With 233 patents held between 2002 and 2022, Halliburton Co holds the most number of Enhanced Oil Recovery (EOR) patents in the Oil & Gas sector in the South and Central America region, of which 82.4% was contributed by Halliburton Energy Services Inc.
The second largest number of patents were held by BASF SE with 101 Enhanced Oil Recovery (EOR) patents. The third largest number of patents were held by Baker Hughes Co with 79 Enhanced Oil Recovery (EOR) patents, of which 57.0% was contributed by Baker Hughes Srl. The fourth largest number of patents were held by Shell plc with 78 Enhanced Oil Recovery (EOR) patents. The fifth largest number of patents were held by Ecolab Inc with 60 Enhanced Oil Recovery (EOR) patents, of which 53.3% was contributed by Ecolab USA Inc..
The top five patents holders, i.e., Halliburton Co, BASF SE, Baker Hughes Co, Shell plc, and Ecolab Inc, together held 551 Enhanced Oil Recovery (EOR) patents during the period.
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