High definition Down Hole Drill Pipe - Concentric Casing System With Ring Bit – Spark
High definition Down Hole Drill Pipe - Concentric Casing System With Ring Bit – Spark Detail:
Application
Applied to over burden formation with complex topographic and geological conditions, such as gravel, fissured formation, boulder, landfill of construction etc.
Specification
| D | h | H | C | G | ||||
| Specification | O. D. of Casing Tube (mm) | I.D. of Casing Tube(mm) | Wall thickness of casing (mm) | Max. O.D. of pilot bit (mm) | Ring Bit O.D. (mm) | Max. O.D. of Normal Bit (mm) | Hammer Type | Weight(kg) |
| TOP hammer type | ||||||||
| P76/7-39 | 76 | 62 | 7 | 57 | 88 | 39 | R32 | 3.2 |
| P89/8-58 | 89 | 73 | 8 | 70 | 100 | 58 | T38 | 5.8 |
| P114/9-84 | 114 | 94 | 10 | 92 | 126 | 84 | T45 | 7.5 |
| P127/10-93 | 127 | 107 | 10 | 105 | 142 | 93 | T45 | 10 |
| P140/10-97 | 140 | 120 | 10 | 116 | 161 | 97 | T45,T51 | 15 |
| DTH hammer type | ||||||||
| P114/9-84 | 114 | 94 | 10 | 94 | 126 | 84 | COP34/COP32/DHD3.5 | 12 |
| P127/10-93 | 127 | 107 | 10 | 105 | 142 | 93 | COP34/COP32/DHD3.5 | 16 |
| P140/10-97 | 140 | 120 | 10 | 116 | 161 | 97 | COP44/DHD340/M40/SD4/QL40 | 21 |
| P146/10-110 | 146 | 126 | 10 | 124 | 165 | 110 | 22 | |
| P168/12.7-127 | 168 | 142.6 | 12.7 | 141 | 188 | 127 | COP54/DHD350/M50/SD5/QL50 | 27 |
| P178/12.7-131 | 178 | 152.6 | 12.7 | 150 | 196 | 131 | 32.5 | |
| P194/12.7-145 | 194 | 168.6 | 12.7 | 166 | 214 | 145 | COP64/DHD360/M60/SD6/QL60 | 42.5 |
| P219/12.7-170 | 219 | 193.6 | 12.7 | 191 | 243 | 170 | 58 | |
| P245/12.7-195 | 245 | 219.6 | 12.7 | 214 | 268 | 195 | DHD380/COP84/SD8/QL80 | 78 |
| P254/12.7-203 | 254 | 228.6 | 12.7 | 224 | 276 | 203 | 84.5 | |
| P273/12.7-223 | 273 | 247.6 | 12.7 | 241 | 305 | 223 | 100 | |
| P325/12.7-276 | 325 | 299.6 | 12.7 | 292 | 350 | 276 | 135 | |
| P406/12.7-350 | 406 | 380.6 | 12.7 | 377 | 442 | 350 | DHD112/QL120/SD12/N120 | 280 |
| P508/12.7-416 | 508 | 482.6 | 12.7 | 478 | 545 | 416 | 522 | |
| P560/12.7-475 | 560 | 534.6 | 12.7 | 528 | 595 | 475 | NUMA180SD18/Numa180/TH18/TS18/TK18 | 620 |
| P610/12.7-513551 | 610 | 584.6 | 12.7 | 558 | 645 | 513 | NUMA180 | 710 |
Operation Schematic Figure
Step1: The drilling in over burden formation is finished.
Step2: Reverse rotation of the hammer and pull the pilot bit out from the hole.
Step3: Replace the pilot bit with normal bit to continue drilling down.
Product Details
Product detail pictures:
Related Product Guide:
It can be a great way to enhance our solutions and service. Our mission would be to build inventive products to consumers with a superior working experience for High definition Down Hole Drill Pipe - Concentric Casing System With Ring Bit – Spark , The product will supply to all over the world, such as: Ghana, Malaysia, Slovenia, Our products are widely recognized and trusted by users and can meet continuously changing of economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
By Andrew Forrest from Amsterdam - 2018.02.12 14:52
We have been engaged in this industry for many years, we appreciate the work attitude and production capacity of the company, this is a reputable and professional manufacturer.
By Claire from Jersey - 2017.12.19 11:10
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