Production Scenario Evaluation

Production scenario evaluation investigates the influences of production and campaign control parameters on volumes and values. All experiments share the hypothesis that restrictive production control leads to lower profits due to lower optimization flexibility. 

Siegers PM, Losing MB, WijfFels RH, van Straten G, van Boxtel AJB Scenario evaluation of open pond tnicroalgae production. Algal Res 2(4) 358-368, 2013a. 

So far we have performed detailed studies for flow over isolated bodies, for example, curved fractures, shale arrays, and fractured boreholes. Here we will focus on steady and transient-compressible reservoir-scale flows produced by multilateral well systems. Because their topologies are not simple, we turn to computational methods. We will highlight problems that arise in reservoir simulator development, and importantly, we will describe a recently developed, three-dimensional algorithm that is very robust, numerically stable, exceptionally fast, and extremely accurate, and now available to the user community. Engineering implementation is an objective of the work oil companies want practical solutions that optimize operations, profits, and time value of money. The model provides tools that evaluate what if production scenarios, infill drilling strategies, and waterflood sweep efficiencies. In addition to being accurate, the solutions require minimal hardware, software, and costly human resources. 

Missing alternative EOR and supporting technologies for more productive scenarios 4 3 12 1) Periodic update of EOR selection using new data and information. 2) Conduct Intensive evaluation of technology. 

LOTS ARE ORDERED AND DELIVERED INDEPENDENTLY FOR EACH PRODUCT In this approach, each product is ordered independently of the others. This scenario is equivalent to applying the EOQ formula to each product when evaluating lot sizes, as illustrated in Example 11-3 (see worksheet Example 11-3 in spreadsheet Chapterll-examplesl-6). 

Thermoplastic materials are also used in batch production scenarios, albeit in a different manner. Instead of being used as raw materials, they are more likely to be used in an intermediate product, as a sheet that gets formed and cut, as a block that gets machined, as a film that gets converted to another shape, etc. In these scenarios, the material selection process is very similar to the process used in the fabrication of standardized parts for mass production. As such, the information presented in later chapters can also be used to evaluate the materials used in these intermediate products. 

Now let us assume that our pin is made of thermoplastic and it is injection molded. So, we know it cannot be a pure cylinder with a perfect diameter, as there is going to be some amount of draft added somewhere—regardless of how we orient the part in the mold—and perhaps even some mold mismatch. Then we have a hole in another part, which is thermoformed, or perhaps rotationally molded. That hole is not going to be a perfectly round hole (or straight), no matter how much we may want it to be. Now, we have to establish size targets for the pin and for the hole, evaluate the tolerances for a typical production scenario, and then do a tolerance analysis to ensure that everything always fits. 

In this evaluation SCREEN was applied to calculating Ground Level Concentrations (GLCs). In this analysis, we assume an average emission rate over the length of the fire incident. Literature information supports that a fire of this magnitude and under uncontrolled conditions, would consume anywhere from 70 to 90 % of the products. The entire fire scenario is... 

In general, plant-protection products are biocidal active substances and are therefore by nature toxic to target organisms. At least some of them are also toxic to humans therefore, the safe use of plant-protection products presupposes, among other things, an evaluation of worker exposure during re-entry, an adequate risk assessment on the basis of the various practical scenarios in agriculture and horticulture, and, if necessary, specific instructions for worker protection on the product label. 

It is advisable, then, in a tiered approach to concentrate first on crops and activities (scenarios) that are considered to be relevant with respect to the expected level of exposure and to exclude those not relevant. Second, whether or not the toxicological properties of the product may lead to general restrictions on re-entry should be investigated. If both the likelihood of reentry and the hazard due to the toxicity of the compound cannot generally be neglected, a risk assessment over several steps should be carried out. The assessment may be based on surrogate data and "worst-case" assumptions at first and then refined, if necessary. One possible approach to a tiered evaluation procedure is presented in Figure 1. 

A traditional checklist analysis uses a list of specific items to identify known types of hazards, design deficiencies, and potential accident scenarios associated with common process equipment and operations. The method can be used to evaluate materials, equipment, or procedures. Checklists are most often used to evaluate a specific design with which a company or industry has a significant amount of experience, but they can also be used at earlier stages of development for entirely new processes to identify and eliminate hazards that have been recognized through operation and evaluation of similar systems. To be most useful, checklists should be tailored specifically for an individual facility, process, or product. 

In co-operation with a German chemical company, a recipe-driven batch process was modelled and simulated using PPSiM. In the simulation study, different pipeless plant scenarios were tested and evaluated. The plant under consideration produces a set of consumer care products. 

The objective of the simulation study therefore was a comparison of the profitability and the flexibility between an existing standard multipurpose plant and different conceivable pipeless plant scenarios. Based on the production data of the existing plant, an optimal pipeless plant setup was developed and representative production plans were simulated and evaluated. 

The simulations evaluated different pipeless plant setups starting from a basic configuration. The scenarios differed by the numbers of stations and of AGVs. As the evaluation criterion the overall production time of the production plans was used. 

Table 3.4 lists the production times and the processing times of the evaluated scenarios. Figure 3.6 compares the processing times of both plant concepts. Scenario G2 in Table 3.4 is identical to configuration 8 in Table 3.2. 

Yet just as all people are not alike, neither are all food crises alike. They can vary in their familiarity, severity, proximity, consequence, and the extent to which they can be avoided. This review covers a wide range of crises from bacteria contamination, to product tampering, to fears related to irradiation and biotechnology. Different types of crises will be evaluated differently by different groups of consumers. What has been done in this review is to focus on worst-case scenarios involving initial responses to food safety issues. These will provide the most clear and illustrative profiles of consumer response. Less extreme scenarios will elicit less extreme responses. 

Closing a water loop is primarily focused on the achievement of a more environmentally sustainable production process. The treatment scenarios that have been identified as technically feasible should be further evaluated on criteria of environmental sustainability. Within the context of closing industrial water loops the following environmental effects have to be considered at a minimum ... 

A broader and more detailed evaluation can be done by performing a Life Cycle Analysis (LCA). The central idea of a LCA is that the environmental effects during the entire life cycle of a process are quantified. These environmental effects are caused by the use of fossil fuels for heating and production of electricity, the use of non-renewable raw materials for the production of materials and chemicals, and the emissions of pollutants to air, water and soil. These environmental effects can be subdivided further in various levels of detail. The five major effects mentioned are derived from the more general effects considered in the framework of the LCA. Based on the environmental sustainability of each of the complete treatment scenarios considered as technically feasible, a ranking according environmental... 

The starting point in the development and designing of a closed water loop system is an inventory of the amounts and the quality of the process and transport water flows which are needed for the various steps in the production process. Each production step where process or transport water is involved causes a certain amount of wastewater. The pollution of this water is strongly dependent on the process step. The selection of separate treatment steps which, together, comprise a closed loop water system is complex. As already mentioned, various complete treatment scenarios can be developed and designed to satisfy the requirements set for process and transport water and treatment of wastewater. A technical and economic evaluation, in combination with environmental sustainability assessment, is necessary to determine the treatment system which is most appropriate. 

During the design phase, all of the data derived from the hydraulic characterization are evaluated for use in the selection of recovery pumping equipment and for the determination of the most appropriate subsurface fixtures (whether wells, trenches, or drains, etc.). A variety of generic scenarios may be appropriate to optimize product recovery. If the product thickness is sufficient, the viscosity low, and the formation permeable, a simple pure-product skimming unit may be the best choice. Other combinations of permeability, geology, and product quality will require more active systems, such as one-pump total fluid, or two-pump recovery wells. 

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