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Cangzhou Great Drill Bits Co.,Ltd.
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Industry News

Industry News

  • 22
    06
    2022
    Rock Formation Drilling Skills of Roller Cone Bits
    1. The influence of different formation lithology on the failure of roller cone bitsThe influence of formation lithology on drill bit failure is reflected in drilling skills: it affects the drilling s...
  • 15
    06
    2022
    Common Causes of PDC Bit Damage when Drilling Companies
    1. The presence of gravel in the formation damages the PDC bit2. There are many hard interlayers in the formation, which damages the PDC bitDuring the drilling process of the PDC bit, it drills from t...
  • 08
    06
    2022
    Analysis of the Working Principle of the Insert Tricone Bit
    The insert tricone roller bit is under the effect of the weight on bit and the rotation of the drill string. After the teeth are crushed, they also eat into the rock, and at the same time, there is a ...
  • 01
    06
    2022
    Conditions of Use of Tricone Roller Bits and Basic Conditions for Well Entry
    1. Conditions of use of the tricone roller bitThe use conditions of the tricone bit are very important, and it is the premise of a good work of the bit. Before use, you need to read carefully about th...
  • 30
    05
    2022
    Manufacturing Technology of PDC Cutter
    Ⅰ. Manufacturing process of PDC cutterThe manufacturing process of PDC cutter mainly includes two stages:1. Manufacture of PDC cutter: The PDC cutter is sintered at high temperature (1000~2000℃) and hig...
  • 23
    05
    2022
    Design Principle and Failure Mechanism of PDC Cutter
    Ⅰ. Selection of PDC cutter material1. Reasonable selection of PDC granularityThe choice of PDC grain size is related to the processing conditions of the tool. For example, when designing a tool for f...
  • 16
    05
    2022
    Development and Performance of PDC Cutters
    1. Development of PDC cutterAs a superhard tool material, diamond has been used in machining for hundreds of years. In the process of tool development, from the end of the 19th century to the middle o...
  • 09
    05
    2022
    What Are the Precautions for Using PDC Core Bits?
    PDC Core bits play an important role in geological exploration and are commonly used in the drilling construction industry.Ⅰ. Introduction of PDC Core bitThere is no significant difference between PD...
  • 13
    04
    2022
    Uses and Types of Reamer
    1. What is the purpose of a reamer?A reamer is a rotary tool with one or more teeth that is used to remove small layers of metal from a hole's machined surface. The hole is reamed to a specific si...
  • 10
    03
    2022
    Specific Operations of Roller Cone Bit
    The roller cone bit should be performed as follows:1. The roller cone drill bit is activated near the well's bottom, and the pump's displacement is gradually increased to the required level.2....
  • 23
    02
    2022
    Development of Caliper Structures for Tricone Drill Bit
    Tricone drill bit is a widely used drilling bit. When the roller cone bit works, the cutting teeth contact the bottom of the hole alternately, and the rock breaking torque is small. The contact area b...
  • 16
    02
    2022
    How to Drill a Hole in a Rock with a Roller Cone Bit?
    Ⅰ. The impact and crushing effect of roller cone bitDuring drilling, the bit and its cone rotate around the bit axis. The teeth of the cone rotate on their own axis due to rock resistance, and the te...
  • 09
    02
    2022
    Application and Selection of Tooth-wheel Rock Reamer Hole Opener
    Ⅰ. The necessity of using rock reamer hole openerRock reamer hole opener must be used in rock formations. At present, rock reamer hole opener can be divided into hob type and tooth wheel type accordi...
  • 02
    02
    2022
    The Introduction of PDC Core Bit
    Ⅰ. Manufacturing requirements for PDC core bitsWhen manufacturing, people often ignore an important problem, that is, many environmental conditions are complicated. Corrosion or other special conditi...
  • 26
    01
    2022
    Troubleshooting Measures for The Reamer
    1. The larger the diameter of a reamer, the larger the errorAppropriately reduce the outer diameter of a reamer according to the specific situation, reduce the cutting speed, appropriately adjust the ...