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Petro
Introduction
Petroleum has been described as a ‘tainted blessing’ for the global economy. On one hand, it is a vital source of energy that is needed for development. On the other hand, overdependence on its use has been detrimental to the environment and human health in numerous ways.
History
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1060 
Abigail
Bamboo derrick used for drilling and extracting oil and gas in ancient China
China has a long history with oil, with the use of bamboo drilling rigs dating all the way back to the Ming Dynasty (1368-1644), when it was used to dig wells that could reach up to 200 meters in depth.
In the eighteenth century, bamboo rigs were used to tap into shallow natural gas deposits. Thi......
drilling ship
Drilling Rig
A drilling rig is a machine used to bore deep into the earth’s surface in order to extract oil, natural gas and other minerals. This type of drilling is known as hydrocarbon exploration and is an important part of the world’s energy supply. Rigs vary widely in size, from small rigs......
thread measurement
Thread Measurement
Threads come in several designs, configurations, and sizes. An important factor in determining accurate thread measurement is the pitch, which is the distance between the individual threads on the screw or nut. Thread measurement involves considering both these variables, as we......
Drilling instrumentation
Today, drilling instruments are extremely important to any drilling operation. Drilling instruments play a critical role in providing information about the drilling environment so that drilling personnel can understand and respond to potential problems quickly and efficiently.
Drilling instrument......
Oil and gas well downhole operation equipment
Oil and gas well subsurface operation equipment
Subsurface operations are vitally important to the oil and gas industry. As wells are drilled into the Earth, specialised engineering and equipment are required to ensure that the processes of drilling and transferring the resource to the surface is......
trepanning drill
Useless Casing Drilling
Useless casing drilling is a process wherein a hole is created by cylinders, which are cased in steel and directly filled with drilling mud. This allows for a relatively precise control of downhole pressures and also helps to insulate against lost circulation. It is an imp......
group drilling
Credit cards can be one of the biggest sources of convenience, or one of the biggest sources of debt. For many people, the difference between the two can be influenced by how they use them.
When used responsibly, credit cards can provide users with rewards, additional protection, and the convenie......
Foil pinhole
Aluminum Foil Pinholes
The use of aluminum foil is common in many areas of the home, including food packaging and heating. Aluminum foil is a thin sheet of hammered aluminum, usually in the form of a roll, and is commonly used to cover and seal food containers. However, aluminum foil pinholes can......
Common quality defects after heat treatment of bearing parts
1. Too Low Hardness
As with any kind of heat treatment process, one of the most common quality issues that can arise when heat treating a bearing part is too low hardness, usually caused by insufficient heat treatment time and temperature. If the bearing part is below the specified hardness, it wi......
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