With the analysis among 262 patents, we discovered top 72 key players by total patent application. Halliburton Energy Services, Inc., Baker Hughes, Inc., Camco International are dominant in this area. They take 27.86% of the total patent filing.
Halliburton Energy Services, Inc.
Texas, United States
Patent: 26
Texas, United States
Patent: 26
Louisiana, United States
Patent: 21
China National Offshore Oil Corp.
Beijing Shi, China
Patent: 16
Tianjin Shi, China
Patent: 16
Niedersachsen, Germany
Patent: 15
Texas, United States
Patent: 7
Delaware, United States
Patent: 7
Schlumberger Technologies, Inc.
New Jersey, United States
Patent: 7
Welltec Oilfield Solutions AG
Zug, Switzerland
Patent: 6
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With the analysis among related 74 patents applied in the last 5 years. We discover 38 most active companies in this area. The fast-growing CNOOC China Ltd., welltec GmbH, China National Offshore Oil Corp. take 35.14% of patent filing during this period.
Tianjin Shi, China
Patent: 10
Niedersachsen, Germany
Patent: 9
China National Offshore Oil Corp.
Beijing Shi, China
Patent: 7
CNOOC (China) Co., Ltd. Beijing Research Center
Beijing Shi, China
Patent: 5
Schlumberger Technology BV
Zuid-Holland, Netherlands
Patent: 4
CNOOC Energy Technology & Services Ltd.
Beijing Shi, China
Patent: 4
Holding Energy Petroleum Engineering (Beijing) Co. Ltd.
Beijing Shi, China
Patent: 4
Tianjin Dafanhua Petroleum Technology Co., Ltd.
Tianjin Shi, China
Patent: 3
Schlumberger Technologies, Inc.
New Jersey, United States
Patent: 3
With the analysis among related 74 patents in last 5 years, we discover 25 new entrants. CNOOC (China) Co., Ltd. Beijing Research Center, Saudi Arabian Oil Co., CNOOC Energy Technology & Services Ltd. are the most active new entrants in this area.
CNOOC (China) Co., Ltd. Beijing Research Center
Beijing Shi, China
Patent: 5
CNOOC Energy Technology & Services Ltd.
Beijing Shi, China
Patent: 4
Holding Energy Petroleum Engineering (Beijing) Co. Ltd.
Beijing Shi, China
Patent: 4
Tianjin Dafanhua Petroleum Technology Co., Ltd.
Tianjin Shi, China
Patent: 3
Xiantao Daoqi Plastic Industry Co., Ltd.
Hubei Sheng, China
Patent: 2
Hao Xingyu (Tianjin) Technology Development Co., Ltd.
Tianjin Shi, China
Patent: 1
Xi'an Youxing Energy Technology Co., Ltd.
Shaanxi Sheng, China
Patent: 1
Petro-King Energy Technology Huizhou Co., Ltd.
Guangdong Sheng, China
Patent: 1
Texas, United States
Patent: 1
With the analysis among 13 patents, we discovered top 2 universities and scientific research institutions by total patent application.
Liaoning Sheng, China
Patent: 2
China Petroleum University Beijing
Beijing Shi, China
Patent: 1