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The term 'Mud Pump' refers to a versatile category of pumps utilized across various regions and practices with specific types differing by area. This introduction offers insights into mud pumps, focusing on the type predominantly employed in oil drilling operations:
Mud pumps are sophisticated mechanical devices meticulously crafted to deliver mud, water, or other flushing fluids into drilling holes amidst drilling operations. They are an indispensable part of the broader drilling machinery and equipment arsenal.
Mud pumps play an integral role in the drilling journey by injecting essential mud into the wellbore with the drill bit. This mud fulfills a multitude of critical functions:
In standard positive-cycle drilling operations, mud pumps deliver flushing media such as water, mud, or polymer flushing fluid under precise pressure. These fluids travel through high-pressure hoses, taps, and the drill string's center hole to the drill bit's base. This dual-action process accomplishes the vital tasks of cooling the drill bit and effectively transporting drill cuttings to the surface.
Mud pumps, typically of the piston or plunger variety, operate using a motive force. The pump's crankshaft rotates, propelling the crosshead and causing the piston or plunger to move reciprocally within the cylinder. The alternating action of suction and discharge valves facilitates the efficient delivery and recycling of flushing fluids.
In summary, mud pumps are indispensable for ensuring drilling operations' efficiency and safety. Their ability to deliver flushing fluids under pressure endows them with a pivotal 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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