Hollow stem water-mixed wellhead device
A technology of wellhead device and hollow rod, which is used in wellbore/well components, production fluids, earth-moving drilling, etc. The effect of long life, high pressure resistance and high temperature resistance
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[0008] Embodiments of the present invention will be described below in conjunction with the accompanying drawings.
[0009] The embodiment of the present invention consists of a pressure relief joint 1, a water-mixed tee 2, an upper clamp 3, an oil outlet tee 4, a lower clamp 5, a flange cover 6, bolts 7, a suspension sealing joint 8, and a wellhead cross 9 , polished rod 10, oil extraction pipe 11, Unicom joint 12, pressure isolation pump barrel 13, pressure isolation plunger 14, and sealing tube 15. Thread and connection water-mixed tee 2, water-mixed tee 2 and oil outlet tee 4 are connected by upper clamp 3, oil outlet tee 4 and flange cover 6 are connected by lower clamp 5, flange cover 6 and wellhead The cross 9 is connected by bolt 7, the upper thread of the pressure isolation pump barrel 13 is connected with the internal thread of the water-mixed tee 2, the suspension sealing joint 8 is suspended in the wellhead cross 9, the lower part of the suspension sealing joint 8 ...
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