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Deanna Johnson
22 Feb 2019
How Guided Wave Radar Instruments Can Help a Refinery Make Accurate Level Measurements in a Corrosive Environment.
It’s always interesting to have a little historical trivia attached to our industries, and this article provides a good example: refineries started adding alkylation units during World War II to increase production of aviation gasoline for all those piston-engine aircraft. The process is still in use today, with a few unresolved challenges. Hydrofluoric acid (HF) alkylation is a very corrosive process, which Lydia...
Jim Cahill
12 Feb 2019
Accurate Oil Storage Tank Custody Transfer
Tom Wienke For oil & gas well pads not connected to pipelines, custody transfer of the produced oil and produced water occurs via truck transport. The trucks load oil from holding tanks and require accurate measurements for the custody transfer from producer. Similarly, this is true for the produced water in their holding tanks sent off for disposal. In a Flow Control article, API 18.2: Ensure Safety While Providing...
Jim Cahill
14 Dec 2018
Level Measurement Intermittent Power Protection
Let’s end the week with a quick look at how some instrumentation protects against intermittent power outages. This short, 1-minute Youtube video, How to Secure Safe Operations During Power Outages shows the power reserve function of the Rosemount 5408 level transmitter which ensures safe operations even during power outages. Visit the level measurement area on Emerson.com for more on the best technologies for...
Jim Cahill
27 Sep 2018
Detecting Sand and Sediment Accumulation
Basic sediment and water , or BS&W. It’s what comes along for the ride in most oil & gas producing wells. The goal is to separate these from the oil and gas for proper disposal. The sediment portion, often consisting of sand, can collect and accumulate in the product & test separators as well as the production tanks. This quick, 1-minute YouTube video, Rosemount 2140. Sand Detection Made Easy , shows how this accumulated...
Peta Glenister
2 Aug 2018
How to detect sand in separators
Excessive sand in separators forms unwanted emulsions between oil & water, limits the separator’s capacity, and leads to reduced oil flow rate. Our latest Rosemount vibrating fork level detector monitors liquid-to-sand interface via a unique sand switch functionality, increasing safety and efficiency. Read the white paper here http://bit.ly/sandswitch #Rosemount2140 #SandSwitch #SandDetection
Jim Cahill
4 Jun 2018
Reducing Complexity in Process Instrumentation
Electronics technology continues to rapidly advance. For instrumentation and automation, this means that capabilities can continue to be added. But how do automation suppliers keep from adding complexity with added capabilities? In an Automation.com article, Advanced Instrumentation Design for the Next Generation of Users , Emerson’s Ingemar Serneby describes how taking a human-centered design approach and testing...
Jim Cahill
1 Jun 2018
Improving Level Control in Combined-Cycle and Coal-Fired Power Plants
Levels of intermittent, renewable sources of energy for the electrical grids around the globe continue to grow. Power plants designed for more consistent, base load operation are under greater stress. In this recorded Power magazine webcast, Optimizing Level Control for Maximum Reliability and Efficiency in Combined Cycle and Coal Plants , Emerson’s Matthew Brummer joins moderator and Power magazine executive...
Peta Glenister
4 Apr 2018
How advanced level measurement technology increases plant efficiency and safety
A recent article on how advanced level measurement technology increases plant efficiency and safety in the chemical industry has been published in the Chemical Engineer this month. Written by Patricia Mattsson, Marketing Engineer at Emerson, it describes how the departure from manual measurements to automated solutions has improved worker efficiency and helps provide measurement assurance. Read the article here: https...
Jim Cahill
26 Mar 2018
Refinery Desalter Efficient and Reliable Operation
While oil and gas production processing equipment can separate the gas, oil, basic sediment and water from the production stream, this equipment typically can’t separate the salt that can be found in solution in the oil. At high enough concentrations, this salt can lead to corrosion and fouling of downstream refining equipment and operations. In a Flow Control article, Critical Level Control Ensures Highest Efficiency...
Jim Cahill
26 Mar 2018
Refinery Desalter Efficient and Reliable Operation
While oil and gas production processing equipment can separate the gas, oil, basic sediment and water from the production stream, this equipment typically can’t separate the salt that can be found in solution in the oil. At high enough concentrations, this salt can lead to corrosion and fouling of downstream refining equipment and operations. In a Flow Control article, Critical Level Control Ensures Highest Efficiency...
Peta Glenister
23 Feb 2018
Selecting a safety-critical level instrument using undetected (DU) failure rates
Dangerous undetected (DU) failure rates are often considered more relevant than safe failure fraction as a basis for selecting a safety-critical instrument . The latest vibrating fork level switches from Emerson have been designed with enhanced diagnostics capability, to reduce the number of DU failures and increase plant safety. Read Tim Hill’s article on this subject here on pages 27 to 31. http://bit.ly/2olGhhd...
Jim Cahill
19 Feb 2018
Stepwise Tank Gauging Modernization
Instrumentation for manufacturing continues to improve as the electronics grow ever more powerful. Modernizing instrumentation such as tank gauging level sensors on bulk liquids storage tanks has been made easier through emulation technology. This quick, 1-minute YouTube video, Tank Gauging Emulation: Unlock the Potential in Your System , shows how older, less reliable level measurement devices can be upgraded, one...
Jim Cahill
19 Feb 2018
Stepwise Tank Gauging Modernization
Instrumentation for manufacturing continues to improve as the electronics grow ever more powerful. Modernizing instrumentation such as tank gauging level sensors on bulk liquids storage tanks has been made easier through emulation technology. This quick, 1-minute YouTube video, Tank Gauging Emulation: Unlock the Potential in Your System , shows how older, less reliable level measurement devices can be upgraded, one...
Jim Cahill
15 Jan 2018
Adding Wireless Level Switches for Storage Tank Overfill Prevention
Storage tanks holding volatile fluids must have reliable level measurements to avoid unsafe overfill conditions. A Control Engineering Asia article, Wireless vibrating fork technology enables Hengyang Petrochemical to implement cost-effective overfill prevention solution , describes how this petrochemical producer sought to reduce the risk of overfill conditions. The plant had existing non-contacting radar level measurement...
Jim Cahill
15 Jan 2018
Adding Wireless Level Switches for Storage Tank Overfill Prevention
Storage tanks holding volatile fluids must have reliable level measurements to avoid unsafe overfill conditions. A Control Engineering Asia article, Wireless vibrating fork technology enables Hengyang Petrochemical to implement cost-effective overfill prevention solution , describes how this petrochemical producer sought to reduce the risk of overfill conditions. The plant had existing non-contacting radar level measurement...
Jim Cahill
1 Dec 2017
Point and Continuous Level Measurement in Water and Wastewater Applications
Across many industries, level measurements are critical ones for safe and reliable operations. This is true for the water and wastewater industries. The choice of technologies for these measurements is broad, especially since they fall into two categories point-based (on/off switching) and continuous. In a Water Online article, Point Versus Continuous Level Measuring Technologies , Emerson’s Lydia Miller provides...
Jim Cahill
1 Dec 2017
Point and Continuous Level Measurement in Water and Wastewater Applications
Across many industries, level measurements are critical ones for safe and reliable operations. This is true for the water and wastewater industries. The choice of technologies for these measurements is broad, especially since they fall into two categories point-based (on/off switching) and continuous. In a Water Online article, Point Versus Continuous Level Measuring Technologies , Emerson’s Lydia Miller provides...
Peta Glenister
27 Oct 2017
Solving heater treater optimization problems with Rosemount level measurement.
A major oil and gas company operating in the Bakken oil field was having problems with their heater treater separators which were causing gas to be carried over into the tanks. By utilizing Rosemount 5300 Guided Wave Radar and Rosemount 3051S ERS Electronic Remote Seals they were able to eliminate the free gas and water carryover. Read our proven result here: http://bit.ly/2yW5btS
Jim Cahill
12 Sep 2017
Selecting the Right DP Level Device for the Temperature Conditions
With the season in change from summer to autumn here in the northern hemisphere, let’s look at differential pressure (DP) level measurement performance at various temperature ranges and particularly at cold weather performance. This quick 2:35 YouTube video, DP Level Solutions Optimized for Cold Climates: Improved Response Time , highlights the importance of selecting the right technology and fill fluids depending...
Jim Cahill
12 Sep 2017
Selecting the Right DP Level Device for the Temperature Conditions
With the season in change from summer to autumn here in the northern hemisphere, let’s look at differential pressure (DP) level measurement performance at various temperature ranges and particularly at cold weather performance. This quick 2:35 YouTube video, DP Level Solutions Optimized for Cold Climates: Improved Response Time , highlights the importance of selecting the right technology and fill fluids depending...
Peta Glenister
9 Aug 2017
When you need to know more...
One of our midstream energy customers in Colorado recently upgraded their Rosemount 2120 level switches to the brand new wired HART Rosemount 2140 level detector. Frustrated by the lack of information they were getting back from the level switches due to a lack of remote diagnostics functionality, the company wanted a smart device that would not just send an alarm in the event of an overfill, but would also alert...
Jim Cahill
8 Aug 2017
Proof Testing Level Measurement Devices
Safety instrumented systems (SIS) include the sensor(s), final control element(s) and logic solver(s) for each of the safety instrumented functions (SIFs) in the SIS. To verify the SIFs are performing the amount of risk reduction intended for their application, they must be periodically proof tested. PCN Europe magazine interviewed Emerson’s Teddy Tzegazeab on how proof testing has changed for SIFs with liquid level...
Jim Cahill
8 Aug 2017
Proof Testing Level Measurement Devices
Safety instrumented systems (SIS) include the sensor(s), final control element(s) and logic solver(s) for each of the safety instrumented functions (SIFs) in the SIS. To verify the SIFs are performing the amount of risk reduction intended for their application, they must be periodically proof tested. PCN Europe magazine interviewed Emerson’s Teddy Tzegazeab on how proof testing has changed for SIFs with liquid level...
Peta Glenister
26 Jul 2017
What good is a safety level measurement if you can’t trust it?
What good is a safety level measurement if you can’t trust it? A coal fired power plant installed an electronic gauging system for both level indication and level alarms on their plant’s steam drums. The system was configured to give Hi and Hi-Hi alarms and to shut down the boiler in case of emergency. However, within two years of operation they experienced leaking electrodes, and some of these leaks then caused false...
Jim Cahill
13 Jul 2017
Level Sensor Safety Proof Testing
Backing up your computer or server is a waste of time if restoring the backup fails when you need it. Good practice is to test these backups on separate test systems periodically to make sure they restore properly. Similarly, safety instrumented systems (SISs) need to assure that each safety instrumented function (SIF)/safety loop does what it’s intended to do to bring the plant to a safe state in the event of a demand...
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