AS2885 EBOOK DOWNLOAD

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COMMITTEE ME DR (Project ID: ) Draft for Public Comment Australian Standard LIABLE TO ALTERATION—DO NOT USE AS. This Australian Standard was prepared by Committee ME/38, Petroleum Pipelines. petroleum pipelines, and AS , Pipeline Gas and liquid petroleum, as well as. representatives on the Joint Committee to produce it as an Australian Standard. AS Pipelines Gas and Petroleum-Operation & ediclumpoti.tk - Download as PDF File .pdf), Text File .txt) or read online.


As2885 Ebook Download

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Welding, was issued to supersede Section 7 of AS —, and Committee ME has considered the need for the AS series of. Committee ME, Petroleum Pipelines, to supersede AS —, Pipeline —Gas and liquid petroleum. After consultation with. ISBN (PDF) AS/NZS (a) Definitions have been updated to match AS definitions, where applicable.

Equipment for instrumentation, telemetering and remote control. Compressors, pumps and their prime movers and integral piping. Heat exchangers and pressure vessels see AS Design and fabrication of proprietary items. Wellhead assemblies and associated control valves and piping.

Casing, tubing or piping used in petroleum wells.

Stations for compressors and pumps on offshore platforms. Environmental Protection Act ; Figure 1.

Pipelines Act, for onshore oil pipelines. For offshore pipelines, consideration should also be given to sensitive areas associated with new pipeline construction.

This is controlled by:. Petroleum and Submarine Pipelines Act [4], which governs the commercial extraction of oil and the protection of the environment.

If designing a pipeline from A to B, ideally it would be convenient to use the shortest route as a straight line between the two points see Fig. This is not always possible as, when routing onshore pipelines, the route must take into consideration:. Usually, a 1 km wide strip is used to identify any deviations required in the pipeline route, as shown in Figs 1. Figure 1.

Care must be taken with routing pipelines that cross areas of high shipping activity, since there is the risk of damage to the pipe from anchors, or even the sinking of small boats if these become hooked on the pipe. The general principle is that the pipeline should be constructed so that it crosses perpendicular to the shipping lane, i. Other considerations that may affect the pipeline route include those shown previously in Fig.

A seismic sonar survey is usually conducted to determine the overall terrain below the surface. When looking at detailed design of offshore pipelines, there are a number of considerations, in particular:. On bottom stability of the pipeline, hydrodynamic loads should be assessed to check whether the pipeline will be stable on the seabed under its own weight and will not move as a result of current and wave movement.

These loads include lift, drag and inertia forces. Subsea pipelines that are not trenched are also susceptible to spans forming owing to surface erosion and movement.

As the frequency of these vortices approach the natural frequency of the pipeline, in-line vibration and vortex-induced vibration can occur. This results in fatigue of the pipeline and can ultimately cause failure. Analysis of free spans along the pipeline route should be conducted to check for vibration.

A Quick Guide to Pipeline Engineering

Finally, subsea pipelines are also at risk from lateral and upheavel buckling. For cross-country pipelines, farmers should be consulted, since compensation payments are likely, in order to allow a pipeline to cross private land. In addition, permission will be required in areas where the proposed pipeline route will cross roads, railways or river crossings.

Finally, to prevent any disruption to the project at the construction stage, appropriate measures should be taken to ensure that the proposed route does not affect protected wildlife species, preventing costly delays later in the project. Once all these considerations have been addressed and the route options for the pipeline have been selected, detailed design of the pipeline system can be done.

What does the detailed design involve? This includes looking at the detailed design parameters shown in Table 1.

This Australian Standard was prepared by Committee ME/38, Petroleum Pipelines.

Note that the length of transmission pipelines varies considerably and can range from less than 1 km to thousands of kilometres. When deciding the form of product to transport, it is important to consider the advantages and disadvantages of using liquid or gas. The main advantages of liquid transmission pipelines include the following:. During inspection using intelligent pigs, the speed is easier to control.

The pipelines are easier to inspect using ultrasonics.

It is possible to transport products in batches. Liquid is incompressible, and so the consequence of failure is less critical i. Flow is more controllable. Disadvantages of liquid pipelines are as follows:. There is a greater risk of pollution when leaks occur, i.

A Quick Guide to Pipeline Engineering

Pipelines can easily become clogged with waxy deposits. The main advantages of operating gas transmission pipelines include the following:. Pollution is less critical since gases such as methane are lighter than air and diffuse into the atmosphere.

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AS 2885 Pipelines for Gas and Liquid - Design and Construction.pdf

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A summary of the main standards used worldwide includes those shown in Tables 1. The Standard also applies to pipelines between terminals see Figures 1. This is a new section that sets down the minimum process including activities required to demonstrate the fitness of a pipeline to designed and operated at one pressure as suitable for approval for operation at a higher pressure. Finally, ongoing maintenance of pipelines should then form part of a failure prevention and corrosion monitoring strategy including ongoing repairs and surveying techniques.

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