The application of screw drill tool and screw pump

screw drill, screw drill tool and screw pump, screw drill tool and screw water pump applications

the application of screw drill tool and screw pump is different. Above ground installation of screw water pump is generally used in the factory, such as processing plants and oil chemical plant, paper mills, utilities and the wastewater treatment plants and so on. Compared with downhole screw drilling tools, they require little space. G type of single screw pump manufacturers to provide a complete set of pump device, usually mounted on a base plate and connected to a motor or other drives. User or contract the contractor to the pipeline and the power, so pump can work. However, for downhole screw drill tool ( DHMs) , and the power part is mainly provided by a subsidiary, And screw pump manufacturers are usually the same manufacturer, the subsidiary factory, and know how to make dynamic part & ndash; To cut the rubber casting liu stator and rotor tube) 。 Such subsidiary usually provides the power section for downhole screw drilling tools, in order to connect to other parts of the downhole screw drilling tools, these manufacturers in the thread of the stator pipe processing required. And then to sell these downhole screw drilling tools ( Or more is the lease) To the drilling company, the company has its own drilling equipment, drilling drilling contract execution oil company. As well as downhole screw drilling tools. According to the consumer request, downhole screw pump order connection according to the rules. The rotor/stator section, which are driven by a long axis ( Import part) Or submersible motor drive. Unit to provide power section ( Is actually the entire pump swabbing part) Is without thread, followed by the completion of work by & other; String & throughout; Manufacturers to complete. This business is oil workers leek part of years of tradition, history and culture. Screw pump has a lower & other; Thread than & throughout; , such as 1:2 ( In the single screw rotor on the stator double thread) , introduces the design of 2:3 thread than recently. Downhole screw drill tool structure is usually more threads, thread than top 9:10. Because the drilling geometry size and space limit, need to drive to shorten as much as possible ( Which reduced series) And each level has larger pressure drop ( Per unit length will focus more on the force and torque) 。 Although there are a lot of limitations and shortcomings, many thread is designed to meet the technical requirements.

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