Abstract
Abstract During the past 47 years, CO2 flood technology for Enhanced Oil Recovery projects evolved from a partially understood process filled with uncertainties to a process based on proven technology and experience. Many questions involved with CO2 flooding have been thoroughly analyzed and answered. This knowledge is currently being used by a limited number of companies that actually know how to design, implement, and manage a CO2 flood for long term profit. The purpose of this report is to help disseminate this knowledge to operating companies interested in EOR flooding or to CO2 Sequestration Communities interested in storing CO2 in EOR projects. Carbon Sequestration Options for CO2/EOR from the 20th Century: In 2015 and 2017, Merchant Consulting published two papers: CMTC-440075-MS "Life beyond 80 – A look at Conventional WAG Recovery beyond 80% HCPV Injection in CO2 Tertiary Floods" and CMTC-502866-MS "Enhanced Oil Recovery - The History of CO2 Conventional WAG Injection Techniques developed from Lab in the 1950's to 2017". The objective of these reports were to target all "10 CO2 Recovery Methods" used to date including "Conventional WAG Techniques" Results show Tertiary Oil Recovery can be as high as 26% OOIP with 190% HCPV Injected. Carbon Sequestration Options for CO2/EOR in the 21st Century: From 2005 to 2019, the Shale Oil Revolution killed CO2/EOR Sequestration by driving oil prices down to the $50-$60 dollar range along with the inability to lower CO2 Capture costs. The purpose of this report is to provide the CO2 Sequestration Community an update of combining two existing Conventional CO2/EOR Recovery Techniques that will compete economically with today's Shale Oil Revolution (Primary Recovery - Single Cycle). This includes: "Shale Oil CO2/EOR Huff-n-Puff" Tertiary Oil Recovery to recover 2X to 3X times todays 1X Primary Unconventional Oil Recovery. New methods also target: Zero Emissions (No Flare) and incorporates Q45 Tax Credits
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