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Cangzhou Great Drill Bits Co.,Ltd.
Cangzhou Great Drill Bits Co.,Ltd.
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News

News

  • 01
    02
    2021
    Brief Introduction of Mining Drill Bits
    Diamond bit is a cutting tool which uses diamond material as cutting edgeThe mining drill bit is the main component of the drilling equipment, and its main function is to break the rock and form a bor...
  • 22
    01
    2021
    Structure and Rock Breaking Mechanism of PDC Bit
    PDC bit is made of polycrystalline diamond cutting blocks, and then a certain number of cutting blocks are mounted (or sintered) on the bit body.The cutting block is sintered into a whole by a thin la...
  • 15
    01
    2021
    Reasons for the Growing Strength of the Rock Bit Market
    As a tool for drilling rock formations, rock bits have been widely used. Significant improvements in bit performance have directly reduced drilling costs, especially in the past decade. Service life a...
  • 08
    01
    2021
    Absolute Advantage of Water Well Drill Bits
    Water well drill bits can be regarded as the lowest cost drill bit, because we all know that water well drill bits are used in the upper stratum, and the wear on the drill bit is very small, so the ha...
  • 01
    01
    2021
    The Cause of PDC Bit Balling
    Ⅰ. The common phenomenon of PDC drill bit balling  1. The footage is obviously slower when drilling, or it is obviously higher when drilling;2. Increasing or reducing WOB has no obvious effect on d...
  • 22
    12
    2020
    What Should Be Paid Attention to When Reaming Rocks?
    The main parameters of the rock reamer operation control are the push-pull force applied to the reamer by the drilling rig (pull force during reverse reaming, thrust force during forward reaming), or ...
  • 15
    12
    2020
    Selection of Reamer during Construction
    Choosing the suitable under reamers hole openers according to the characteristics of the stratum during construction is the main way to improve construction efficiency.In order to adapt to different f...
  • 08
    12
    2020
    Introduction of Roller Bit
    Ⅰ. Classification of tooth bitsDrilling, exploration, petroleum, drill bits, drilling accessoriesⅡ. The main structural features of tooth bits:1. The use of high-strength and high-toughness carbide ...
  • 01
    12
    2020
    Basic Structure and Working Principle of Tooth Bits
    Since the first roller cone bit came out in 1909, the tooth bit has been the most widely used in the world. Tri-cone bits are currently the most commonly used bits in rotary drilling operations. This ...
  • 24
    11
    2020
    Classification and Selection of Tooth Bits
    There are many manufacturers of tooth bits, and these drill bit factories provide bits of various types and structures. In order to facilitate the selection and use of roller cone bits, the Internatio...
  • 17
    11
    2020
    Rock Reamer Hole Opener - Precautions for Drilling through Reamer
    1. Rock drilling is different from soil drilling. Generally, the cost is higher and the cost is higher. Therefore, the safety of reaming and the reliability of the project must be the highest principl...
  • 10
    11
    2020
    A Form of Rock Penetration Drilling
    1. Rock through directional drillingThe directional drilling of rock crossing engineering mainly includes simple construction method, double wall drill pipe drilling method, pneumatic or hydraulic DTH...
  • 03
    11
    2020
    Features of Replaceable Hob Type Rock Reamer Hole Opener
    1. This series of drilling tools are suitable for large-diameter traversing projects with heavy loads of large drilling rigs, and suitable for various rock formations.2. The rock reamer hole opener us...
  • 22
    10
    2020
    How to Choose a Reasonable Reamer for Pre-reaming
    Before pre-expanding, an optimized reaming plan should be formulated, and the maximum reaming diameter and number of reaming should be determined according to the equipment capacity, stratum condition...
  • 15
    10
    2020
    What Kind of Reamer Can be Used for Different Drilling Rigs?
    1. Advantages of cone type reamer:1) Short processing cycle.2) Suitable for rock reamer hole opener of various diameters (more suitable for small and medium diameters), and suitable for various format...