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+86-15653131369The advantages of screw drilling
Screw drilling tool is a kind of positive displacement bottom-hole power drilling tool, which converts the hydraulic energy of drilling circulation washing medium into the mechanical energy of rotating bit crushing rock. It is widely used in the drilling construction of vertical, directional, horizontal and secondary Wells.
The screw drill is mainly divided into two types according to the nature of the rock stratum it encounters
High torque and high speed screw drilling tool, suitable for rock drilling
Conventional torque high speed screw drill is suitable for coal seam drilling.
structure
It is composed of motor assembly, cardan shaft assembly, bending pipe drive shaft assembly and other parts
Scope of application
Directional drilling in coal mine
characteristic
Corrosion resistance, high torque, high speed, low pressure drop, low starting pressure, long life
specification
Φ73/89, bending Angle 1.25°, 1.5 °, especially flat or three helix structure
Technical parameter
鉆具型號 | 頭數(shù) | 級數(shù) | 排量 | 轉(zhuǎn)速 | 工作 壓力降 | 輸出扭矩 | 最大 壓力降 | 最大扭矩 | 最大 輸出功率 | 全長 |
lpm | rpm | Mpa | N.m | Mpa | N.m | kw | mm | |||
gpm | pai | lb-ft | pai | lb-ft | hp | |||||
無磁4LZ73×7.0 L- 3- 480 | 3:4 | 3 | 113- 303 30- 80 | 154- 410 | 2.4 350 | 225 166 | 3.39 495 | 319 235 | 13 17 | 2795 |
無磁5LZ73×7.0 L- 3- 600 | 5:6 | 3 | 180- 360 48- 95 | 190- 360 | 2.3 333 | 325 240 | 3.6 522 | 500 369 | 18 25 | 3056 |
等壁厚U5LZ73×7.0 L- 3- 600 | 5:6 | 3 | 180- 360 48- 95 | 155- 310 | 3.36 487 | 540 398 | 4.65 675 | 702 518 | 23 31 | 3270 |
無磁C7LZ73×7.0 L- 4- 600 | 7:8 | 4 | 180- 360 48- 95 | 135- 270 | 3.2 466 | 550 407 | 4.5 652 | 736 543 | 20 27 | 3600 |
無磁7LZ73×7.0 L- 4- 400 | 7:8 | 4 | 140- 419 37- 111 | 138- 413 | 3.2 466 | 415 306 | 4.52 655 | 584 430 | 24 32 | 3056 |
無磁5LZ89×7.0 L- 3- 600 | 5:6 | 3 | 324- 648 85- 171 | 193- 385 | 2.4 350 | 540 425 | 3.39 495 | 730 538 | 26 35 | 3578 |
等壁厚U7LZ89×7.0 L- 3- 720 | 7:8 | 3 | 360- 730 95- 193 | 150- 300 | 3.39 495 | 1120 826 | 4.65 675 | 1500 1106 | 46 60 | 3860 |
常規(guī)5LZ89×7.0 L- 3- 600高性能 | 5:6 | 3 | 255- 766 67- 202 | 108- 325 | 2.4 348 | 810 598 | 3.4 493 | 1148 848 | 39 52 | 3600 |
常規(guī)5LZ89×7.0 L- 4- 600高性能 | 5:6 | 4 | 255- 766 67- 202 | 108- 325 | 3.2 466 | 1080 800 | 4.52 655 | 1526 1126 | 47 63 | 4170 |
