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Cangzhou Great Drill Bits Co.,Ltd.
Cangzhou Great Drill Bits Co.,Ltd.
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Horizontal Directional Drilling

Rock reamers & Hole openers

Horizontal Directional Drilling

Horizontal Directional Drilling (HDD) is not excavation surface conditions, the laying of a variety of underground utilities (pipes, cables, etc.) of a drilling way, it is widely used in water supply, electricity, telecommunications, gas, gas, oil and other pipeline construction, it is suitable for sand, clay, pebbles and etc. GREAT can choose different models according to different formation of pipeline construction.

Horizontal Directional Drilling(HDD) process & How it works 

1: Pilot hole drilling ( so it is important to choosing a good quality PDC bit or tricone bit ,it is also named Pilot bit).

2: Reaming : mainly use hole opener(Rock reamer) for hard rock formation.

3: Pipe pull back : The pipe installation is the final steps in HDD .


Recent Products
  • PDC Hole Opener

    PDC Hole Opener

    PDC Hole Openers, are used to enlarge the pilot hole in Horizontal Directional Drilling(HDD).Widely used in construction, bridge, highway and railway construction.
  • Matrix Body PDC Bit GM1605T

    Matrix Body PDC Bit GM1605T

    Matrix body PDC bit is made by Tungsten carbide podwer , it is very high hardness material , mainly used for deep Oil&Gas well drilling.
  • TCI Bit

    TCI Bit

    Tricone bit is an important tool for oil drilling.