Record of ultra deep cementing depth
Ultra high temperature record
Description and Primary Function: According to different density, HW-1S is divid...
Description and Primary Function: ELP-1S is a kind of gray black powder which di...
Description and Primary Function: DS-40S is a kind of white powder. It can impro...
We have received unanimous praise from multiple drilling companies in China, as well as internationally renowned enterprises such as Shell, Korean Petroleum, Malaysian Petroleum, and Russian Gas.View Details
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