Last updateMon, 19 Mar 2018 5am

Improving Profits in Natural Gas Measurement by Using Coriolis Check Meters

Coriolis flow measurement technology is roughly 25 years old. However, until the early 1990s, the technology was generally viewed as “not working” on gas  applications.

Micro Motion introduced Coriolis meter designs in the early 1990s that solved the technical hurdles of gas measurement, but there was still a widespread belief that Coriolis meters were unfit for gas applications.To help combat these perceptions about Coriolis meters, Micro Motion conducted a wide range of tests at Southwest Research Institute (SwRI) in Texas, Colorado, Engineering Experimental Station (CEESI) in Colorado, Pigsar/Ruhrgas in Germany, and Gasunie in the Netherlands to prove Coriolis' suitability for gas measurement. The tests demonstrated not only that Coriolis meters perform extremely well in gas applications, but that Coriolis meters can be calibrated on water and that calibration is transferable to gas applications.

Read further this White Pape by Emerson 'Improving Profits in Natural Gas Measurement by Using Coriolis Check Meters'

Diversified Technologies for Fixed Gas Detection

(White Paper by General Monitors): In order to mitigate the potential spread of hazardous events, General Monitors is recommending the use of technology diversification. The term “diversification” is commonly used in the fire, gas, and safety industry to describe the principle behind protection layers; whereby safety layers that don’t share common failures are designed to reduce the probability and severity of hazardous events2.

An effective approach for technology diversity is to use the human sensory model. Like a person who is able to assess danger through his senses, fire and gas systems that rely on a combination of ultrasonic, optical, and conventional detection can provide a better picture of overall plant safety.

To further read this White Paper please click 'Diversified Technologies for Fixed Gas Detection'

Breaking the Ice: Antarctica Researcher Meets Sierra’s ‘Smart’ Mass Flow Meter

Case Study by Sierra: Working hear along California’s Central Coast in Monterey, I don’t often get to experience a White Christmas or snowball fights or even the excitement of schussing down the slopes (unless I travel 4 hours to Lake Tahoe, Northern California). So, it’s really tough for me to imagine the frigid, barren conditions of the coldest place on earth – Antarctica. But David Mucciarone knows the continent as well as any human can. A researcher and lab manager at Stanford University in Stanford, Calif., David travels to Antarctica annually to measure the breakdown of inorganic carbon to learn how much carbon dioxide the ocean can absorb. His R&D work is critical to the ongoing study of global warming.

Even though Stanford is just 90 minutes north of Monterey, David had never crossed paths with Sierra Instruments until just a few short days before his trek to Antarctica in 2008. The mass flow controller in his CO2 monitoring equipment failed, and he needed a reliable replacement, STAT. So, at the recommendation of a colleague, he purchased a Sierra Smart-Trak® Model 100 for mass flow control. And, despite extreme cold (which has dipped down as far as -129 degrees Fahrenheit! Yikes!) and more than two months aboard an icebreaker ship that plows through thick ice, our flow meter never failed him.

To further read this Case Study by Sierra please click 'Breaking the Ice: Antarctica Researcher Meets Sierra’s ‘Smart’ Mass Flow Meter'

Integrating Gas Chromatographs with Control and Device Management

(Emerson Experts Blogs) Gas Chromatographs (GCs) are used in many process-manufacturing processes. Some GC applications include fuel & flare gas analysis, cracking furnace BTU firing rates, gas ratios, and a whole lot more.

I share this for those not already well steeped in the knowledge of GCs as background for an article by Emerson’s Jonas Berge and Michael Gaura in Gas Today Australia. The article, GC made easy: integrating process gas chromatographs, describes how digital communications technologies and standards such as Foundation fieldbus (FF) and Electronic Device Description Language (EDDL) have made the information collected by GCs more readily accessible to improve the process and easier to maintain to provide continued accuracy over time.

To read further this Blog please click 'Integrating Gas Chromatographs with Control and Device Management'

Eight critical factors in purchasing offshore pilot valves

ASCo White Paper: Stainless steel pilot valves play small but critical roles in the control of offshore platforms and other demanding oil and gas production operations. Acting as pilots for process and larger emergency shutdown (ESD) valves, these valves are typically installed in a platform’s pneumatic logic control panels.

The valves are usually exposed to salt water and other challenging elements, so valve manufacturers all standardize on 316L stainless steel valve bodies. Panel builders, assemblers,  OEMs, contractors, and end users can choose from a wide variety of models, including air-operated, manually operated, solenoid-operated, and many more.

Specifiers and buyers must consider all the critical factors that bear on a given design’s reliability. The April 2010 platform loss and oil spill in the Gulf of Mexico have only sharpened the industry’s focus. In the case of pilot valves, this means that operators must have robust valves that perform efficiently each time, every time.

To further read this white paper by ASCo please click 'Eight critical factors in purchasing offshore pilot valves'