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The Mud Pump, often known simply as a mud pump, is a versatile term used to describe a range of pumps whose specific types may differ based on regional practices and applications. Here, we present a concise overview of mud pumps, with a primary focus on the variety prevalent in oil drilling operations:
Mud pumps are vital mechanical instruments crafted to efficiently deliver mud, water, or other flushing fluids into drilling holes throughout drilling operations. They form a cornerstone of the drilling machinery ensemble, integral to the successful execution of drilling tasks.
Mud pumps serve a central function in the drilling process by injecting mud into the wellbore alongside the drill bit. This mud performs multiple crucial roles:
In conventional positive-cycle drilling operations, mud pumps distribute flushing media-be it water, mud, or polymer fluids-at a specific pressure. These fluids travel through high-pressure hoses, taps, and the drill string's central hole to reach the bottom of the drill bit. This process skillfully combines the cooling of the drill bit with the effective removal and conveyance of drill cuttings to the surface.
Piston or plunger-type mud pumps are commonly employed. These pumps are powered by a driving force that rotates the pump's crankshaft, which in turn mobilizes the crosshead, causing the piston or plunger to move reciprocally within the pump cylinder. The alternating actions of the suction and discharge valves facilitate the distribution and recycling of the flushing fluids.
In essence, mud pumps are indispensable for ensuring both the efficiency and safety of drilling operations. Their capacity to deliver flushing fluids under pressure empowers them to play a crucial role in cooling, cleansing, stabilizing, and propelling 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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