E-MAIL: irislea@sj-drilling.com;irislea@163.com
ARROW TYPE CHECK VALVE
SHUANGJIA Arrow
type check valve (drill check valve) is a kind of important inside blowout
tool, usually used in the oil and gas drilling and workover. It works with the
drilling tool into the well, in the process of drilling and workover in case of
overflow, kick, or positive cycle to stop, the arrow type check valve will shut
down rapidly under the action of reverse circulation pressure inside drill
tools and spring force, cutting the channel within drilling tools, thus play a
blowout purpose within drill tools.
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
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
Tel:0086-453-6293088
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