Modulated AC/DC Crude Desalting Technology Application & Best Practices

2021 ◽  
Author(s):  
Ramsey White ◽  
Simone Mulas ◽  
Pier Domini ◽  
Miguel Lopez ◽  
Faris Abusittah
Keyword(s):  
Best Practices ◽  
Cost Savings ◽  
Quality Parameters ◽  
Injection Rate ◽  
Wash Water ◽  
Stable Operation ◽  
Separation Performance ◽  
Technology Application ◽  
Saudi Aramco ◽  
Operating Expenditures

Abstract The Modulated AC/DC Crude Desalting technology was successfully commissioned at several Saudi Aramco facilities. Enhancements to desalting performance and optimization of plant operating expenditures were realized. Benefits of the Modulated AC/DC Desalting technology, installation and operational best practices and a comparison to conventional AC technology is shared in the paper. The conventional AC desalting technology was replaced with the Modulated AC/DC Crude Desalting technology at some Saudi Aramco facilities. After the successful commissioning, the performance of the new units was tested in one of these facilities to identify operating limits, such as maximum water cut and minimum demulsifier injection at the production header, in which the stable operation is sustainable. A comparison of the performance of the technology compared to that of previous conventional AC desalting technology was conducted through analysis of grid/plate voltage stability, demulsifier injection rate, wash water rates and crude quality parameters. Some enhancements to the process were also introduced which resulted in realizing additional benefits. The technology resulted in several benefits, including: (1) A reduction in the required demulsifier injection rate during the testing period compared to the same time period from the previous year, leading to significant cost savings; (2) Ability to maintain normal operations beyond the design water cuts of the facility; (3) No major grid outages since installation; (4) Additional data that can be used to diagnose separation performance as each transformer provides a number of feedback signals to DCS that are good indicators of the separation process. Based on the observations and analysis, the Modulated AC/DC Crude Desalting Technology has several advantages over the conventional AC Crude Desalting Technology in regards to crude desalting performance and process stability. The Modulated AC/DC Crude Desalting technology at Saudi Aramco was the first installation in Saudi Arabia for Arab Light crude oil. The paper captures Saudi Aramco’s experience and best practices that other companies can find beneficial in their efforts to maintain crude quality and reduce operating expenditures.

scholarly journals MP011: Using GRADE-based recommendations for analgesia and antiemetics in electronic order sets to influence physician behaviour towards best practice and cost-savings

CJEM ◽  
2016 ◽  
Vol 18 (S1) ◽  
pp. S69-S70
Author(s):  
R.J. Hartmann ◽  
E. Lang ◽  
T. Rich ◽  
B. Ford ◽  
K. Lonergan ◽  
...  
Keyword(s):  
Best Practices ◽  
Working Group ◽  
Cost Savings ◽  
Sufficient Evidence ◽  
New Order ◽  
Order Entry ◽  
Physician Behaviour ◽  
Order Sets ◽  
Electronic Order ◽  
Order Set

Introduction: The addition of computerized physician order entry (CPOE) to Emergency Departments in recent years has led to speculation over potential benefits and pitfalls. Recent studies have shown benefits to CPOE, though there lacks sufficient evidence on how it could change physician behaviour. Physician practices are known to be difficult to change, with getting evidence into daily practice being the main challenge of knowledge translation. Our study aims were to determine if well-designed electronic order sets for CPOE improved MD practices. Methods: The Calgary Zone Pain Management in the Emergency Department Working Group relied on a GRADE-based literature review for identifying best practices for analgesia and antiemetics, resulting in soft changes to the dedicated analgesia and antiemetic electronic order set noting working group preference, and emphasizing hydromorphone over morphine, as well as 4 mg ondansetron over 8 mg. The new electronic order set was started in the only Calgary Region order entry system on December 11th, 2014. Data was collected from July 2014 - May 2015. A Yates chi-squared analysis was completed on all orders in a category, as well as the subgroups of ED staff and residents, and orders placed using the new order set. Results: A total of 100460 orders were analyzed. The use of hydromorphone increased significantly across all 4 EDs. IV hydromorphone use increased (5.82% of all opioid orders up to 26.93%, P<0.0001) with a reciprocal decline in IV morphine (67.81% of all opioid orders down to 46.56%, P<0.0001). Similar effects were observed with ondansetron 4 mg IV orders increasing (1.37% of all ondansetron orders to 18.64%, P<0.0001) with a decrease in 8 mg dosing (15.75% of all ondansetron orders to 7.23%, P<0.0001). These results were replicated to a lesser degree in the non-ED staff and non-order set subgroups. Implementation of the new order set resulted in an increase of its use (37.64% of all opioid orders up to 49.29%, P<0.0001). Finally, a cost-savings analysis was completed showing a projected annual savings of $185,676.52 on medications alone. Conclusion: This data supports the manipulation of electronic order sets to help shape physician behaviour towards best practices. This provides another strong argument towards the benefits of CPOE, and can help maintain best practices in Emergency Medicine.

scholarly journals Accurate, scalable cohort variant calls using DeepVariant and GLnexus

2020 ◽  
Author(s):  
Taedong Yun ◽  
Helen Li ◽  
Pi-Chuan Chang ◽  
Michael F. Lin ◽  
Andrew Carroll ◽  
...  
Keyword(s):  
Genetic Variation ◽  
Best Practices ◽  
Open Source ◽  
Variant Calling ◽  
Cost Savings ◽  
Quality Improvements ◽  
1000 Genomes Project ◽  
Genetic Analyses ◽  
1000 Genomes ◽  
Population Scale

AbstractPopulation-scale sequenced cohorts are foundational resources for genetic analyses, but processing raw reads into analysis-ready variants remains challenging. Here we introduce an open-source cohort variant-calling method using the highly-accurate caller DeepVariant and scalable merging tool GLnexus. We optimized callset quality based on benchmark samples and Mendelian consistency across many sample sizes and sequencing specifications, resulting in substantial quality improvements and cost savings over existing best practices. We further evaluated our pipeline in the 1000 Genomes Project (1KGP) samples, showing superior quality metrics and imputation performance. We publicly release the 1KGP callset to foster development of broad studies of genetic variation.

scholarly journals Green IT-An Eco-friendly Practices and Methods for Environmental Sustainability.

2020 ◽  
Vol 9 (4) ◽  
pp. 2889-2894
Keyword(s):  
Best Practices ◽  
Power Consumption ◽  
Environmental Sustainability ◽  
Cost Savings ◽  
Vital Role ◽  
Climatic Conditions ◽  
Social Infrastructure ◽  
Management Options ◽  
Green It ◽  
Climate Conditions

Information Technology is like the central nervous system for business, private sectors, Government organizations and for the social infrastructure. Of course it connects all part of the world. Most of the works are computerized and automated solely depends only on IT. IT sector depends on the electricity to run all the works and at the same time high power consumption emits larger heat by the resources which are threatening and giving unsustainable climatic conditions on the globe. So there is a need to follow the best practices for Energy conservation as well as gradual awareness for bringing environmental sustainability. The best environmental practices can reduce the use of hazardous materials and maximize Energy efficiency during product’s lifetime to avoid Green House Gas Emissions and Co2. Green IT plays a vital role to improve the climate conditions on earth by “Go Green approaches” by effective design, manufacture, use and disposal of e-wastes with no or very minimal cause on the environment. Using Green IT stakeholders or organization can avoid toxic landfills by reduce and reuse equipment’s with the manufacturing of biodegradable components. Through Green IT cost savings is possible with energy efficient products through the best practices, approaches, standards and techniques like virtualization and configuring the servers by power management options and there by gaining energy from renewable natural resources, also switching to digitalization to roll out traditional paper works. In this research paper, the proposed approach is to address the power consumption and environmental issues from various ITC resources like compute, network and storage with better algorithms like ACVFS and Energy-Conscience Workload Scheduling, Resource Efficiency techniques in data centers, thin provisioning and by recycling approaches like 3R’s for managing e-wastes to make the Earth Greener for the next generation.

Fabrication of 3D-IC Interposers

2013 ◽  
Vol 2013 (DPC) ◽  
pp. 001295-001321
Author(s):  
John T. Keech ◽  
Garret Piech ◽  
Scott Pollard
Keyword(s):  
Integrated Circuit ◽  
Coefficient Of Thermal Expansion ◽  
Three Dimensional ◽  
Cost Savings ◽  
Cost Effective ◽  
Quality Parameters ◽  
Substrate Material ◽  
3D Ic ◽  
And Performance ◽  
Three Dimensional Integrated Circuit

Interposer fabrication has gained a lot of attention in the area of three-dimensional integrated circuit (3D-IC) integration. Glass has many properties that make it well suited for interposer substrates, such as adjustable coefficient of thermal expansion, advantaged electrical properties and unique forming processes. Furthermore, glass based solutions can also provide significant cost advantages in substrate material, via formation, and subsequent processing. In this paper, we will cover how fusion formed glass provides cost-effective solutions for the manufacturing of interposer substrates. Leveraging the ability to create through-glass-via (TGV) substrates in as-formed 100 μm thick precision glass, with a pristine surface, can avoid the need for back grinding and polishing operations. This has the potential to eliminate several manufacturing steps for polishing and thinning, while providing associated cost savings. Significant progress has been made in demonstration of TGV technology. Fully populated wafers with 100,000s of through or blind holes (≥ 25 μm diameter) are fabricated today, and 10–20 μm diameters are in development. We will report on important quality parameters measured on TGV wafers and positive implications with respect to product quality and strength. The ability to leverage industry metallization techniques and performance characteristics will also be reported. Finally, we will discuss opportunities to leverage cost-effective glass interposer solutions.

scholarly journals Assessing of Losses and Dilution Impact on the Cost Chain: Case Study of Gold Ore Deposits

2021 ◽  
Vol 13 (7) ◽  
pp. 3830
Author(s):  
Mikhail Marinin ◽  
Oksana Marinina ◽  
Radosław Wolniak
Keyword(s):  
Cost Estimation ◽  
Cost Savings ◽  
Efficient Solutions ◽  
Quality Parameters ◽  
Ore Deposits ◽  
Production Costs ◽  
Estimation Methods ◽  
Production Cycle ◽  
Production Chain

The conditions of declining gold grade in the ore, increasing depth of excavation, and de-creasing unallocated stock of deposits make it necessary to develop efficient solutions for the mine-to-mill process, which have to be adapted to each specific mining plant and will optimizes production costs. Current research focuses on a case study that demonstrates how indicators of mining losses and dilution influence the variation of costs chain in the production cycle. The article examines the topical issue of determining the effects at the mine-to-mill stages due to changes in losses and dilution. The author’s approach to the formation of a mine-to-mill cost chain is proposed by integrating several cost estimation methods into the general cost estimation methodology. The estimation methodology is a compilation of factor analysis and cost engineering methods that take into account the change in costs due to the variation of losses and dilution. It was proven that with variations in losses and dilution, cost savings arise due to changes in the volume of work on ore averaging, ore transportation, and beneficiation. For the case of the Kuranakh ore field, there are no effects at the mining stage. The use of internal reserves by means of managing ore quality parameters allows reducing the costs per ton of processed rock mass along the entire production chain.

scholarly journals Modification of Adapter in Auto Cone Winding Machine for Better Performance

2020 ◽  
Vol 8 (6) ◽  
pp. 2761-2768
Keyword(s):  
Cost Savings ◽  
Processing Parameters ◽  
Quality Parameters ◽  
Vital Role ◽  
Energy Meter ◽  
Spun Yarn ◽  
Ring Spun Yarn ◽  
Winding Machine ◽  
Nylon Fibre ◽  
Production Capacities

The economy of Bangladesh is largely depending on textile and garments industries at this moment. In this industry the overall demand of quality and cost reduction is increasing constantly along with steadily growing production capacities. For these reasons backward linkage industry like spinning plays a vital role for sustainable textile production in Bangladesh. Winding machine plays a significant role in quality of ring spun yarn in a spinning factory. Modification of adapter used in winding machine is accomplished in this work. Two diameter of adapter such as 58 mm and 68 mm was produced from nylon fibre and attached to the Muratec 21C winding machine. By using these two modified and one conventional metallic adapter three different fineness of yarn such as 30’s Ne cotton, 40’s Ne PC, and 50’s Ne cotton was produced by ring spinning machine in the same processing parameters. Those yarns were wound with 900, 1100, 1300, 1400 & 1500 m/min with original and modified adapters. After winding of yarn different quality parameters like unevenness (%), imperfection index (-), hairiness (-), Count Strength Product (CSP) were tested through Uster Evenness Tester 5 and Ele Stretch XT tester accordingly and compared them. Power consumption was measured by TRINITY (NF29) energy meter. It was found from the analysis of all test results that adapter of 58 mm performed the best; 68 mm made from nylon fibre the better among three along with cost savings is also possible in using nylon adapter.

Smart Crude Desalter Monitoring System Using Capacitance Based Technology

2021 ◽  
Author(s):  
Ramsey James White ◽  
Abdullah Abdulrahman Al-Hamoud ◽  
Miguel Angel Lopez
Keyword(s):  
Large Scale ◽  
Detection System ◽  
Extended Period ◽  
Cost Effective ◽  
Interface Layer ◽  
Injection Rate ◽  
Alarm System ◽  
Water Layers ◽  
Saudi Aramco ◽  
Emulsion Separation

Abstract Saudi Aramco operates several electrostatic coalescers for bulk emulsion separation and crude desalting. One of the major challenges in operating electrostatic coalescers is the potential buildup of tight emulsions and a rag layer at the interface layer, which causes short-circuiting of the electrostatic grids which increases the risk excessive carryover of water with the crude. Conventional liquid level instrumentation cannot measure the thickness of emulsion layers since the level taps are at the clean oil and water layers. Consequently, the buildup of emulsions is normally not detected by operators. A capacitance-based emulsion detection system was installed at one of the electrostatic coalescers of a Saudi Aramco facility. The system is comprised of multiple probes installed at various elevations in the vessel. Each probe measures the capacitance of the liquid in which it is immersed in. The data is then transmitted to the DCS, where an algorithm computes the oil/water content. Saudi Aramco developed an enhanced predictive alarm logic and advisory tool using the measured capacitance data so that operations may take preemptive measures to prevent upsets from occurring. The alarm system was tested over an extended period of time and it has shown that it can accurately detect the buildup of emulsions prior to an upset in the electrostatic coalescer. What is unique about the system is that it utilizes a combination of absolute capacitance measurements and capacitance variations in the algorithm. Emulsion buildups are detected by the alarm system hours before a potential upset, providing operators ample time to take preemptive measures such as increasing the demulsifier injection rate, desludging the vessel or lowering the interface level. The system significantly reduced the number of electrostatic coalescer upsets at the facility and crude quality was enhanced. Upon inspection of the probes during shutdowns, no buildup of deposits, which impacts capacitance readings, were found on the probes since a flushing system was installed. The alarm system has been utilized for four years with no major issues. Utilizing the capacitance probes to develop an algorithm for an alarm system is a novel technique to detect emulsion layer buildup hours prior to a potential electrostatic grid upset. Large-scale deployment is more economical as it is more cost-effective than radioactive profilers and is logistically easier to manage.

Practical Wash Water & Demulsifer Optimization at Khurais Crude Processing Facility

2021 ◽  
Author(s):  
Hatem Abdullah Bajuaifer ◽  
Mohammed Abdullah Malki ◽  
Kamarul Amminudin
Keyword(s):  
Water Consumption ◽  
Water Conservation ◽  
Separation Efficiency ◽  
Wash Water ◽  
Operating Costs ◽  
Operating Parameters ◽  
Optimization Approach ◽  
Water Separation ◽  
Saudi Aramco ◽  
Corrective Actions

Abstract This paper covers practical demulsifer and wash water approach followed by Saudi Aramco Khurais producing facility to optimize the chemical and water consumption. This Paper is intended to: Share practical demulsifer and wash water optimization approach. Highlight how this approach enhanced the separation process and how it already helped Saudi Aramco to meet the product quality with minimal operating costs by optimizing operating parameters in the field. The basic idea of the optimization is to relax the oil - emulsified water separation in HPPT by allowing water carry over to the downstream equipment and vessels through minimizing the demulsifer dosage on the production header to increase the retention time. The optimization process includes manipulating different key parameters (controlled variables) which are demulsifer dosing rate (on production header and dehydrator), wash water dosing rate, de-salting train mixing valves differential pressure and transformers voltage with continues monitoring and corrective actions based on the export specification of BS&W and salts within pre-defined internal limits to avoid having off-spec product (Trial and Error) This approach resulted in decreasing the operating costs by reducing overall demulsifer dosage by 50%, and allowing the overall separation efficiency to be increased contributing towards enhanced separation. Various graphs included showing the full impact of optimizing the operating parameters on improved separation in dehydrator. From the water conservation, this process resulted in reducing non-potable wash water consumption for crude washing purposes by more than 20,000 gallon/day without compromising the crude specification. This optimization resulted in cost saving equivalent to around US$ 650,000 due to significant demulsifer reduction. Sustaining such an optimum performance proves to be a challenge and in this regard, the team is focusing heavily on the monitoring efforts that are equipped with the advisory features on what to do should the deviation exist from the stipulated target. This includes, among others, the alerting feature for immediate corrective actions by the team. Overall, this initiative succeeded in maintaining the facility crude quality specifications of BS&W and salts while reducing chemical operating costs, creating positive environmental impacts by saving non-potable wash water while increasing the assets utilization and reliability effectively.

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