayer.

PipeLine Machinery International has announced the release of the 71H pipelayer. With the support of Caterpillar and the engineering expertise of Vanguard Equipment Inc., the challenge was met to create a utility-capacity pipelayer in the Tier 4 Interim/EU Stage IIIB class, designed for lifting 27 215 kg (60,000 lb.) and engineered to meet the most exacting standards in the world.

Features include:

  • Standard electro-hydraulic tractor control, dedicated hydraulics, differential steering and machine control systems.
  • Boom and hook draw works are driven by independent hydraulic winches.
  • The compact design of the counterweight provides maximum lift capability and optimum weight distribution.
  • The drawbar is able to accommodate a wide range of attachments.
  •  Roll Over Protection Structure (ROPS) and Quick Drop function on load line control.
  • Heavy duty undercarriage.
  • Standard 600 mm (23.6 in.) single grouser shoe, LGP configuration.
  • Standard 6.1 m (20 ft.) boom with large box section.
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    TransCanada Receives Regulatory Approval for Northern Courier Pipeline Project

    TransCanada Corporation has announced that the Alberta Energy Regulator has approved TransCanada's application to construct and operate the Northern Courier Pipeline Project (Northern Courier).

    "We are pleased that the Alberta Energy Regulator has approved Northern Courier, which will be a critical piece of infrastructure to support the long-term plans for growth and increased production from the Alberta oil sands," said Russ Girling, TransCanada's president and chief executive officer. "We currently expect construction on Northern Courier to begin in the third quarter of 2014, with it being ready for service by 2017."

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    Lincoln Electric Introduces Traditional Passive-Style Personal Protection Welding Helmet

    Lincoln Electric’s economically priced Industrial Passive Helmet comes in a matte black finish, with a fixed Shade-11 lens.
    Lincoln Electric’s economically priced Industrial Passive Helmet comes in a matte black finish, with a fixed Shade-11 lens.

    Fabricators at all levels operating in any industry can get basic, consistent face and eye protection with Lincoln Electric’s economically priced, fixed-shade Industrial Passive™ Helmet. This sleek piece of protective gear comes in a matte black finish, with a fixed Shade-11 lens (considered an all-purpose shade for most welding applications).

    The helmet features ratchet headgear and meets ANSI Z87.1 and CSA Z94.3 standards. An affordable option for students, it also includes an attractive decal sheet for customizing the shell to fit one’s personal style.

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    Rotary cutters for range of diameters

    The new RC42S Rotary Cutter is designed for manual cuts on 40-42 inch (1,016-1,067 mm) steel pipe. Using the proven cutting mechanics of Reed’s Rotary Cutter line, the RC42 takes advantage of good leverage from its long handle which is used to turn the cutter. An included wrench is used to tighten the cutter and only 11.8 inches (300 mm) clearance is needed.

    Pipe snaps off squarely once the operator works the RC42S manually around the cut zone. On the small side of the spectrum, Reed is now offering an LCRC4 Low Clearance Rotary Cutter for 2-4 inch (60-25 mm) steel, cast iron, or ductile iron pipe. Also of heavy-duty construction, this junior-sized cutter requires just 4 inch clearance around the pipe to make the cut.

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    MAOP utility integrates calculation and GIS systems

    The Smallworld Maximum Allowable Operating Pressure (MAOP) Calculator, enabling companies to calculate the MAOP for a line/loop of steel transmission pipelines for natural gas in a verifiable, traceable and complete method. GE’s new MAOP calculator is one of the first industry solutions to seamlessly integrate the calculation of MAOP with a pipeline company’s current geospatial information systems (GIS).

    The MAOP Calculator equips pipeline companies with a completely customizable solution capable of performing extensive analysis, tracking and reporting on the data available in the pipeline company’s current GIS. Its ability to link records clearly to the original design or testing information helps pipeline companies trace where the data originated. The calculator is able to identify a transmission pipe’s specific MAOP through its database of verifiable records. When MAOP data for a pipe cannot be located, the MAOP Calculator can choose the worst-case scenario to determine its maximum pressure limit. By housing complete MAOP records in an easily accessible database, the MAOP Calculator enables a pipeline manager to quickly review a pipe’s maximum operating pressure.

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    Updated inflatable pipe purging system

    QuickPurge II joins an extensive family of inflatable pipe purging systems, including the PurgElite Tube and Pipe Purging range for 1- to 24-inch systems, the HotPurge inflatable pipe purging systems for pre-heated pipework, capable of resisting temperatures up to 700 degrees C (1,300 degrees F) for 24 hours and the Argweld single ended inflatable purge dams.

    This family of systems will typically be suitable for welding all stainless and duplex steels, chrome steel pipework such as P91 and P92 etc., nickel alloy pipework, titanium pipework and even aluminium and carbon steel when extra high quality is required from welded joints.

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    Lincoln Electric Announces EPA Tier 4-Compliant Platform for Multi-Process Vantage® 300 Engine-Drive Welder

     The quiet, compact Vantage® 300 from Lincoln Electric provides an EPA Tier 4-compliant, multi-process, industrial, diesel-engine-drive welding solution for construction teams, pipe-rig owners and rental-fleet managers. 

    The unit’s four-cylinder Kubota® V1505 EPA Tier 4-compliant, water-cooled diesel engine with a gear-driven camshaft has a closed breather system to keep the engine compartment and ground clean. The system eliminates oil mist from collecting inside the engine compartment, especially on surfaces that would lower engine-cooling efficiency. It also provides excellent fuel economy and reduced noise.
     

    The Vantage 300 delivers five welding process modes, including stick, Touch Start TIG®, MIG and flux-cored, with a separate arc-gouging mode. The unit operates at 300 amps at 100-percent duty cycle, with output up to 400 amps at a temperature of 104°F/40°C.


    The Vantage 300 also delivers three-phase, 240-volt AC generator power, with a 12.5-kilowatt peak (11-kilowatt continuous), for equipment such as plasma cutters, pumps or inverter welders, among other common construction tools. It also delivers 3,500 watts while welding at 250 amps. The machine is small enough to fit in many pickup trucks and features a standard, stainless-steel, lockable, removable sliding engine-access door that provides ample space for engine and oil-filter work without requiring large clearance space on a truck.
     

    For more information on the Tier 4-compliant Vantage 300 engine-drive welder, call (888) 355-3213 to request Bulletin E6.206 or visit www.lincolnelectric.com.

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    CEPA supports pipeline safety review

    The Canadian Energy Pipeline Association (CEPA) strongly supports the announcement made by Alberta's Minister of Energy regarding a comprehensive review of pipeline integrity programs, watercourse crossings and emergency response plans.

    Brenda Kenny, President and CEO, stated that regulatory oversight is an important component to ensure Canadian pipelines remain the safest in
    the world. CEPA members are committed to working collaboratively with the regulator and further earning the trust of Canadians. This includes
    acknowledging the need for greater transparency regarding operational and safety practices.

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    Thermadyne changes name to Victor Technologies

    Thermadyne Holdings Corporation today announced that it has changed its name to Victor Technologies Group, Inc. and the name of its wholly owned subsidiary Thermadyne Industries, Inc. to Victor Technologies International, Inc.

    “To re-position the company in the marketplace, we are returning to our roots,” says Martin Quinn, the company’s Chief Executive Officer. “Victor Technologies will recapture the pioneering spirit and embody the original attributes of the Victor brand: authenticity, reliability and innovation.”

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    Self-shielded flux cored welding for pipeline applications

    by Roger Hobrock and Derick Railling
    There are two ways to reduce pipeline costs as it relates to the pipe itself: reduce the weight of steel used in its construction and/or increase the pressure tolerances so it pumps a greater amount of material. These factors have led pipeline contractors to transition to the use of high-strength steels up to Grade X100.

    These high-strength steels pose new challenges to the welding process: filler metals must match or exceed the higher tensile strengths while also having lower hydrogen content. High-strength steels feature a low carbon base and are more prone to hydrogen-induced cracking. Cellulosic Stick electrodes used for welding low-strength steels possess too high of a hydrogen content (typically 16 ml per 100 g) to make them viable options for welding Grade X70 or higher steel.

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