Articles

27
16-Inch InVista™ Tool Case Study: Navigating the Bends
By: Lilly Darnell,Senior Marketing Specialist, Quest Integrity Group

As seen in the December 2012 edition of Pipelines International

Quest Integrity Group recently performed a series of in-line inspections and fitness-for-service assessments for a client in Canada. The company utilized its recently developed single module 16-inch InVista™ inspection tool. One of the lines proved particularly challenging, as it contained 20 bends with a minimum bend size of 1.5D, and five take-offs – a challenge for tools, as the tool could go in any direction instead of straight.

26
Remote Digital Video Inspection – RDVI™
By: Lilly Darnell, Marketing Manager, Quest Integrity Group

As seen in the January 2013 issue of The Australian Oil & Gas Review.

Remote Digital Video Inspection – RDVI™ is the newest advanced inspection service offering from Quest Integrity Group. RDVI employs the use of enhanced visual inspection techniques and equipment to evaluate the condition of process equipment and associated systems without confined space entry (CSE) or extensive dismantling of equipment.

25
New Technology Allows Access to Coils with Common Headers in the Process Industry
By: Rich Roberts, Vice President and General Manager, Quest Integrity Group

As seen in the Nov/Dec 2012 issue of Inspectioneering Journal

Various fired heater designs in refineries and chemical plants contain common headers (e.g. Arbor coil configurations, CCRs, etc.) as part of their overall serpentine coil design. Accessing the interior of individual coils through the common header is challenging; however, advanced engineering firms and mechanical decoking companies have developed unique common header snorkel delivery systems.

24
Recent Innovations in Pipeline Seam Weld Integrity Assessment
By Dr. Ted L. Anderson, Chief Technology Officer, Quest Integrity Group

As seen in the November 2012 issue of Pipeline & Gas Journal

There was much discussion during 2011 of the seam weld issue by various parties, including state and local government agencies, pipeline operators, industry organizations and consultants. However, in a number of cases the necessary technology already exists, so further R&D might result in reinventing the wheel.

69
Modern ILI of Subsea Pipelines and Risers: Capabilities for Challenging Projects
By: Mohammed Al-Hamad, Quest Integrity

This paper was presented at the October 2012 MENDT Conference in Bahrain.

Advances in ILI technologies now provide operators a range of inspection options in overcoming pipeline flow, configuration and previously restrictive environments.This paper will demonstrate solutions that have worked in typical offshore environments.
continue to: questintegrity.com

22
Heavy-Duty Gas Turbine Hot-End Bearing Failure
By: Dr. Matthew Smillie, Consultant Engineer, Quest Integrity

As seen in the July-September 2012 issue of Energy Generation

The rotors of heavy-duty gas turbines are exposed to the heat of combustion during their operation. This thermal loading, in addition to the mechanical loading due to self-weight and rotation, provides a challenge to the designers of gas turbines when aiming for the reliability demanded by the commercial requirements of operation. This article briefly introduces the particular issues of bearings in heavy-duty gas turbines, and then reviews a case study of a gas turbine bearing that could no longer hold its load and the situation surrounding its failure.

18
Signal™ Fitness-For-Service Provides Cost-Saving Calculations
By: Devon Brendecke, Product Manager, Signal Fitness-For-Service

As seen in the August 2012 issue of BIC Magazine

Being able to rapidly assess damage uncovered during planned inspections is a major part of the success of fitness-for-service. Since every region of damage is unique, sometimes internally prepared spreadsheet calculations are insufficient to accurately assess a piece of equipment with damage. A comprehensive software program that automates many of the calculations can mean the difference between a timely return to service and extra shutdown time.


16
Quest Integrity Group Integrated Lifecycle Management Solutions
As seen in the July/August 2012 edition of the Nitrogen+Syngas Magazine

21
Understanding and Controlling CO2 Corrosion through Materials Research
By J. Soltis, K. Lichti and A. Crisford, Quest Integrity Group

As seen in the September 2012 issue of Oil & Gas Australia

For oil and gas operators, CO2 corrosion is an on-going concern, as the industry relies primarily on the ability to use carbon steels within their facilities.

17
Benefits of Hydrotest Exemption and Tank Settlement Assessments
By: Brian D. Rose, Ph.D., P.E., Principal Consulting Engineer at Quest Integrity

As seen in the August 2012 edition of BIC Magazine

Advanced integrity assessments based on inspection results can demonstrate that tanks and their components are fit for continued service, allowing tank operators to often postpone repairs until the next shutdown, eliminate the need for repairs or be exempt from hydrostatic testing.

20
Overcoming Offshore Inspection Challenges
By: Lilly Darnell, Senior Marketing Specialist, Quest Integrity Group

As seen in the September 2012 issue of Pipelines International Magazine.

Offshore pipelines can be challenging to inspect due to limited launcher/receiver facilities or limited accessibility. Quest Integrity Group offers a solution for these historically difficult to inspect or unpiggable pipelines with its InVista™ in-line inspection tool.

15
Advanced Inspection Technology to Assess Unpiggable Pipelines
As seen in the July 2012 edition of Australian Oil & Gas Review

14
Re-thinking the Possible in In-Line Inspection
As seen in the May 2012 edition of Offshore Magazine

19
Making the Most of Storage Tank Inspection Data
Thanks to constantly improving technology developments, inspection of atmospheric storage tanks has yielded better data which, when used as input, improves the accuracy of advanced assessment techniques. Coupling the improved inspection data with an advanced engineering assessment often means that tank operators are able to postpone repairs until the next shutdown, eliminate the need for repairs or be exempt from hydrostatic testing.

13
Quest Integrity Group Now Offering Larger Tool Sizes
As seen in the June 2012 edition of the PPSA Newsletter

12
Metallurgical Changes May Result in Erroneous NDE Test Results
As seen in the April 2012 issue of BIC Magazine

A client contracted with Quest Integrity Group to conduct and FTIS™ (Furnace Tube Inspection System) inspection on tubing coils in a Monomer Furnace as part of its integrity management program.

60
Compressor Dovetail Remnant Life Assessment
By: Quinton Rowson – Quest Integrity Group

As published in Energy Generation Magazine Jan-Mar 2012

The case study below of a compressor dovetail remnant life assessment demonstrates the implications of small aerodynamic loads. It also explains the use of computational fluid dynamics and finite element analysis stress modelling in obtaining the remnant life of compressor blades. Remnant life assessment determines the remaining life of a component due to a time- or cycle dependent material deteriorating process, for example, creep or fatigue.

10
Intelligent Pigging of an Unpiggable Gas Pipeline in Australia
Quest Integrity Group was approached by a client to inspect two sections of an unpiggable 14† high pressure gas pipeline in Australia. The line is over 40 years old and the client wished to evaluate its integrity so as to ensure safe operation for the remaining life of the affected facility. Quest Integrity utilized its InVista™ intelligent pigging technology to perform the inspection.

9
New Technology for Inspecting Critical In-Plant Piping Systems
Inspection and fitness-for-service (FFS) of critical in-plant piping systems remain an ongoing concern for the chemical industry. Recent failures in the US indicate that there is a present and severe risk in piping systems. Historically unpiggable in-plant piping can now be inspected with advanced smart pigging technology for complete ultrasonic inspection. High-resolution inspection data is analyzed to identify the locations and degree of corrosion and piping deformations. This article discusses current industry experience with the inspection and assessment of in-plant piping systems using advanced smart pigging technology.

70
Inspection Methodologies and Tradeoffs for Inspection of Unpiggable Pipelines
By: Dan Revelle, Manager Pipeline Services, Quest Integrity

This paper was presented at the November 2011 PPSA Conference in Aberdeen, Scotland.

Modern advances in inspection technologies now allow for inspection and assessment of these previously unpiggable pipelines providing today’s owner-operators a varied range of inspection options. By examining the results of various inspection methods and detailing how inspection data is used for assessment and asset management, we can understand how inspection data ties into the larger decision making process.
continue to: questintegrity.com

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