Analysis of Anchor Drilling Rigs Patent Technology
[Purposes]This paper clarifies the classification system of the anchor drilling rig and analyzes the current high-frequency core patent evolution route based on the system,in order to obtain the techni-cal development route under the system.[Methods]In this paper,the patent databases of CNABS,CNTXT,DWPI,SIPOABS and ENTXT are used to analyze the relevant patents of Anchor Drilling rigs in recent years.[Findings]European and American countries have developed early in related fields and have a strong sense of patent layout.Companies in China,however,have made certain progress.[Conclu-sions]Chinese enterprises should improve the research and development of relavent technology and pat-ent layout as soon as possible.
NETL
NSTL
万方数据
