Drilling and drilling Wells and complete the well pipe, cleaning and other operations of the mechanical equipment. Including power equipment and drill, drill pipe, core pipe, drill rack, etc. General points rotary transfer machine, impact drilling machine and compound transfer machine 3 categories.
In the 2nd century BC, China already used manpower and the bamboo bow elastic force to make the conical drill bit impact the ground to drill the primitive percussion drill, which had been used in rural China for a long time. Until the 1950s, the introduction of wire rope impact drill from abroad, in the early 1960s began to develop large, small pot cone, grab cone and other simple well drilling. Before and after 1966 began to develop positive cycle rotary drilling machine, in 1974 before and after the successful development of reverse cycle rotary drilling machine and compound drilling machine, the end of the 70′s created a rotary drilling machine. Europe and the United States in the 19th century, the main use of wire rope impact drill, the 1860s, France first use rotary rotary drill, later introduced to the United States and get rapid development. In the 1950s, began to develop reverse circulation rotary rotary drilling machine, and then appeared with compressed air instead of mud as a well washing medium rotary drilling machine, to the 1970s developed hydraulic power head rotary drilling machine.
Post time: Feb-15-2022