Demand is strong for steel piping in the North American oil and gas industry, but regulators will study the deal to see if there are any implications for energy security.

北美石油和天然气行业对钢管的需求比较强劲，但监管机构将调查研究，以决定此项收购是否对能源安全产生影响。

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Start oil piping steam heat tracing.

开启燃油管路的蒸汽伴热。

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Carbon capture and storage (CCS) works by trapping CO2 from the exhaust gases of fossil fuel power plants and then piping it to underground storage sites, such as disused oil wells.

而作为对比，如果利用碳捕捉与储存技术（CCS），在碳排放工厂进行碳捕捉然后将二氧化碳深埋在诸如废气油井一类的地方，每固定一吨碳需要成本达20-270美元。

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The idea is to capture the carbon dioxide emissions from burning the coal for power, then piping the CO2 around to be injected into old oil fields to coax out more stubborn crude.

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Over 94% of the gas stations in the U.S. are owned by independent businesses, and the major oil companies cannot order those retailers to replace dispensers and piping.

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Either way, the CO2 must be put somewhere, for which strategies include pumping it into rocky formations (such as depleted oil and gas wells) at a pressure of 100 atmospheres, or even piping it in liquid form under pressure onto the sea-floor where it is cold enough and the pressure high enough that it is hoped the material will stay there, assisted by the formation of CO2-hydrate.

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