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The downhole environment is much harsher and more complex than the surface environment, such as high temperature, high pressure, high corrosiveness, etc. Due to the structure and function of the downhole tools, they need to work for a long time in the well, so they must have good sealing ability. Traditional single seals have limitations in such a complex environment, while combination seals can s...
Main performance The section of Y-ring seal is Y-shaped, which is a typical lip seal. It can be divided into wide type, narrow type and Y type according to the different proportion of height and width of the section. According to whether the two lips are equal in height, they can be divided into Yx seal rings with equal height lips for shafts and holes, Y seal rings for rods and holes with unequal...
Hi There Before we discuss why does PTFE material play an important role in the sealing industry? Let me introduce you what is seals. Seals are used to prevent fluid or solid particles from leaking between adjacent bonding surfaces and the intrusion of external magazines such as dust, sediment, moisture and so on. It’s widely used in National defense, Chemical, oilfield, hydraulic, mining, Transpo...
Centralizer fin is a necessary tool for downhole oil production and plays a very important role in the field of oil drilling and production. The oilfield centralizer fin is mainly used to centralize the tubing in oil-water deviated wells to prevent the abrasion of tubing and casing wall caused by tubing creep during oil pumping and the cleaning of casing inner wall. Due to the complexity of well c...
Packer is one of the most common and essential tools in the process of oil recovery, water shutoff and water injection. It is used throughout the whole process of oil and gas exploration and development, especially in the well completion. The main part of the packer is the packer element, which is made of rubber with good elasticity. It is set in the annular space of casing and tubing by means of ...
If the sealing system on your equipment fails prematurely or cannot work normally, you may immediately check the following points: Whether the seal is defective; Whether the sealing material can not withstand the temperature or pressure requirements of the application; Whether the size is appropriate or the extrusion level is verified; However, the inspection of mating metal components is easy to ...
Working Principle and Characteristics of Piston Pump in High Pressure Washer The piston pump moves forward and backward through a fixed seal. The piston pump relies on the reciprocating motion of the piston to make the working volume of the pump chamber change periodically, so as to realize the suction and discharge of liquid. The plunger pump seal is installed on the plunger through a smooth cyli...
T-seals were originally developed to retain the advantages of O-rings in dynamic fluid power applications while addressing two of their most serious reliability problems: (1) squeeze through the gap between static and dynamic surfaces, and (2) Instability in the groove, which leads to failure of the helix or twist. T-seals eliminate both of these problems while retaining the space-saving propertie...
BOP seal, also known as Blowout Preventers Seals, is generally used for large special valves or mechanical devices to seal, control and monitor oil and gas wells to prevent blowout and rig safety. Because there are many uncertain factors in the formation and they are very complex, each drilling operation has the possibility of blowout, which puts forward higher requirements for well control techno...
The convertible rotary seal has a housing for receiving the polishing rod. A mandrel is rotatably mounted in the seal housing and surrounds the polish rod. A wear sleeve surrounding the mandrel engages a primary seal. A secondary seal engages the mandrel and polish rod and rotates therewith but may be converted for use as a static seal if necessary. A locking mechanism selectively secures the mand...
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