what is api 5ct j55 casing tubing?api 5ct j55 casing tubing serves to transport both crude oil and natural gas from oil and gas layer to the surface pipeline after drilling is completed. it is able to bear the pressure produced by the exploitation proc
what is a36 steel plate?astm a36 steel plate is one of the most common grades of steel used in structural applications. this mild carbon steel grade contains chemical alloys that give it properties such as machinability, ductility, and strength that are ideal for use i
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the dongfang 13-2 gas fields project, china's largest offshore high-temperature and high-pressure gas fields project, has been put into operation, its operator china national offshore oil corp said on wednesday.with an annual gas output of more than 3 billion cubic meters, the project can
china has been the global oil market's lifeline this year to increasing purchases from major oil producing countries in recent weeks, said reuters in its nov 19 story global crude market finds support mainly from china demand.in the first three quarters of this year, china impo
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