Tubing centralizer is a protective device for downhole equipment such as logging cable, submersible cable, liquid control line and capillary steel pipe. It plays a key role in protecting cable from damage in the process of taking off and extending the repair exemption period of electric pump well. The product has the design of cable protection and multi-channel reinjection pipeline, which can meet three kinds of well protection under pipe line at the same time.
The upper and lower ends of the tubing centralizer adopt trapezoidal, toothed and streamlined design to reduce the deposition of solid particles, which does not affect the flow area of gas in the oil jacket annulus, and has a certain ability to prevent sand and coal powder. The whole use of rubber, metal mesh material, not only damping and will righting the oil pipe can effectively protect the cable.