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Mud Pump, often referred to in its abbreviated form, embodies a comprehensive term for a multitude of pump types, which can vary significantly across various regions and practices. Here, we present a concise introduction to mud pumps, primarily emphasizing the type predominantly utilized in oil drilling:
Mud pumps are highly efficient mechanical devices engineered to channel mud, water, or other essential flushing fluids into boreholes during rigorous drilling operations. These pumps are a vital component of the sophisticated assemblage of drilling machinery and equipment.
The quintessential function of mud pumps in the intricate drilling process is to inject high-pressure mud into the wellbore alongside the drill bit. This mud fulfills several crucial roles:
In standard positive-cycle drilling operations, mud pumps adeptly deliver flushing media, such as water, mud, or polymer flushing fluid, under calculated pressure. These fluids navigate through high-pressure hoses, taps, and the central channel of the drill string, reaching the drill bit's base. This intricate process achieves the dual objectives of cooling the drill bit and transporting drill cuttings to the surface for disposal.
Typically, the mud pumps employed are of the piston or plunger variety. Propelled by a decisive motive force, the pump's crankshaft rotates, driving the crosshead which in turn compels the piston or plunger to reciprocate within the pump cylinder. This synchronized movement of the suction and discharge valves ensures the efficient delivery and recycling of the flushing fluids.
In summation, mud pumps are indispensable to the efficiency and safety of drilling operations. Their capacity to deliver flushing fluids under pressure is pivotal, enabling these pumps to play a vital role in cooling, cleaning, stabilizing, and advancing the drilling process.
| Type | Horizontal triplex single-acting piston pump | Gear type | mandibular tooth | |
| Rated Input Power(kW/hp) | 1193/1600 | Gear ratio | 4.206:1 | |
| Rated strokes (strokes/minute) | 120 | Oily | Forced , splash | |
| Stroke length(mm/in) | 305/12'' | Valve cavity | API-7# | |
| Suction port connection size | 12''(305mm) | Discharge outlet connection size | 5'' | |
| Mainframe weight (kg) | 24791 | Overall Dimension(L×W×H) | 4615×3276×2688mm | |
| Pump speed (strokes/min) | Rated Power(HP) | Cylinder Liner Diameter (in) and Rated Pressure (Mpa)/(psi) | |||||
| 7 | 2006/3/4 | 2006/1/4 | 6 | 2005/1/2 | 5 | ||
| 24.19 | 25.46 | 29.66 | 32.16 | 34.5 | 35 | ||
| 3508 | 3692 | 4300 | 4663 | 5000 | 5075 | ||
| engine displacement (L/S)/(g pm) | |||||||
| 120 | 1600 | 45.41 | 42.23 | 36.2 | 33.36 | 28.04 | 23.17 |
| 720 | 669 | 574 | 529 | 444 | 367 | ||
| 110 | 1467 | 41.63 | 38.71 | 33.19 | 30.58 | 25.7 | 21.24 |
| 660 | 614 | 526 | 485 | 407 | 337 | ||
| 100 | 1333 | 37.84 | 35.19 | 30.17 | 27.8 | 23.36 | 19.31 |
| 600 | 558 | 478 | 441 | 370 | 306 | ||
| 90 | 1200 | 34.06 | 31.67 | 27.15 | 25.02 | 21.03 | 17.38 |
| 540 | 502 | 430 | 397 | 333 | 275 | ||
| 1 | 0.3784 | 0.3519 | 0.3017 | 0.278 | 0.2337 | 0.1931 | |
| 6 | 5.5778 | 4.7778 | 4.4111 | 3.7 | 3.0556 | ||
| Volumetric efficiency at 100%, mechanical efficiency at 90% | |||||||
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