Xi’an Chancemate Petroleum Mechanical Co.,Ltd

circulating sub

Product Name:

circulating sub

No. :

Product Description

circulating sub

Product pictures of circulating sub

Circulating sub is a special tool for circulating drilling fluid when setting casing midway or finished. Including casing thread circulating sub and union thread circulating sub.

Specifications of circulating sub

Specification of circulating sub

drilling pipe box thread	casing thread	borehole	length(mm)
NC38	5″BTC	57	500
	5″LTC
	5″STC
NC38	5″BTC	57	580
	5-1/2″LTC
	5-1/2″STC
NC50	7″BTC	71	600
	7″LTC
	7″STC
NC50	9-5/8″BTC	71	620
	9-5/8″LTC
	9-5/8″STC
NC50	10-3/4″BTC	71	670
	10-3/4″LTC
	10-3/4″STC
NC50	13-3/8″BTC	71	670
	13-3/8″LTC
	13-3/8″STC

Now we have the circulating sub in stock, send your requests to my email: sales@chancematedrilling.com , Me- Mr Mike will be here to give you the best service 24 hours online.