Overview

aspenONE Midstream Solutions enable companies to bring new gas processing

facilities to market faster with a higher return on investment. By providing

customers with a more energy-efficient design, it allows users to screen

multiple concept designs quickly. This improves their understanding of gas

processing operations, allowing for better decision making.

With aspenONE Midstream Solutions, companies can reduce capital costs

through steady-state and dynamic process optimization, reduce operating costs

by integrating simulation models with actual operating data for operations

planning and decision support, and improve the safety and operability through

integrated design of process and control systems.

Gas Gathering: Aspen HYSYS (Hydraulics) and Economic Evaluation

Once extracted from the earth, natural gas is gathered and transported to

processing facilities via pipeline. This process is complicated by the presence

of additional undesired materials, such as oil and water, which are extracted

with the gas. To ensure the integrity of pipelines and prevent the disruption of

flow, it is crucial to reliably model flow patterns and hydraulics, pressure drops,

flow rates, heat transfer, and more. Furthermore, it is valuable to develop early

estimates of the cost associated with extensive pipeline network.

Midstream Solutions with aspenONE Engineering

Handle a range of Midstream

challenges including: gas

gathering, gas dehydration,

gas sweetening, cooling,

compressor operability, and

carbon management.

Aspen HYSYS and Aspen HYSYS Upstream allow

you to model hydraulics and flow assurance

to ensure pipeline reliability. Using these

tools, you have to consider single pipelines or

entire gas gathering networks. Flow assurance

features allow you to model key issues, such

as corrosion and erosion, hydrate formation,

and wax deposition. Additionally, Aspen Capital

Cost Estimator, part of AspenTechs Economic

Evaluation suite, projects relative cost estimates

during the design process. Consider factors

including materials of construction, internal

lining and external coating, and terrain and

soil types crossed. Using the new Activated

Economics feature, it takes one click for the

modeler to generate preliminary estimates from

within Aspen HYSYS.

Gas Dehydration: Aspen HYSYS (Glycol Package)

Removal of water from natural gas and NGL is important in preventing equipment damage from freezing and fouling of

pipes. Typical gas dehydration requires the modeling of an absorber-stripper system with glycol absorbents, such as MEG,

TEG, and DEG. Having the best available physical property data is vital to ensuring that these systems can be modeled

and run optimally.

Aspen HYSYS features accurate glycol modeling (including MEG, TEG, and DEG). Founded on the Twu-Sim-Tassone

equation of state, the Aspen HYSYS glycol property package provides reliable methods for: phase equilibrium, surface

tension prediction, and liquid density prediction. Furthermore, you can easily convert simulations from steady state to

transient using Aspen HYSYS Dynamics, for

even greater model integrity.

Acid Gas Cleaning: Aspen HYSYS Amines

H2S and CO

2 are corrosive and must also

be removed during the treatment of natural

gas to prevent equipment damage down

the line. This process, also referred to as

gas sweetening, is best carried out using

aqueous amine absorbents. Similarly to

gas dehydration, its important to model

these systems accurately to ensure plant

operations make the grade.

Aspen HYSYS Amines offers an advanced thermodynamic electrolyte physical property model designed specifically for

acid gas cleaning. Aspen HYSYS Amines uses over 25 years of operational data to calculate non-equilibrium component

stage efficiencies for H2S and CO

2. Consider a wide variety of amines and blended amines using this package, which runs

entirely within Aspen HYSYS.

Consider crucial factors like corrosion with Flow Assurance in Aspen HYSYS

Access a wide array of reliable property data for single and blended amines using Aspen HYSYS Amines

aspenONE Midstream Solutions

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Natural Gas Cooling

NGLs can be condensed out of natural gas by cooling

the system extensively. Well designed and reliable heat

exchangers are necessary to remove the desired amount of

heat from the gas. Shell & Tube and Plate-Fin exchangers

are often selected to drive gases down to these extremely

low temperatures.

Aspen Exchanger Design & Rating (Aspen EDR) is a

powerful tool for the thermal and mechanical design of

many types of heat exchangers, including: Shell & Tube,

Plate, Plate Fin, Air Cooled, and Fired Heater. Aspen EDR

integrates conveniently with Aspen HYSYS, allowing you to

perform rigorous heat exchanger calculations from within

the process simulator. Quickly consider multiple heat

exchanger types, configurations, and even auto-size heat

exchangers within the full process flow sheet.

Compressor Operability

Compressors are vital to several areas of midstream

gas processing. Compression and turbo-expansion is a

popular alternative for cooling the gas to remove NGLs.

After all types of processing, the clean, natural gas product

must be compressed so that it can be shipped out. In

order to ensure efficient and safe design and operation

of compressor systems, it is important to model them

dynamically.

Aspen HYSYS Dynamics is a powerful way to model complex compressor systems, generating more useful and reliable

results than steady state models alone. With dynamic simulation, it is possible to: implement and assess control schemes,

troubleshoot operations, conduct safety analyses, and model complex conditions such as startup and changes in

operating policy.

Carbon Management

With growing global concern for the environment, it is

increasingly important to effectively track and remove

greenhouse gases (GHGs) in facilities. If GHGs are

not managed properly, companies in many countries

face consequences such as carbon taxes from the

government. It is thus in the interest of companies to

carefully monitor and minimize their production of GHGs.

Aspen HYSYS features a built in greenhouse gas tracking

capability, which evaluates the carbon products that are generated and consumed by the process, from the reactants

and products to the fuel sources. Using Activated Energy Analysis, it is easier than ever to evaluate the GHGs present in a

process and compare them to a minimum target value.

Auto-size heat exchangers within Aspen HYSYS

Assess compressor behavior using Aspen HYSYS Dynamics

Easily compare GHG emissions to a target value using Activated Energy Analysis in Aspen HYSYS

Worldwide Headquarters

Aspen Technology, Inc. 200 Wheeler Road Burlington, MA 01803 United States

phone: +17812216400 fax: +17812216410 info@aspentech.com

Regional Headquarters

Houston, TX | USA phone: +12815841000

So Paulo | Brazil phone: +551134436261

Reading | United Kingdom phone: +44(0)1189226400

Singapore | Republic of Singapore phone: +6563953900

Manama | Bahrain phone: +97317503000

Contact SME Sales

North America phone: +1855-882-7736

Europe phone: +44-(0)-1189-226400

Singapore phone: +65-6395-3900

Japan phone: +81-3-3262-1783

Korea phone: +82-2-3779-5811

China phone: +86-10-5924-1502

Email esales@aspentech.com

For a complete list of offices, please visit www.aspentech.com/locations

2013 Aspen Technology, Inc. AspenTech, aspenONE, the Aspen leaf logo, the aspenONE logo, and OPTIMIZE are trademarks of Aspen Technology, Inc. All rights reserved.

Empower Your Company to SucceedaspenONE Engineering is an integrated lifecycle solutionfrom conceptual design through plant startup

and operations supportenabling you to model, build, and operate safer, more efficient and more

competitive process plants. AspenTechs Engineering Professional Services helps ensure that your project

achieves its maximum potential by leveraging our unparalleled industry expertise to design, analyze,

debottleneck, and improve plant performance. Combined with our world-class 24/7 technical support

service, flexible training options, including online training from within the software, proprietary search

engine to locate and re-use models and data, and local language product availability, AspenTech provides

the resources to enable your company to meet and exceed its business objectives.

About AspenTechAspenTech is a leading supplier of software that optimizes process manufacturingfor energy, chemicals,

engineering and construction, and other industries that manufacture and produce products from a

chemical process. With integrated aspenONE solutions, process manufacturers can implement best

practices for optimizing their engineering, manufacturing, and supply chain operations. As a result,

AspenTech customers are better able to increase capacity, improve margins, reduce costs, and become

more energy efficient. To see how the worlds leading process manufacturers rely on AspenTech to

achieve their operational excellence goals, visit www.aspentech.com.

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