Bestlink Slide Block Overburden Drilling Casing System
China Bestlink Slide Block Overburden Drilling Casing System, Find details about China Drill, Drill Bits from Bestlink Slide Block Overburden Drilling Casing System
Basic Info.
Model NO.
COP / DHD /QL
MOQ
1 PCS
Application
Water Well, Geothermal Well etc
Trademark
BESTLINK
Transport Package
Wooden Package
Specification
steel
Origin
China
HS Code
82071990
Model NO.
COP / DHD /QL
MOQ
1 PCS
Application
Water Well, Geothermal Well etc
Trademark
BESTLINK
Transport Package
Wooden Package
Specification
steel
Origin
China
HS Code
82071990
Product Desciption
Bestlink Slide Block Overburden Drilling Casing System
Application Range
It is recommended to drill in rock formation where contains some ovals and fractures.
Design Principles
Make the casing follow easy and the equipment and operation simple
Outstanding Advantages
1.The stable and reliable working performance and the less vibration of drill rig.
2.Flexible to open and close.
Operation Procedure
1.when the drilling starts, the blocks slides down through the grooves on pilot bit,and reams to drive the casing shoes and tubes into the hole.
2.When finished the drilling in overburden rock formations, raise the drilling tools and the blocks will get closed through the grooves , and the drilling tools can be pulled out from the hole.
3. Next construction can be followed.
Material:
Steel: first class special alloy steel with high strength, heat resistance and wearable
Carbide: The best tungsten carbides from China are commonly applied.
Tungsten carbide from European is also available.
Package for casing system:
Application Range
It is recommended to drill in rock formation where contains some ovals and fractures.
Design Principles
Make the casing follow easy and the equipment and operation simple
Outstanding Advantages
1.The stable and reliable working performance and the less vibration of drill rig.
2.Flexible to open and close.
Operation Procedure
1.when the drilling starts, the blocks slides down through the grooves on pilot bit,and reams to drive the casing shoes and tubes into the hole.
2.When finished the drilling in overburden rock formations, raise the drilling tools and the blocks will get closed through the grooves , and the drilling tools can be pulled out from the hole.
3. Next construction can be followed.
Material:
Steel: first class special alloy steel with high strength, heat resistance and wearable
Carbide: The best tungsten carbides from China are commonly applied.
Tungsten carbide from European is also available.
| Model | Outer Dia. of Casing Tube(mm) | Inner Dia. of Casing Tube(mm) | Wall thickness of casing(mm) | Reamed Dia.(mm) | Min. Inner Dia.of Casing Shoe(mm) | Hammer Type(mm) | Drill Pipes(mm) |
| 140 | 168 | 148 | 10 | 180 | 138 | COP44/DHD340/MACH44/MISSION40/ SD4/XL4/QL40 | 76/89 |
| 146 | 178 | 158 | 10 | 192 | 148 | COP54/DHD350/MACH50/MISSION50/ SD5/QL50 | 76/89 |
| 165 | 194 | 173 | 10.5 | 205 | 161.5 | COP62/COP64/DHD360/MISSION60/SD6/XL6/QL60/TD150 | 89/114 |
| 190 | 219 | 197 | 11 | 238 | 187 | 89/114 | |
| 240 | 273 | 253 | 10 | 305 | 241 | COP84/DHD380/SD8/QL80 | 114/127 |
| 280 | 325 | 305 | 10 | 350 | 282 | DHD112/QL120/SD12/NUMA120/TH12 | 114/127 |
| 365 | 406 | 382 | 12 | 425 | 365 | 127/168 | |
| 410 | 457 | 433 | 12 | 480 | 409 | 168 | |
| 460 | 508 | 483 | 12.5 | 530 | 459 | 168 | |
| 500 | 560 | 535 | 12.5 | 620 | 501 | 168 |
Package for casing system:
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