Introduction of Water Well Drilling Rig
Introduction of Water Well Drilling Rig 1.I ntroduction Recently, my team and I have received a lot of information about drilling rigs from all over the world, most of which are about water well drilling rigs . I think that the problem that the world needs water is almost eternal. The water extraction needs to open the earth's crust, so people invented the water well drilling rig. I can talk about some water well rigs. 2.General Situation Of Well Rigs: In the 2nd century BC, China had used the original impact rig that used manpower and drilled the cone drill bit to impact the formation with bamboo bow elasticity. It was used in rural China for a long time. It was not until the 1950s that wire rope impact drills were introduced from abroad. In the early 1960s, simple water well drills such as large and small pot cones and punching cones were developed. Before and after 1966, the company began to develop positive-circulating rotary rigs. Before and after 1974, it successfu...