What is the principle of square hole drills Square hole drills are mainly used for woodworking. The reason lies in the existence of an impact body. Using this working principle for drilling steel, iron, and materials requires very high tool strength. The specific principle is as follows: The square ...
The wear rate of a diamond bit determines its service life. With a grooved drill pipe with a certain footage efficiency, the service life ultimately determines the level of drilling costs. Whether it is a manufacturer of drill bits or a geological drilling operator, understand The influencing factor...
Aiming at problems such as cracking and de-welding of the spiral fins when the welded auger pipe is combined with wind pressure to drill into the soft coal seam, which can lead to problems such as difficulty in hole formation or even scrapping, spiral grooves are processed in thick-walled pipes by m...
The rocking effect of the diamond drill is done by diamond particles. To know the rock role of the drill bit, you must understand the rock role of single-grain diamond. In the hard formation, single diamonds cause rock in extremely high stress under drilling (about 4200-5700 MPa, some data can reach...
1. Transportation When transporting drill pipes to the well site, it is recommended to use a flatbed trailer with wooden planks, and the drill pipes should be placed on the trailer equally and neatly. For the transportation of a small amount of drill pipes, consider binding and fixing. When loading ...
1. Material and processing (1) Material of drill pipe. Nowadays, the market of drilling materials is chaotic, and dishonest merchants are shoddy. The vast majority of users only consider low prices without the ability to distinguish the quality of pipe materials and purchase them randomly. Many user...
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