CIRCULATING SUB(HEAD)

E-MAIL: irislea@sj-drilling.com;irislea@163.com

CIRUCULATING SUB(HEAD)

SHUANGJIA Circulating sub is installed in the top of drilling stem. The upper thread is connected with circulating system of casing, tubing, and union thread to circulate the drilling fluid. It divided into casing circulating sub, tubing circulating sub, union circulating sub and tee sub.

/SPECIFICATIONS：

HEILONGJIANG NORTH SHUANGJIA DRILLING TOOLS CO., LTD.

Iris lea

Sales Manager

International Marketing Dept.

Add: No.56, Xingye Road, Yangming District，Mudanjiang City, Heilongjiang P.R, China     
E-mail:irislea@163.com；irislea@sj-drilling.com
Website: http://www.sj-drilling.com

Skype:irislea-sj-drilling

Wechat:irislea

WhatsApp:13604531257
Tel:0086-453-6293088