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Cangzhou Great Drill Bits Co.,Ltd.
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News

News

  • 08
    03
    2021
    Precautions for the Use of Tricone Bit
    The precautions for using tricone bit are as follows:1. Tricone bit operates in different rock formations, and chooses different types of drill bits, axial pressure and speed according to the softness...
  • 01
    03
    2021
    Technical Requirements for Use of Tricone Bit
    The tricone roller bit may not have been known to you before. It is a kind of drilling accessory and it has been used for many years. What kind of performance does the drill bit tool have when it is u...
  • 22
    02
    2021
    The Working Method and Maintenance Method of Oil Roller Bit
    The main rock breaking methods of oil roller bits:When the drill bit is drilled, the weight on the oil roller bit is applied to the rock through the teeth, and there is an impact load in addition to t...
  • 15
    02
    2021
    How to Operate the Tricone Bit after Descending into the Well?
    Operation analysis of tricone bit after going down well:(1) When drilling down and encountering an obstructive stroke, the drilling pressure should be controlled below 20KN, and the speed should be le...
  • 08
    02
    2021
    The Function and Insert Tooth Profile of the Tricone Bit
    1. The function of the tricone bitThe top of the tricone bit adopts diamond compound teeth on the top of the cone to enhance the wear resistance of the teeth and increase the service life of the bit. ...
  • 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...