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How Does Pipeline Work?16 min read

how does pipeline work
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How Does Pipeline Work?


You may have heard about a pipeline and wondered what its process entails. Pipelines are constructed to carry liquid and gas, but did you know that gathering and storage pipelines also exist? Read this article to learn more about these important infrastructures. The process of installing a pipeline starts with obtaining permits and clearing right-of-way. A trench is dug to lay the pipe in, while a hole is drilled under a waterway or road. Welds and pipe connections are checked for consistency and continuity with x-rays and ultrasonic scans. Pipelines are also coated with an anti-corrosive coating and cathodic protection is installed on the pipe.

Gas pipeline

Transient flows occur in a gas pipeline during filling, line pressurization, or emergency shutdown. Transient flows also occur during normal operation and can be caused by variations in demand, the start or stop of a compressor, or a leak. The types of transient flows can greatly affect the operation and reliability of the pipeline. Listed below are some common transient flows that occur in a natural gas pipeline. In addition, these flow conditions can drastically affect its quality and safety.

The most commonly recognized gas pipeline is made of dark steel, though other materials can be used in some areas. Copper is used in some regions, though some utilities prohibit it explicitly. A typical gas pipeline transports raw petroleum and refined energy, as well as volatile fluids called anhydrous smelling salts. Since gas is very heavy and must be moved for significant distances, this process can be a complicated one. To make the process easier to understand, here are a few steps that can be taken.

Pipelines are built and operated by the Greer Commission of Public Works, a government agency that regulates energy resources. The agency is responsible for granting permits for pipeline construction and ensuring that pipelines are environmentally responsible. The federal government’s role in regulating pipeline construction and operations is essential to the overall safety of the public. A lack of safety measures on the part of pipeline operators can result in disasters. Fortunately, this type of disaster is rare and can be minimized through proper planning.

Transient and steady-state operations are two major types of natural gas pipeline networks. A steady-state pipeline has a steady-state gas flow, while a transient pipeline is a continuous, changing flow. The latter is more manageable from an optimization perspective because of its nonlinear nature. The steady-state partial differential equation can be reduced to a nonlinear equation without any derivatives. So how does a gas pipeline work?

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Oil pipeline

The crude oil that we all use comes from deep underground. It flows through the pipelines in order to be refined. Once it’s been refined, it’s sent to refineries where it’s turned into usable fuel for our cars, heat, and more. The process involves thousands of miles of travel through pipelines to reach our local markets. Here’s how the oil pipeline works to transport it. But before you start putting your money into oil refineries, consider how your local pipeline works.

Oil pipeline construction involves massive tools and complex processes. The process begins with selecting a route. This involves evaluating the possible locations, determining which trail is the best, and addressing concerns from local communities. The route chosen will have a significant impact on the design of the pipeline, so it’s important to take a careful look at the terrain before you begin construction. Then, a survey crew will conduct an initial terrain inspection. This will ensure that the pipeline is safe and that any potential problems have been addressed.

Refined products are transported in a separate pipeline. The crude oil pipeline carries crude oil to refineries, while the product pipeline transports refined products to markets. Typically, different grades of crude oil will travel through the same pipeline in separate batches. This is so that mixing between batches is controlled. Large batches can be separated by using rubber spheres. In rare cases, two liquid products can be transported without a separator.

The liquid petroleum pipeline connects producing areas to refineries and chemical plants. It delivers products to American consumers. These pipelines are safe and efficient and move oil from the oil fields to refineries where it is refined into fuels and other products. These refined products are trucked to retail outlets. The pipeline network works twenty-four hours a day, seven days a week. These pipelines are located 3 to 6 feet underground. They also have the capability to transport hazardous materials.

A pipeline crosses a variety of land types, so easement agreements between pipeline companies and landowners are necessary. Pipelines are generally surrounded by a construction zone of twenty-five to 150 feet. The permanent right-of-way, on the other hand, is smaller. These agreements are also necessary for maintaining the right-of-way for a pipeline. There are also various transportation methods that can be used for pipeline products.

Liquid petroleum pipeline

How liquid petroleum pipeline works? Oil pipelines are a major part of transportation infrastructure. Each year, pipelines safely deliver trillions of cubic feet of natural gas and hundreds of billions of ton/miles of liquid petroleum products. The volume of these energy products moving through pipelines is far more than can be transported via other means of transport. For example, a modest pipeline could move that volume every two minutes. A railroad equivalent of that pipeline would be 225 28,000-gallon tank cars.

Different types of products are sent down the pipeline in batches. One batch of gasoline, jet fuel, or diesel fuel can last for several hours. The pipeline operator tracks each batch of products through scheduling and records it on tickets that identify the type of product, its origin, and its owner. The products are measured upon delivery and at receipt points. If the pipeline is experiencing pressure, a regulator can release pressure in the pipeline to relieve the pressure.

The size of a pipeline varies by type. Some pipelines are small, two to eight inches in diameter. Larger pipelines are 48 inches and up. A single pipeline can stretch over seven hundred miles. In the U.S. alone, there are approximately 70,000 miles of pipelines. Many of them are used for domestic use. Besides oil, they also transport refined petroleum products, such as diesel, gasoline, and jet fuel.

However, the amount of liquid that can spill from a pipeline varies. While small spills will affect the environment, large spills release thousands of cubic meters of liquid. The impact on the environment will depend on where the spill occurs and how quickly the spill is detected. Some pipes of the network will require careful attention to hydrate formation. These large spills rarely reach the groundwater or the aquifer, but they may require the intervention of emergency responders.

Natural gas and oil products are transported via pipelines across North America. These pipelines not only transport fuel but also natural gas liquids such as propane and ethane. In addition to transportation fuel, these pipelines transport raw materials for manufacturing. You can view the various pipelines across the country. The interactive map below shows the locations of natural gas liquid, gasoline, and natural gas pipelines. This information is helpful for those wishing to understand the different components of an energy pipeline.

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Gathering pipeline

A gathering pipeline is a gas transportation pipeline that carries natural gas from an existing production facility to the main transmission line. The 1970 final rule defined a gathering pipeline as one that carries gas between an existing production facility and the main transmission line. The new rules subject gathering lines in urban and non-rural areas to the same safety and operational requirements as transmission pipelines. In addition to these regulations, gathering pipelines also must meet certain environmental requirements.

The Department of Transportation requires gathering pipeline operators to report information to the agency to better understand the risks involved with gathering pipelines. Beginning in 2021, operators of natural gas and hazardous liquid gathering pipelines are required to submit data to the agency. Data collection may prove challenging in some cases because some gathering pipelines are not openly available or have undergone ownership changes. This article will discuss the new requirements. Gathering pipeline operators need to submit data on safety and environmental risks related to gathering pipelines.

The definition of a gathering pipeline is important because it is used to categorize certain gas pipelines. It also considers areas where a pipeline rupture would likely cause permanent damage to the environment, such as streams or marshes. Gathering pipelines must be regulated by PHMSA to ensure public safety. PHMSA has held multiple public workshops to discuss criteria for the classification of gathering lines, including the areas where a rupture would be likely to harm the environment.

Currently, the API RP 80 defines gathering lines as pipelines connecting a gas production operation to a downstream gathering point. It defines endpoints as an inlet for the downstream processing plant, and the furthermost downstream point where gas is commingled. While API RP 80 includes a number of supplementary definitions and diagrams, there is a gap in its application. This gap is a significant regulatory issue that should be addressed.

Gas gathering pipelines are important because they carry the unprocessed natural gas from a production site to a treatment facility and distribution main lines. The gathering pipelines separate natural gas from impurities. These pipelines are also often large and operate at pressures comparable to large interstate transmission pipelines. DT Midstream owns and operates the Stonewall Gas Gathering Lateral Pipeline. Its 68-mile gathering pipeline is capable of transporting up to 1.5 Bcf of natural gas per day.

How Does Pipeline Work?

How Does Pipeline Work

So, what is a pipeline? What are the various types? And how does it work? We’ll learn about the process of building a pipeline from a data point of view. In this article, we’ll talk about oil, Interstate pipelines, and Powershell. You’ll also learn about the parameters that go into a model and how data flows through a pipeline. Once you’ve understood the basic process, you can build a pipeline yourself.


To use the Pipeline feature in PowerShell, you must have at least one function. Pipelines are used to pass the output of a command to another function. For example, you can pipe the output of the Dir command to the More command to view the directory listing one page at a time. A similar concept applies to other PowerShell commands. You may think the pipeline is similar to the implementation in Unix or Linux shells, but in fact it’s far more advanced.

To use a Pipeline, you need to run the command from the Windows PowerShell console. In the PowerShell console, type %powershell/pipeline. Then, specify the number of pipes that need to be used. Pipelines are a good option if you frequently execute multiple commands in a single session. Using a Pipeline can save you time while scripting. This is particularly useful if you’re working with large datasets, where one command can take several minutes.

Another way to use a Pipeline is by using the Stop-Process command. This command accepts objects of type Process, but it can’t handle ServiceController because it’s not a Process. Using the ByValue parameter on Stop-Process will cause the command to fail because it can’t identify the type of object that was passed in. Instead, PowerShell looks for parameters that accept ByPropertyName. When you find one, run Get-Member again to see what properties each object has.


You can edit a pipeline in text or visual mode. A pipeline consists of the sequence of stages and a number of properties and options. In addition to containing variables and other data, it can also have a Default Value, which makes a particular parameter value optional. Let’s look at how pipeline works with JSON. Below are the steps to create a pipeline in Pipeline. To start creating a pipeline, you need to have JSON on your machine.

To unify your JSON data in trusted cloud storage, you need to use a JSON pipeline. To activate a JSON pipeline, you need to sign up for an Enterprise Plan, which is not available as a free trial. Then, install a JSON connector for your data warehouse or data lake. Alternatively, you can use the JSON connector from to create a private destination for your JSON data.

When you create a pipeline, you must specify a configuration file. In the HFS configuration file, you must specify the PIPELINE resource and the corresponding XML file. You must use the PIPELINE CSD definition to enable JSON mapping services. The SHELF attribute specifies a directory where you have wsbind files in use. The WSDIR attribute specifies a directory in which you place *.wsbind files. In this way, your pipeline can determine how JSON data structures map to native data.

Interstate pipelines

In the United States, interstate oil pipelines are critical to the safety of the nation’s energy supply. Federal laws mandate that interstate pipelines must use a simplified ratemaking process and streamline proceedings. The Department of Transportation is responsible for ensuring the safety of interstate pipelines. However, the pipelines cannot include emergency natural gas transactions in their rate base. Instead, they must obtain a certificate of public convenience and necessity. This certificate will allow the pipeline to use emergency natural gas transactions and facilities authorized under section 311 of the NGPA.

Rate cases involving interstate pipelines typically occur once or twice a year, but a recent case has led to more than ten rate cases. A rate case involving an interstate pipeline impacts the business of many stakeholders. It may affect the price of a commodity or increase the costs of a service. Here are some possible outcomes of rate cases. One option is to reduce rates and increase payments. If the pipeline company is unable to raise rates, it may opt to resell the excess capacity. Another option is to raise rates.

The permitting process for interstate pipelines involves several federal agencies and public agencies. Federal agencies oversee pipeline construction and operate liquefied natural gas facilities. These agencies are also responsible for regulating interstate pipelines and other natural gas projects. The FEC also reviews and approves LNG terminals and interstate natural gas pipelines. It also reviews the impact of natural gas pipelines on endangered species. In short, a pipeline project is a significant investment in our nation’s energy supply.


Oil pipelines transport petroleum from the fields to refineries. The oil flows through the pipelines at a speed of three to eight miles per hour, depending on several factors, including the diameter of the pipe, pressure, topography, and viscosity. They are located three to six feet under the surface of the ground. In colder climates, the pipelines may become clogged with wax. Pipelines are inspected and cleaned by pigging, which involves using specialized devices known as pigs, scrapers, or “Go-devils”. These “intelligent pigs” can detect mechanical and corrosion damage.

A petroleum pipeline system consists of gathering and transmission systems. Gathering pipeline systems gather crude oil at production wells, while transmission pipelines move refined petroleum to distribution stations. Gathering pipeline systems typically operate at low pressure, and are small in diameter. Transmission pipelines can be 48 inches or larger. They transport refined products from refineries to cities, countries, or continents. They may also contain compressor stations and pump stations. These pipelines are underground and out of sight, and their purpose is to transport petroleum products.

In addition to receiving data from the field, liquid petroleum pipeline operators send different products in batches. Different types of products are sent in several hours, including gasoline, jet fuel, and diesel fuel. The scheduling of these batches helps track customer batch quantities. Each batch is marked with a ticket that shows the type of product, the quantity, the origin, and destination, and the owner. When delivering the product, it is weighed and measured.


The basic process of gas distribution occurs through a series of pipelines. The natural gas moves into a distribution line that can be two inches in diameter or larger. This system is divided into segments at different pressures, and these segments operate at varying rates of flow. A regulator controls the pressure in the different sections. The utilities may also control some of the regulators remotely. In this article, we will look at the process of gas distribution in pipelines and discuss some of the advantages and disadvantages of this system.

The natural gas travels in the interstate system at a very high pressure. The pressure is between 200 and 1500 psi (1.4-10.4 MPa) before it reaches the end consumer. The pressure is reduced as it reaches the final destination. This process allows gas to be transported from one region to another. The pressure that is produced in the pipeline reduces as it travels through the pipeline system to the end consumer.

To control the flow of natural gas, regulators are placed in the pipelines. These valves open and close when the pressure reaches a certain set point. Relief valves are installed on the pipelines, which vent gas into the atmosphere when pressure is too high. A sophisticated computer program monitors the pipeline network to ensure that all customers receive adequate supplies of gas. However, if the regulators are malfunctioning, natural gas will flow in the wrong direction.

Gathering lines

Types A and B gathering lines will both have safety standards, while Type C gathering lines will have additional requirements based on their outer diameter and location. These requirements will include initial inspections, corrosion control, and damage prevention programs, as well as public awareness and leakage surveys. In addition, these types of pipelines will have different operating stress levels and will also have additional requirements for the safety of gathering lines. To learn more about Type C gathering lines, read the docket or contact your local government agency.

In January 1999, DOT opened a Web site to solicit public comments on its proposed definition of gathering lines. While some industry commenters expressed satisfaction with the current part 192 definition and the prior DOT interpretations, most encouraged adoption of API RP 80 as the basis for the new definition. While the proposal is unlikely to cause many reclassifications, some commenters noted that the DOT’s definition of gathering lines is inconsistent with the definitions set out in the API Recommended Practice 80 (API RP 80). NAPSR opposed the unqualified use of API RP 80’s definition of “furthermost downstream” and suggested limitations to prevent manipulating the definition in the future.

The PHMSA’s new regulations for gathering lines have created challenges for operators of these pipelines. Starting in 2021, gathering line operators must file an annual report containing combined information on their onshore/offshore locations, material and diameter range, operating stress level, and number of leaks. It is unclear what the PHMSA will do with this new requirement. But the agency will continue to enact regulations to ensure compliance.


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