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  • The working mode of a single roller cone bit to a rock stratum
    2021-09-21
    Single roller cone bit is the most widely used bit in petroleum drilling engineering. It has the characteristics of a wide bottom layer and high ROP. So how does the single roller cone bit work? What is its rock-breaking principle? Next, we will focus on the above problems to introduce the single ro
  • The using method and precaution of the PDC rock bit
    2021-09-16
    In the drilling process, the PDC rock bit is the main tool for crushing the rock, and the length of time it takes to form a borehole is not only related to the characteristics of the rock in the formation being drilled and the performance of the PDC rock bit itself, but also to the degree of mutual
  • How to remove the tricone bit from the drilling machine?
    2021-09-13
    Tricone drill bit is the most widely used bit in drilling machines. It has the characteristics of a wide bottom layer and high ROP. To protect the drill bit, it is necessary to remove the tricone drill bit after drilling, so how do we remove the drill bit after use?Here is the content list:l Why doe
  • Drilling speed influencing factors of the PDC rock bit
    2021-09-10
    Drilling speed influencing factors of the PDC rock bitThere are many factors to evaluate the performance of a PDC bit, of which drilling speed is an important aspect, so what factors affect the drilling speed? Here is the content list:●Influence of geological factors on drilling speed●Influence of u
  • How much do you know about the reamer?
    2021-09-08
    How much do you know about reamers?Drill reamer is a tool with high cutting efficiency, high machining accuracy, and low cost to integrate drill bits and reamers. Including the head and shank two parts, the head by the straight groove drill, reamer and crank local composite, reamer for the four-toot
  • The diversity of the components of the hole opener makes the hole opener can be used on various occasions
    2021-09-06
    Hole opener, also known as the hole saw or hole saw, refers to a special circular saw of sawing type for processing circular holes in modern industry, which is simple and flexible to operate, safe, and widely used. The hole opener is mounted on an ordinary drill, it can easily cut round holes, trian
  • The specific structure of the single roller cone bit
    2021-09-01
    The specific structure of the single roller cone bitThe structure of the single roller cone bit is fine and complex, with a wide range of components. In-depth knowledge of its internal structure helps us to understand the study of single roller cone bits and paves the way for the use and development
  • The difference between tricone bit and diamond bit
    2021-08-31
    The tricone bit and the diamond bit are the two mainstream bits used in the drilling industry. Since the first roller cone bit was introduced in 1909, the roller cone bit has found the most widespread use in the world. The tricone bit is the most common bit used in rotary drilling operations. So let
  • How do I make a qualified reamer?
    2021-08-30
    The reamer has one or more teeth to remove a rotating tool with a thin metal layer of the machined surface. The twisted holes are machined to achieve precise dimensions and shapes. Do you know more about it?Here is the content list:●What are the design points of the reamer?●What are the requirements
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Hejian Hengji Bit Manufacture Co.,LTD  is specialized in researching and production of rock drilling bits , mainly includes tricone bits, PDC bits, HDD hole opener, foundation single roller cutters, drag bits and related tools with advanced CNC machines and R&D team.

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