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Tianjin Wanlei Steel Pipe Co.,Ltd
TEL: 86-22-65815991
FAX: 86-22-25343802
CELL: 86-18526839451, 86-18526839452
EMAIL: admin@wanleipipe.com
WEBSITE: www.seamlesscarbonsteelpipe.com
ADD: Room 403, Unit 1, Building 31, Polar Square, Central Business District, Binhai New Area, Tianjin, China (Mainland)
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Downhole Drilling Motors
WANLEI provides downhole motors of vertical, single-bend, double-bend and adjustable motors. The hear-resistance temperature ranges are ≤120℃,120-150℃ and 150-180℃. The oil-based mud resistance and saturated saltwater mud resistance motors.
Description
DOWNHOLE DRILLING MOTORS
WANLEI supplies various sizes of downhole motors for hole size from 1 7/8” to 26”. Popular size are 1 11/16”, 2 1/8”,2 3/8”,2 7/8”,3 1/8”,3 1/2”,3 3/4”,4”,4 3/4”,5”,5 5/16”,5 7/8”,6 1/4”,6 1/2”,6 3/4”,7”,7 1/4”,7 3/4”,8”,8 1/2”,9”, 9 5/8”and 11 1/4”.
UNIFORM THICKNESS DOWNHOLE MOTOR
Uniform Thickness downhole motor has thin and even stator elastomer layer;
The length are shorter than conventional ones;
High power and pressure drop, low rotate speed, high cooling efficiency and even thermal expansion;
Optimized structure gives lighter mass, longer life;
Improved drilling efficiency in the ultra-deep well, directional well and high temperature well.
Outer diameter | Head qty | class | Displacement | Rotating speed | Working pressure drop | Output torque | Maximum pressure drop | Maximum torque | Output Power |
mm | lpm | rpm | MPa | N.m | MPa | N.m | kw | ||
in | gpm | psi | lb-ft | psi | lb-ft | hp | |||
73 2 7/8 | 5:6 | 4 | 176-616 76-162 | 167-589 | 3.36 489 | 445 327 | 4.746 691 | 628 463 | 34. 46 |
120 4 3/4 | 5:6 | 3.3 | 380-1040 100-275 | 105-295 | 3.17 460 | 1510 1110 | 4.48 650 | 2010 1480 | 52 70 |
120 4 3/4 | 5:6 | 4 | 380-1040 100-275 | 105-295 | 4 585 | 1910 1410 | 5.65 824 | 2688 1982 | 74 100 |
120 4 3/4 | 5:6 | 4.5 | 380-1040 100-275 | 105-295 | 4.5 658 | 2140 1578 | 6.356 927 | 3025 2230 | 84 112 |
120 4 3/4 | 5:6 | 4.5 | 694-1388 184-367 | 140-278 | 4.4 647 | 2795 2061 | 6.215 900 | 3948 2912 | 103 138 |
127 5 | 7:8 | 5 | 745-1489 196-393 | 130-261 | 5.5 798 | 4241 3131 | 7.75 1123 | 5618 4148 | 128 172 |
172. 6 3/4 | 5:6 | 5 | 947-1894 250-500 | 92-184 | 5.5 808 | 7148 5272 | 7.769 1125 | 10099 7449 | 140 187 |
172. 6 3/4 | 5:6 | 4 | 947-1894 250-500 | 92-184 | 4.4 647 | 5719 4218 | 6.215 900 | 8079 5959 | 140 187 |
172. 6 3/4 | 7:8 | 5 | 1183-2366 312-625 | 84-168 | 5.5 809 | 9866 7276 | 7.75 1139 | 13905 10253 | 220 295 |
203 8 | 7:8 | 4 | 1530-3060 404-808 | 75-151 | 4.4 638 | 11345 8375 | 5.65 819 | 14567 10753 | 207 278 |
244 95/8 | 7:8 | 4.5 | 2270-4540 600-1200 | 68-135 | 4.95 727 | 21530 15878 | 6.975 1025 | 30330 22373 | 385 517 |
ROP ENHANCEMENT TOOL
Hydraulic Impact Downhole Motor
Hydraulic Impact Downhole Motor creates axial oscillation using hydraulic energy while drilling to reduce the static friction between wellbore and drill string, thus the ROP can be increased dramatically. Such reduction of static friction produce for reducing weight stacking.
Hydraulic Impact Downhole Motor consists of two parts: the motor section (bottom) and the oscillation sub (top). The oscillation sub is key part for the Hydraulic Impact Downhole Motor. It converts the hydraulic power to a static frequency of pressure pulses which travel up and down the motor section. As the pressure pulse into the oscillation sub, they push on the piston, causing the oscillation sub to stroke open. When the pulse passes, the spring within oscillation sub bring it back to its original position. The repeating movements creates static oscillating effect which spreads out through drill string, reducing friction both up-hole and down- hole.
Benefits
To enhance ROP especially in sliding mode
To protect motor and drill bit
To better control tool face
To reduce the risk of pipe stuck
No interference to MWD signal
Optimized piston assembly design to decrease the pressure drop
Hydraulic Impact Downhole Motor (part of models )
Proven Applications
Directional drilling
Well intervention
Rotary Shock Downhole Motor
The rotary sub (bottom) relies on drilling fluid hydraulic energy while drilling to generate its internal hydraulic rotary hammer to create circumferential reciprocating vibration and directly act on the drill tool to reduce stick-slip and increase the effective impact load of the drill bit. This tool increases penetration speed with ROP efficiency.
Rotary Shock Downhole Motor
The rotary sub has a simple structure, in which the reversing spool continuously supply power to the hydraulic hammer through dynamic alternates action between the high pressure zone (blue area) and the low pressure zone (red area) to generate circumferential torque oscillations and transmits it to the drilling tool through the central spindle.
Simple structure, few moving parts
Performance and parameters can be adjusted according to customer requirement
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