Risk Assessment of Refinery Hydroprocessing Unit Reactor Effluent Air Coolers (REACs) Made of Duplex Stainless Steel (DSS)

Cracking of REAC Duplex Stainless Steel Failures of Refinery Hydroprocessing Unit REACs made of 2205 DSS have in some cases resulted in significant plant damage and extended outages for repairs.  In a few  cases, header box welds have ruptured.  Additionally, failures have occurred at tube-to-tubesheet welds and in REAC inlet and outlet piping made of […]

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Your pump’s Mean Time Between Repairs (MTBR) is what?…Or what should it be…

Many of the tourist spots around the world have panhandlers. Some of the more creative ones stand on street corners advertising that they will tell you where you got your shoes, for a dollar. Of course it turns out that “you got your shoes” at the corner of Bourbon and St. Peters – or wherever […]

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Equipment Nozzle Loads

by Greg Hollinger and George Antaki One of the qualification requirements for a piping system is to keep the loads imparted by the piping on equipment nozzles within certain allowable limits. These loads consist of sets of three forces and three moments, for the various load combinations. There are basically two types of nozzle load limits: […]

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Expert Witness in Swiss Arbitration Court

Becht advisors have provided a wide array of experience and background to our clients including serving as technical experts in a legal setting on many financially significant cases. In one example, our team was hired to develop economics impact of a broken five-year term agreement for our client to recover a wide range of petroleum […]

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Fitness-For-Service API 579-1/ASME FFS-1 – Substantive Changes in the 2016 Edition

Authors: Eileen Chant, Greg Epremian, Magnus Gustafsson, Ranjan Nadarajah, Mark Stonehouse API 579-1/ASME FFS-1 is a Standard jointly published by API and ASME.  The purpose of the document is to provide a consensus of methods to quantitatively evaluate commonly observed damage to in-service pressure equipment.  Since it was first issued by API in 2000, this […]

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Becht Technology Review – Unusual Business Opportunities

The process team at Becht Engineering brings decades of experience from serving in the R&D of major corporations and also from representing a wide variety of Becht Engineering clients.  We have observed and evaluated new technology from both sides of the fence…as employees or for large corporations who do R&D internally to outpace their competition, […]

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Becht Advisors Exceed Client Expectations

Gulf Coast Refinery Turnaround  Becht Engineering mobilized Advisors to Louisiana to supplement a Client’s operations organization during a 45-day, fourth quarter 2015 turnaround. The planned outage included cleaning the pyro-fractionator coke fines, replacing the internals of a 5-stage gas compressor, cleaning, inspecting and making tie-ins for a flare recovery system, complete re-traying of an ethylene […]

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Measuring Pressure Pulsation in Piping Systems

It is normal for piping systems to exhibit steady pressure pulses. Most of the time these pulses are inconsequential; however, in a few cases they must be eliminated because they can affect the reliable operation of the system or they can cause a mechanical failure. Becht Engineering recently assisted a client in the evaluation of […]

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Statistical Analysis of Non-Destructive Examination Data

In 2008, Becht Engineering was awarded a project by the Materials Technology Institute (MTI) to develop an inspection guideline document and software tool for the collection and analysis of inspection data for piping, piping components and pressure vessels. Dr. Eileen Chant , as project manager, collaborated with Bob Sims of Becht, Dr. Mark Stone of […]

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Elevated Temperature Reactor Component Design and Qualification

  Becht Engineering, Nuclear Services Division, has completed a finite-element numerical study of two proposed Code Cases for ASME III Division 1 Subsection NH, Class 1 Components in Elevated Temperature Service.  They are: “Satisfaction of Strain limits for Class 1 Components at Elevated Temperature Service Using Elastic-Perfectly Plastic Analysis” and “Calculation of Creep-Fatigue for Class […]

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