About us
We provide services like Surface well testing, drill stem testing, wire line logging, coil tubing, tubing conveyed perforation, completion tools, gas lifting tools, slick line, pvt sampling, mud logging etc
- Website
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http://www.cnpc.com.cn/
External link for Great Wall Drilling Company
- Industry
- Oil and Gas
- Company size
- 5,001-10,000 employees
- Type
- Public Company