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The term 'Mud Pump' denotes a broad category of pumps whose specific types and functions can vary significantly depending upon regional practices and applications. Below, we delve into an overview focusing on the mud pumps predominantly utilized within the oil drilling sector:
Mud pumps are integral mechanical devices meticulously engineered to channel mud, water, or alternative flushing fluids into boreholes during drilling operations. As a cornerstone of drilling machinery, these pumps facilitate optimal drilling performance and equipment longevity.
Mud pumps are vital in drilling due to their core function: the propulsion of mud into the wellbore in tandem with the drill bit. This mud is indispensable for several critical operations:
In conventional positive-cycle drilling, mud pumps propel flushing media-be it water, mud, or polymer fluid-under high pressure. These fluids journey through high-pressure hoses, taps, and the drill string's central aperture to the drill bit's base. This dual-action process cools the bit and expedites the removal and surface transportation of drill cuttings.
Typically employed mud pumps are of the piston or plunger variant. As the pump's crankshaft rotates, powered by a driving force, it activates the crosshead, prompting the piston or plunger to reciprocate within the cylinder. This reciprocation, paired with the suction and discharge valves' alternating actions, ensures efficient delivery and recycling of flushing fluids.
In conclusion, mud pumps are indispensable for enhancing the efficiency and safety of drilling operations. By delivering flushing fluids under pressure, they perform essential roles in cooling, cleaning, stabilizing, and furthering 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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