FIELD: oil production industry, well heads and setting-up thereof.
SUBSTANCE: flow head equipment comprises the first row pipe holder provided with two channels and the second row pipe holder having upper and lower threads. One of upper and low channels has upper and lower threads. The first row pipe holder is made as disc with orifices to be fastened to well head. The second row pipe holder is formed as hollow bush and may be directly secured inside the second channel of the first row pipe holder in air-tight manner.
EFFECT: increased reliability and decreased costs.
3 cl, 1 dwg
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