A deep sea heavy oil collection device
A collection device, deep-sea heavy oil technology, applied in the fields of fluid extraction, earthwork drilling, drill pipe, etc., can solve the problems of oil wells unable to maintain normal production, difficult to flow in low temperature areas, loss of fluidity, etc., to achieve the effect of improving viscosity reduction, Conducive to collection, ensuring efficiency and effect
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[0026] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0027] like figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Image 6 , Figure 7 , Figure 8 In the shown embodiment, a deep-sea heavy oil collection device includes a main oil pipe 1, a hollow sucker rod 2 with an open upper end, and an oil wellbore 4 extending below the seabed mud line 3. The oil wellbore is provided with There is a riser 5 with an inner cavity, the top of the riser protrudes from the sea surface 6, the wall of the oil wellbore and the pipe wall of the riser are sealed and connected, the main oil pipe passes through the inner cavity of the riser, and the lower end of the main oil pipe extends In the oil wellbore, the main oil pipe is provided with a screw pump 7, the upper end of the main working screw of the screw pump is connected with the lower end of the sucker rod, and the screw pump is located at the lo...
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