With the analysis among 589 patents, we discovered top 242 key players by total patent application. PetroChina Co., Ltd., China Petroleum & Chemical Corp., China National Petroleum Corp. are dominant in this area. They take 17.66% of the total patent filing.
Beijing Shi, China
Patent: 38
Beijing Shi, China
Patent: 33
Beijing Shi, China
Patent: 33
North Carolina, United States
Patent: 18
Sichuan Sheng, China
Patent: 15
Illinois, United States
Patent: 13
Beijing Shi, China
Patent: 12
Beijing Shi, China
Patent: 9
Washington, United States
Patent: 9
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With the analysis among related 198 patents applied in the last 5 years. We discover 93 most active companies in this area. The fast-growing China National Petroleum Corp., China Petroleum & Chemical Corp., PetroChina Co., Ltd. take 27.78% of patent filing during this period.
Beijing Shi, China
Patent: 26
Beijing Shi, China
Patent: 15
Beijing Shi, China
Patent: 14
Sichuan Sheng, China
Patent: 13
Sichuan Sheng, China
Patent: 12
Beijing Shi, China
Patent: 11
Beijing Shi, China
Patent: 9
Beijing Shi, China
Patent: 7
Tianjin Shi, China
Patent: 5
With the analysis among related 198 patents in last 5 years, we discover 71 new entrants. Automated Rig Technologies Ltd., CNOOC Energy Technology & Services Ltd., Sun Energy Services LLC are the most active new entrants in this area.
Beijing Shi, China
Patent: 9
Pennsylvania, United States
Patent: 5
Delaware, United States
Patent: 4
Shaanxi Sheng, China
Patent: 4
Consolidated Rig Works LP
Texas, United States
Patent: 3
Jiangsu Sheng, China
Patent: 3
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Patent: 2
BRISTOL, United Kingdom
Patent: 2
Beijing Shi, China
Patent: 2
With the analysis among 68 patents, we discovered top 10 universities and scientific research institutions by total patent application. Southwest Petroleum University, China University of Petroleum (East China), Texas A&M University are dominant in this area. They take 57.35% of the total patent filing.
Sichuan Sheng, China
Patent: 13
Shandong Sheng, China
Patent: 7
Texas, United States
Patent: 4
Heilongjiang Sheng, China
Patent: 2
Hubei Sheng, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Chongqing Shi, China
Patent: 1
Hebei Sheng, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1