An Analysis of the Intellectual Property Market in the Field of Enhanced Oil Recovery Methods

The article presents an analysis of the intellectual property market in field enhanced oil recovery (EOR) methods. search retrospectively covers period from 2010 to 2020. Russia, China, and United States are leading countries Canada, Germany, Saudi Arabia also have a high level patent activity compared with other countries. Semantic statistical obtained sample documents made it possible highlight areas intensive patenting, competitiveness, as well mainstream methods recovery. companies’ portfolios revealed similarities differences their structure. Tatneft, ConocoPhillips Co., Sinopec, PetroChina Co. actively patenting thermal recovery, which has been identified mainstream. BASF SE is focused on production chemicals, including chemicals for production. Arabian Oil Company produces light using waterflooding physicochemical Software dominates collection sector EORs Gazpromneft STC Lukoil.