04202018Fri
Last updateThu, 19 Apr 2018 4pm

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Air Valves in Piping Systems

Air Valves in Piping Systems

Liquid piping systems are prone to colle...

Are Valves from Low-Cost Countries Getting Better?

Are Valves from Low-Cost Countries Getting Better?

The last 25 years have seen standards cr...

Managing the Generation Gap: Much Ado About Nothing?

Managing the Generation Gap: Much Ado About Nothing?

The baby boomer generation was the most ...

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Industry Headlines

Emerson and BlueFin Form Strategic Partnership

Thursday, 19 April 2018  |  Chris Guy

Emerson and BlueFin have signed a working partnership agreement to deliver the Roxar gauge technology to the U.S. Gulf of Mexico (GoM) region. The part...

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Industry Headlines

Emerson and BlueFin Form Strategic Partnership

17 HOURS AGO

Emerson and BlueFin have signed a working partnership agreement to deliver the Roxar gauge technology to the U.S. Gulf of Mexico (GoM) region. The partnership will deliver a combined offering of Emerson's technology coupled with BlueFin's installation services and chemical injection systems.

BlueFin, a...

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Flowserve Expands Partnership with Unisys

1 DAY AGO

Flowserve, a client of Unisys Corporation, will expand its use of the Unisys Stealth microsegmentation solution through a new agreement to implement the solution more broadly across the enterprise. Under the new agreement , Flowserve will increase the number of servers and endpoints protected by Steal...

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OECD Natural Gas Production Up 2.4% in 2017

18 HOURS AGO

An assessment of monthly data shows that in 2017 Organization for Economic Co-operation and Development (OECD) natural gas production grew by 2.4% compared to 2016. This growth was driven by increases in production across all OECD regions, particularly in Asia Oceania (+17.7%), whilst the Americas and...

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Major Trends Changing the Chemical Industry

2 DAYS AGO

“The accelerated globalization of the chemicals market is one of four major trends that we at SAP see shaping the chemical industry through the remainder of 2018 and beyond,” writes Stefan Guertzgen, global senior director for industry solution marketing, chemicals at SAP.

“Amid such ...

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Beige Book: Solid Outlook Despite Tariff Concerns

19 HOURS AGO

Economic activity continued to expand at a modest to moderate pace across the 12 Federal Reserve Districts in March and early April. Outlooks remained positive, but contacts in various sectors including manufacturing, agriculture and transportation expressed concern about the newly imposed and/or prop...

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IMF Predicting Global Economic Upswing

1 DAY AGO

World growth strengthened in 2017 to 3.8%, with a notable rebound in global trade. It was driven by an investment recovery in advanced economies, continued strong growth in emerging Asia, a notable upswing in emerging Europe, and signs of recovery in several commodity exporters. Global growth is exp...

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The Rough-And-Tumble Oil And Gas Industry

spr11_oil_refinery_162px

Rugged, reliable and safe are essential characteristics to all equipment operating in this industry, and valves are certainly no exception.

Historically, the oil and gas industry has presented equipment suppliers and production personnel with difficult and demanding operating conditions. For valves, that has translated into an ever-increasing need for tougher, longer-lasting, better performing valves.

Demand for oil and gas grew tremendously during the industrial revolution and grew even further to fuel the development of western economies. This demand spurred the need for deeper wells, longer pipelines and lower production costs, which required drillers and refiners to select equipment more carefully. As production, transportation and processing technology advanced, equipment performance requirements became more and more stringent to support increasing operational efficiencies. Today, performance expectations are higher than ever because the variety of operating conditions has expanded, and the protection of personnel and the environment have been added to the list of requirements.

Valve service environments and operating conditions within the oil and gas industry are unique and extreme. From exceptionally high temperature (greater than 1,500° F or 816° C) and high pressure (greater than 25,000 psig) to cryogenic (-150° F or -101° C) or cryogenic for LNG (-260° F or -162° C ) and very low-pressure applications, valves must be engineered to perform dependably. In addition to this wide range of conditions, the remote locations of valve services also present unique challenges. Examples include deep sea valves operating 10,000 feet (3,048 meters) below the sea surface and pipeline valves exposed to the extreme temperatures found in a desert. Valves in these tough environments may stay open or closed for extended periods of time, yet they are expected to operate reliably even when they have not been cycled in many years.

spr11_fig_1Figure 1. The many stages of petroleum refining

Each segment of the oil and gas industry—upstream, midstream and downstream—offers its own examples of extreme conditions for valves. In the upstream segment, valves control the flow of crude oil and natural gas from high-pressure injection systems to choke valves and blow-out preventers at the top of wells. Valve systems are asked to perform over the many years of a producing well’s life—a life that depends on different factors such as economies and new recovery techniques. New-found sources of oil and gas from tar sands and shale formations have added to the complexity of valve specifications because they require placing oil and gas into pipelines taken to processing facilities that can be many miles away.

The midstream segment—storage and transportation of oil and gas resources from remote sources such as the deepwater fields of the Gulf of Mexico or the frozen tundra of Alaska—has another unique set of conditions. Long pipelines require compressors along the way to keep the product moving, and valves are asked to protect equipment while offering minimal restriction to the flow. Extremely low temperatures are required for converting natural gas into natural gas liquids in preparation for transportation from isolated gas fields to gas-consuming markets. Cryogenic service demands that valves be made of materials for low temperatures and other special designs. Midstream solutions for loading/offloading terminals and storage tanks for oil and gas products offer more opportunities for valve suppliers.

The third industry segment—downstream—brings challenges to find solutions for the refining process of crude oil, as well as the sale and distribution of both the refined product (i.e., gasoline, fuel, asphalt, etc.) and natural gas. This sector is made up of industrial, retail and distribution businesses and is the segment that provides products such as heating and transportation fuels to consumers and businesses. Additionally, this segment feeds raw materials to a variety of petrochemical industries that use petroleum-based products to make plastics, fertilizers, pharmaceuticals and more. The valve requirements for the downstream market include higher-pressure designs and metal-seating technology and metallurgies to accommodate the temperatures at which modern refineries operate.

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