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| Categories | Water Well Drilling Rig Machine |
|---|---|
| Brand Name: | JINZHOU SHITAN |
| Model Number: | Gy 200 |
| Certification: | ISO9001 |
| Place of Origin: | China |
| MOQ: | 1 set |
| Price: | Negotiation |
| Payment Terms: | T/T, Western Union |
| Supply Ability: | 20000 sets per year |
| Delivery Time: | 7-12 days |
| Packaging Details: | Standard Export Package |
| Product Name: | GY 200 Water Well Drilling Machine |
| Type: | Core Drilling Rig,water well drilling ,exploration |
| Power Type: | Diesel |
| Voltage: | 380V |
| Power(W): | 16.2kw |
| Dimension(L*W*H): | 1730*860*1360mm |
| Drilling Depth: | 300m |
| Drilling Diameter: | 75-200mm |
| Engine: | Diesel Power |
| OEM: | acceptable |
| Company Info. |
| Jinzhou City Shitan Machinery Equipment CO. LTD. |
| Verified Supplier |
| View Contact Details |
| Product List |
300 Meters Deep Underground Wheels Mounted Water Well Drilling Rig Machine
GY 200 Water Well Drilling Machine Introduction:
300 meters ,hole diameter 300 mm , is suited for the geotectonic survey, geological core drilling, small hole drillings for grout, blast and water well in railway, water coservancy, bridge, dam foundation and other constructions. Diamond drill vit, alloy drill bit and steel roller drill bit are available for drilling according to different geological structures.
GY 200 Water Well Drilling Technical Details:
| Drilling depth | 60-295m |
| Drilling diameter | 300mm 76 46mm |
| Drill pipe diameter | 50 42mm |
| Spindle Turnable Angle | 0-360degree |
| Net weight(excluding the power machine) | 670kg |
| Dimension(length*width*height) | 1820*980*1400mm |
| Revolving Plate | |
| Spindle speed | 900 475 388 205 157 68 r/min |
| Maximum torque | 2000N*m |
| Driving travel | 400mm |
| Maximum Cylinder driving force | 2,9000N |
| Maximum Cylinder lifting force | 3,9000N |
| Lifter | |
| Lifting capacity | 3,0000N |
| Bobbin line speed (2 layers) | 0.27 0.64 0.83 1.58 1.64 m/s |
| Bobbin diameter | 135mm |
GY 200 Water Well Drilling Technical Features
Drilling rig is mainly used for geological general investigation and exploration,road and tall buliding foundation exploration,kinds of hole in concrete structure,river levees,subgrade grouting hole,drilling and driect grouting,civil wellsand earth temperature central air-conditioner,etc
is mainly used for geological general investigation and exploration,kinds of hole in concrete structure,road and tall building foundation exploration,river levees,subgrade grouting hole drilling and direct grouting,civil wells and earth temperature central air conditioner,etc
Drilling consists of sinking a drill string into the ground while injecting a special mud. This allows fragments of rock and samples of gas to be brought back to the surface. Boreholes have to be drilled at several locations to delineate the potential deposit.
Prevention of drilling hole collapse
The preventive measures for hole collapse should first meet two conditions: mud liquid column pressure = technological pore pressure; Minimize water infiltration into the rock and soil or water seepage around the hole wall.
Preventive measures for hole collapse caused by geological factors include:
(1) Increase the mud density and increase the mud liquid column pressure to balance the formation pressure;
(2) Use a larger ratio of mud to plastic to protect the hole.
Preventive measures for hole collapse caused by physical factors include:
(1) Start the pump too fast and keep the drill pipe working under constant tension as far as possible to avoid the sudden increase of liquid column pressure and the violent impact of drilling tools on the hole wall;
(2) According to the distribution of underground obstacles, the drilling track design and reaming procedure shall be well done to avoid the rotary extrusion of the drilling tool on the hole wall caused by the excessive curvature of the guide hole;
(3) Reasonably control the mud density and rheological properties, make the mud have a certain liquid column pressure, and maintain the low return velocity of the mud,
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