Jiangsu Lianyungang H.H. Drill-Tech Drilling Machinery Co. Ltd. is a key drilling rig manufacturer and designer of geological drilling rig, engineering piling drilling rig and horizontal directional drilling rig (HDD), and other geological survey equipments in China.

Drilling Rig

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  • Core Drilling RigThis drilling rig is widely used in the fields of geology, metallurgy, coal and natural gas as well as underground water, etc. It is also referred as diamond coring rig in some place.
    The subclass production of core drilling rig includes spindle core drilling rig, full hydraulic rig and underground drilling rig.
    1. The core drilling rig enjoys large production capacity. ...
  • Engineering Drilling RigThis kind of drilling rig made in Huanghai Company is mainly used exploration of coal mine, metal, natural gas, coal bed methane, and so on. There is HYG-15A and GM-20A engineering drilling rig for choice, the former is full hydraulic type and the later one is with tower. Actual drilling capacity will depend on in-hold tools and conditions, drilling techniques and equipment used...
  • HDD Drill RigThe HDD drill rig is short for horizontal directional drilling rig, and the other name trenchless directional drilling rig. HDD Drill rig made in Huanghai Factory is an automotive travel drilling rig by means of rubber crawler. It is powered by hydraulic pressure. It is designed by advanced technology and has a simple and convenient structure. Besides, the drilling dig has a stable performance, high efficiency and low oil temperature...

Description of Diamond Core Rigs
Drilling rig is a machine to drill holes in the ground. It is also known as diamond core rig in general place. It is mainly used to the on-shore or off-shore oil well, water well or the exploration of natural gas. With concern to its structure, diamond core rig can be complicated and massive. It can also be light, small enough to be controlled only by one person. Drilling rig can be ported by mobile tools such as truck or trailer. Or it can be more permanent like the marine-based oil platform.  

According to different standards, the drilling rig can be divided into various categories. As for diamond core rig's power, there are mainly two types: electric and hydraulic drilling rig, of which the latter is the dominant trend. According to the method of rotation, it can be split into no-rotation, top drive and rotary table ones. Based on the position of derrick, there exist drilling rigs with vertical derrick and those with slant derrick at 45 degree angle. In addition, with concern to its drill type, drilling rig can be divided into the drill producing rock chips and the drill producing core sample.

All Drilling Rig at Huanghai in China
1. Spindle Core Drilling Rig
2. Engineering Exploration Drilling Rig
3. HDD Rig or Horizontal Directional Drilling Rig
4. Coal Bed Methane Drilling Rig (CBM Diamond Core Rig)
And also there are diamond core rigs for different applications, such as Tunneling, Piling, Soil Drilling, Rock Drilling, and Underground Drilling and so on.
Please refer to the related pages if needed.