With 172 patents held between 2002 and 2022, Shell plc holds the most number of Enhanced Oil Recovery (EOR) patents in the Oil & Gas sector in the Middle East and Africa region.
The second largest number of patents were held by Halliburton Co with 45 Enhanced Oil Recovery (EOR) patents, of which 66.7% was contributed by Landmark Graphics Corp. The third largest number of patents were held by Exxon Mobil Corp with 18 Enhanced Oil Recovery (EOR) patents, of which 83.3% was contributed by ExxonMobil Upstream Research Co. The fourth largest number of patents were held by TotalEnergies SE with 14 Enhanced Oil Recovery (EOR) patents, of which 92.9% was contributed by American Shale Oil LLC. The fifth largest number of patents were held by Baker Hughes Co with 13 Enhanced Oil Recovery (EOR) patents, of which 53.8% was contributed by Baker Hughes Srl.
The top five patents holders, i.e., Shell plc, Halliburton Co, Exxon Mobil Corp, TotalEnergies SE, and Baker Hughes Co, together held 262 Enhanced Oil Recovery (EOR) patents during the period.
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