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Cangzhou Great Drill Bits Co.,Ltd.
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News

  • 08
    10
    2020
    Drilling Parameters of the Rig
    1. Drill pressureTheoretically, the drilling pressure depends on factors such as formation rock hardness, diameter, drilling speed, drilling rig, drilling tool capacity and drill bit structural streng...
  • 01
    10
    2020
    Drilling Assembly Experience in the Construction Process
    The control of the pilot hole curve is very important. Choose the best combination of drilling tools according to the type of strata crossing. In the rock construction process, for the high strength o...
  • 22
    09
    2020
    Structural Features of Oil Drill Bit
    Oil drill bit is an important tool for oil drilling. It is used to drill oil when extracting oil. Its performance will directly affect drilling quality, drilling efficiency and drilling cost.Structura...
  • 15
    09
    2020
    Influence of Bit Pressure on Drilling
    Bit pressure is a necessary condition for rock breaking at the bottom of the well. The size of the bit pressure determines the method and characteristics of rock breaking, which will directly affect t...
  • 08
    09
    2020
    Effect of Rotational Speed on Drilling
    Rotation speed indicates how fast a drill bit with a certain diameter rotates, and is the target used to measure the reversal speed during the drilling process. When drilling, the rock breaking condit...
  • 01
    09
    2020
    Influence of Different Stratum Lithology on Drill Bit Failure
    The influence of stratum lithology on drill bit failure is reflected in drilling skills: It affects the drilling speed and drilling footage. The drilling process presents complicated situations such a...
  • 19
    08
    2020
    Drill Bit Tools: from Manufacturing to Creation
    Chinese drill tools are aggressive, constantly pioneering and innovating, and have realized the role change from manufacturing to creation. China's drill bit tool industry is developed, but more o...
  • 09
    08
    2020
    Rock Reamer Operational Control Points
    The main parameters of rock reamer operation control are the thrust force exerted by the drill on the reamer (force in reverse reaming and thrust in forward reaming) or the bit pressure, rotating spee...
  • 06
    08
    2020
    How to Select the Reamers
    It is the main way to improve the construction efficiency to select suitable reamer according to the characteristics of stratum.In order to adapt to different strata, the structure forms of reamer are...
  • 03
    08
    2020
    How does a Horizontal Directional Drilling Work?
    The reaming design includes reaming classification, reaming type selection, reaming drilling assembly, cleaning drilling assembly, bit pressure, torque, speed and mud flow rate, etc.The classification...
  • 05
    06
    2020
    The Application Field and the Drilling Technology of the Roller Cone Bit
    The roller cone bit break rock by crushing and shearing. The cone is rolling at the bottom of the well, so the require for the torque is small, which can greatly reduce the mechanical load.
  • 02
    06
    2020
    The Features and the Advantages of Pdc Bits That Can Core While Drilling
    The design concept of the core-while-drilling bit is to remove 1-2 teeth in the center of the normal PDC bit.
  • 30
    05
    2020
    The Optimization and the Engineering Application of the Reamer in HDD Construction
    Horizontal Directional Drilling(HDD for short) is a modern trenchless construction technology that combines the directional drilling technology of the petroleum industry with the traditional highway p...
  • 27
    05
    2020
    Bit Selection in Oil Drilling
    In the process of drilling, drill bit is the main tool to break rock, and borehole is formed by a drill bit breaking rock.
  • 17
    04
    2020
    Comparative Analysis of Roller Bit and PDC Bit
    Drilling work is a complex and diversified system engineering.