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Industry Headlines

IMF Raises U.S. Economic Growth Forecast

Tuesday, 17 January 2017  |  Chris Guy

After a lackluster outturn in 2016, economic activity is projected to pick up pace in 2017 and 2018, especially in emerging market and developing econ...

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Industry Headlines

David Paradis Named President of Weir Flow Control Division

3 DAYS AGO

The Weir Group PLC has appointed David Paradis to its group executive as president of the Weir Flow Control Division. He will take up this new role on January 23, 2017. Paradis succeeds John Heasley who was appointed Weir Group CFO in October 2016.

Paradis is currently president of Weir Oil & Gas&r...

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GE, Transocean Announce Performance-Based Service Agreement

5 DAYS AGO

GE Oil & Gas has secured a new contractual service agreement (CSA), valued at approximately $180 million, with Transocean. Under the agreement , GE will provide condition-based monitoring and maintenance services for pressure control equipment on seven of Transocean’s rigs over the next 10 t...

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PA Town Approves $6B Shell Ethane Cracker Plant

19 HOURS AGO

Potter Township in western Pennsylvania has granted a conditional use permit for a $6 billion petrochemical plant to be built by Shell Chemicals. The location was chosen because more than 70% of North American polyethylene customers are within a 700-mile radius of Pittsburgh, PA. More state and fede...

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$4.17B Canadian Trans Mountain Pipeline Expansion Approved

4 DAYS AGO

Kinder Morgan’s Trans Mountain Expansion Project has received its environmental certificate from British Columbia, Canada. The proposed $4.17 billion Trans Mountain Expansion Project would increase the capacity of the pipeline to 890,000 barrels per day. The current capacity of the pipeline is 3...

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IMF Raises U.S. Economic Growth Forecast

-1 DAYS AGO

After a lackluster outturn in 2016, economic activity is projected to pick up pace in 2017 and 2018, especially in emerging market and developing economies. However, the International Monetary Fund (IMF) noted in its new World Economic Outlook, there is a wide dispersion of possible outcomes around ...

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Texas Economy Poised to Shift into ‘Second Gear’ in 2017

19 HOURS AGO

Texas job growth should increase slightly from 1.6% in 2016 to about 2% in 2017, says Federal Reserve Bank of Dallas assistant vice president and senior economist Keith Phillips.

“Job growth picked up in the second half of 2016 due to a stabilization of the energy sector,” Phillips said. ...

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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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