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Circulating Sub

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Circulating Sub

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Category： Drilling tool(Sub)

Key words：Drilling tool(Sub)Circulating Sub

Service Hotline：+86-513-87635480

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1000

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Product description

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The circulating sub is a specialized tool for circulating drilling fluid when running in casing on the way or finishing running casing downhole.According to actual needs.there are circulating sub with casing thread and circulating sub with union thread.

Technical specifications and parameters:

Type	I.D (mm)	Thread		Overall Length (mm)	Type	I.D (mm)	Thread		Overall Length (mm)
		Drill pipe Box	Casing thread (in)				Drill pipe Box	Casing thread (in)
XJD88.9*139.7	57	NC38	5 1/2	580	XJD114.3*244.5	71	NC50	95/8	620
XJD114.3*139.7	71	NC50	5 1/2	580	XJD114.3*273.0	71	NC50	103/4	670
XJD114.3*177.8	71	NC50	7	600	XJD114.3*339.7	71	NC50	133/8	670
XJD114.3*193.7	71	NC50	7 5/8	600	XJD114.3*508	71	NC50	20	675
XJD114.3*219.1	71	NC50	8 5/8	600