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Questions and Answers

What are the primary types of CO2 storage options mentioned in the text?

Lake type, subsurface mineralisation, and surface waste materials

Ocean storage, mineral carbonation, and geological storage (correct)

Enhanced oil recovery, unminable coal seams, and saline aquifers

Dissolution type, natural CO2 sources, and immiscible CO2 flooding

Which project is cited as an example of immiscible CO2 flooding?

Denver Unit of Wasson Field

Great Plains / Weyburn project (correct)

Sleipner, Norway

SACROC unit

What is the primary method of tertiary recovery (EOR) mentioned in the text?

Waterflooding

Miscible gas injection (correct)

Foam injection

Natural CO2 sources

Which field is provided as an example of tertiary recovery (EOR) using miscible gas injection?

Ula field, Norwegian North Sea Signup and view all the answers

What are the two examples of units mentioned in the context of immiscible CO2 flooding?

SACROC unit, Denver Unit of Wasson Field Signup and view all the answers

Which of the following is not mentioned as a planned CCS hub?

USA Signup and view all the answers

What is the primary purpose of CO2 sequestration for Enhanced Oil Recovery (EOR)?

To enhance oil recovery Signup and view all the answers

Which of the following is not mentioned as a type of CO2 storage in the text?

Natural gas injection Signup and view all the answers

What type of CO2 storage involves CO2 storage in un-minable coal seams?

Coal bed methane production Signup and view all the answers

Which of the following is not mentioned as a method of primary, secondary, or tertiary recovery?

Natural gas injection Signup and view all the answers

What is the objective of 'Advanced' CO2-EOR?

Maximize CO2 sequestration and offset costs by producing oil Signup and view all the answers

What is the break-even cost for Advanced CO2-EOR?

$22$32 / Tonne of CO2 Signup and view all the answers

What are the tax credits for CO2 permanently stored and used in EOR according to the US Inflation Reduction act, 2022?

$85 per tonne of CO2 permanently stored, $60 per tonne of used CO2 Signup and view all the answers

What is the expected capacity of the proposed Midwest CO2 Superhighway for sequestering CO2 annually?

40 million tonnes Signup and view all the answers

What is the primary recovery method that uses the reservoir's own energy?

Water Drive Signup and view all the answers

What is the recovery factor to 2018 for the Weyburn unit oil production?

35% Signup and view all the answers

What is the estimated total storage capacity of CO2 in the Weyburn Field?

55 Mt CO2 Signup and view all the answers

What is the primary method of CO2 sequestration in un-minable coal seams?

Sorption capacity Signup and view all the answers

What is the total volume of CO2 sequestered in enhanced coal-bed methane CO2 storage projects?

ca. 50 kt CO2 /year Signup and view all the answers

Which of the following is a CO2 storage option according to the IPCC Report, 2005?

Subsurface mineralisation Signup and view all the answers

What are the two types of CO2 EOR processes mentioned in the text?

Immiscible and miscible Signup and view all the answers

What is the significance of Minimum Miscibility Pressure (MMP) in EOR?

It determines the pressure required for miscible displacement Signup and view all the answers

Which oilfields in the USA are specifically mentioned as using CO2 EOR?

Weyburn, Wasson, SACROC, Permian Basin Signup and view all the answers

What is the focus of onshore pattern drilling in SACROC, Wasson, and Denver Unit?

Enhanced oil recovery techniques Signup and view all the answers

What are the sources of CO2 for CO2 EOR projects in the USA?

Natural reservoirs and industrial sources Signup and view all the answers

What is the impact of CO2 EOR on the SACROC unit in west Texas?

Cumulative injection of CO2, sweep efficiency, and recovery factor Signup and view all the answers

What does the relationship between injected solvent volume and incremental recovery factor indicate?

The higher the solvent volume, the higher the incremental recovery factor Signup and view all the answers

What is the focus of laboratory coreflood studies on miscible solvent for oil recovery?

Assessing the effectiveness of miscible solvent for oil recovery Signup and view all the answers

What does the influence of mobility ratio on areal sweep efficiency refer to?

The impact of fluid mobility on the efficiency of displacing oil Signup and view all the answers

What is the focus of EOR through miscible CO2 flooding in terms of macroscopic sweep efficiency and recovery factor?

Enhancing the efficiency of displacing oil and increasing recovery factor Signup and view all the answers

Study Notes

Enhanced Oil Recovery (EOR) and CO2 Flooding

Global number of EOR projects in operation from 1971 to 2017
CO2 EOR processes: immiscible and miscible
Laboratory coreflood studies on miscible solvent for oil recovery
Influence of mobility ratio on areal sweep efficiency
EOR through miscible CO2 flooding: macroscopic sweep efficiency and recovery factor
Minimum Miscibility Pressure (MMP) and its significance in EOR
Relationship between injected solvent volume and incremental recovery factor
Specific USA West Texas oilfields using CO2 EOR: Weyburn, Wasson, SACROC, Permian Basin
Onshore pattern drilling in SACROC, Wasson, and Denver Unit
CO2 EOR impact on SACROC unit in west Texas: cumulative injection of CO2, sweep efficiency, and recovery factor
Production history and projected CO2 volumes in Denver Unit, Wasson Field
CO2 sources for CO2 EOR projects in the USA: natural reservoirs and industrial sources
CO2 production from McElmo Dome and its significance in CO2 EOR and CCS applications

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Untitled Quiz

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Questions and Answers

What are the primary types of CO2 storage options mentioned in the text?

Which project is cited as an example of immiscible CO2 flooding?

What is the primary method of tertiary recovery (EOR) mentioned in the text?

Which field is provided as an example of tertiary recovery (EOR) using miscible gas injection?

What are the two examples of units mentioned in the context of immiscible CO2 flooding?

Which of the following is not mentioned as a planned CCS hub?

What is the primary purpose of CO2 sequestration for Enhanced Oil Recovery (EOR)?

Which of the following is not mentioned as a type of CO2 storage in the text?

What type of CO2 storage involves CO2 storage in un-minable coal seams?

Which of the following is not mentioned as a method of primary, secondary, or tertiary recovery?

What is the objective of 'Advanced' CO2-EOR?

What is the break-even cost for Advanced CO2-EOR?

What are the tax credits for CO2 permanently stored and used in EOR according to the US Inflation Reduction act, 2022?

What is the expected capacity of the proposed Midwest CO2 Superhighway for sequestering CO2 annually?

What is the primary recovery method that uses the reservoir's own energy?

What is the recovery factor to 2018 for the Weyburn unit oil production?

What is the estimated total storage capacity of CO2 in the Weyburn Field?

What is the primary method of CO2 sequestration in un-minable coal seams?

What is the total volume of CO2 sequestered in enhanced coal-bed methane CO2 storage projects?

Which of the following is a CO2 storage option according to the IPCC Report, 2005?

What are the two types of CO2 EOR processes mentioned in the text?

What is the significance of Minimum Miscibility Pressure (MMP) in EOR?

Which oilfields in the USA are specifically mentioned as using CO2 EOR?

What is the focus of onshore pattern drilling in SACROC, Wasson, and Denver Unit?

What are the sources of CO2 for CO2 EOR projects in the USA?

What is the impact of CO2 EOR on the SACROC unit in west Texas?

What does the relationship between injected solvent volume and incremental recovery factor indicate?

What is the focus of laboratory coreflood studies on miscible solvent for oil recovery?

What does the influence of mobility ratio on areal sweep efficiency refer to?

What is the focus of EOR through miscible CO2 flooding in terms of macroscopic sweep efficiency and recovery factor?

Study Notes

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