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What are the categories of thin-walled welded steel pipes?

What are the categories of thin-walled welded steel pipes?

The wall thickness of seamless steel pipe is relatively thick, and the diameter thickness is relatively small.However, the diameter of the pipe is limited, its application is also limited, and the production cost, especially the production cost of large-caliber seamless steel pipes, is relatively high.

03

2023

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04

What is the main purpose of special petroleum pipes?

What is the main purpose of special petroleum pipes?

Different types of casing used in oil extraction: special petroleum pipes on the surface protect drilling from shallow water and gas reservoirs, support wellhead equipment and maintain the weight of other layers of casing.

25

2023

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04

Precautions for the use of special petroleum pipes

Precautions for the use of special petroleum pipes

Special petroleum pipes are mainly used for oil and gas well drilling and oil and gas transportation.It includes oil drill pipes, special petroleum pipes and oil production pipes.Oil drill pipes are mainly used to connect drill collars and drill bits to transmit drilling power.

25

2023

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04

What is a special petroleum pipe?How to make special petroleum pipes?

What is a special petroleum pipe?How to make special petroleum pipes?

Petroleum special pipe is a kind of steel pipe used to support the well wall of an oil and gas well to ensure the normal operation of the entire oil well during drilling and after completion.

25

2023

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04

What is the general material of oil and gas pipelines?

What is the general material of oil and gas pipelines?

Modern residential areas generally install natural gas pipelines. Due to the relatively high frequency of natural gas use, special attention should be paid during the installation process. So what material is the natural gas pipeline made of?What should I pay attention to?

25

2023

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04

N80 oil casing prices are also difficult to change the downward trend

N80 oil casing prices are also difficult to change the downward trend

In the construction steel market, the price of N80 oil casing is also difficult to change the downward trend, but the decline is significantly slower than before.In markets such as Shanghai and Hangzhou, where the weekly decline in ton prices has exceeded 100 yuan, the current decline has generally narrowed to 10 to 60 yuan.

25

2023

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04

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