{ "docId": "019dd923-5de0-76bd-a169-e74518cecd2e", "docSlug": "20eb9b28f09b8375", "documentTitle": "Carbon Capture Utilization and Storage", "authorId": "Kearney", "authorName": "Kearney", "documentKindSlug": "consulting-deck", "documentKindLabel": "Consulting deck", "sourceTypeSlug": "strategy_consulting", "sourceTypeLabel": "Strategy consulting", "presentationDate": null, "orientation": "landscape", "aspectRatio": 1.778, "pageNumber": 42, "pageCount": 166, "prevPage": 41, "nextPage": 43, "slideType": "industry_trends", "function": "present_framework", "density": "overcrowded", "nDataPoints": 2, "notes": "The slide explains the technical process of CO2 injection for methane recovery, highlighting both the potential benefits and the practical challenges.", "elementsJson": [ "headline_text", "bullet_list", "paragraph", "process_diagram" ], "metadataConfidence": 1, "imagePath": null, "slideHref": "/slides/019dd923-5de0-76bd-a169-e74518cecd2e/42", "deckHref": "/decks/019dd923-5de0-76bd-a169-e74518cecd2e", "deckJsonHref": "/decks/019dd923-5de0-76bd-a169-e74518cecd2e.json", "deckAnchorHref": "/decks/019dd923-5de0-76bd-a169-e74518cecd2e#slide-42", "components": [ { "bbox": null, "kind": "callout", "text": "The successful injection of CO2 to enhance coalbed methane recovery has been proved by many experimental and numerical studies but large-scale commercial plants are absent.", "attrs": null, "subkind": null, "toolName": "Visual emphasis", "toolSlug": "visual-emphasis", "confidence": null, "componentId": "019dd952-0a6a-74c9-8ab4-6c714e0992eb", "frameworkName": null, "frameworkSlug": null }, { "bbox": { "h": 0.4, "w": 0.3, "x": 0.65, "y": 0.05 }, "kind": "image", "text": "ECBM schematic", "attrs": null, "subkind": "illustration", "toolName": null, "toolSlug": null, "confidence": null, "componentId": "bedf0a0c-eaf7-4b7d-8c15-3f4555e56de5", "frameworkName": null, "frameworkSlug": null }, { "bbox": { "h": 0.3, "w": 0.3, "x": 0.28, "y": 0.1 }, "kind": "list", "text": "When CO2 is injected in the coalbed layer, both the gaseous and adsorbed-state of CH4 and CO2 will exist in equilibrium. However, since the coalbed has a much stronger adsorption capacity for CO2 than CH4, the injection of CO2 will make the adsorbed CH4 desorb, thus enhancing the CH4 recovery\nA proportion of the injected CO2 will be stored in the coalbed formation, making it difficult for it to leak to the surface\nThe successful injection of CO2 to enhance coalbed methane recovery has been proved by many experimental and numerical studies but large-scale commercial plants are absent", "attrs": null, "subkind": "bullet", "toolName": null, "toolSlug": null, "confidence": null, "componentId": "73736f34-5ba8-47c1-9eaf-26a5f935fba7", "frameworkName": null, "frameworkSlug": null }, { "bbox": { "h": 0.2, "w": 0.3, "x": 0.28, "y": 0.6 }, "kind": "list", "text": "Methane recovery from existing wells can be increased from below 50% to over 95%\nCO2 can be stored in the methane-depleted coal seams\nRevenue could be obtained from both increased gas production as well as from greenhouse gas funding mechanisms", "attrs": null, "subkind": "bullet", "toolName": null, "toolSlug": null, "confidence": null, "componentId": "c2a73c05-a639-43a2-a511-6dc2f71c92a8", "frameworkName": null, "frameworkSlug": null }, { "bbox": { "h": 0.3, "w": 0.3, "x": 0.65, "y": 0.6 }, "kind": "list", "text": "In theory, CO2 is highly suited for injections in coal seams, but in practice, the situation is more complex\nAs the CO2 adsorbs to the coal surface it causes localized swelling and reduced permeability-issues resulting in lower or even halted production rates\nPotential solutions include alternating CO2 injection with N2, by using flue gas, by allowing resting periods between injections, or by performing different drilling approaches, but all these options add complexity and cost to a project making it economically unviable\nLack of proper monitoring, verification, and accounting (MVA) guidelines and technologies", "attrs": null, "subkind": "bullet", "toolName": null, "toolSlug": null, "confidence": null, "componentId": "ce9f10b1-750b-4a16-9d1a-fc95fa483777", "frameworkName": null, "frameworkSlug": null }, { "bbox": { "h": 0.15, "w": 0.22, "x": 0.05, "y": 0.45 }, "kind": "paragraph", "text": "Compared to other storage media, it is much more difficult to provide estimates of the realistic (or matched) global storage capacity potential due to the complexity of the CO2-coal-methane-water system", "attrs": null, "subkind": "paragraph", "toolName": null, "toolSlug": null, "confidence": null, "componentId": "3894324b-0dea-4d84-bb91-701e4c667fcb", "frameworkName": null, "frameworkSlug": null }, { "bbox": { "h": 0.03, "w": 0.6, "x": 0.28, "y": 0.95 }, "kind": "source-note", "text": "Source: IEA CLEAN COAL CENTRE (2015) “Potential for enhanced coalbed methane recovery”, Press search, Kearney Energy Transition Institute analysis", "attrs": null, "subkind": null, "toolName": null, "toolSlug": null, "confidence": null, "componentId": "1e5b327e-ff24-4922-86b4-838075e0720b", "frameworkName": null, "frameworkSlug": null }, { "bbox": { "h": 0.05, "w": 0.1, "x": 0.65, "y": 0.55 }, "kind": "title", "text": "Challenges", "attrs": null, "subkind": "headline", "toolName": null, "toolSlug": null, "confidence": null, "componentId": "2dfa5b65-c558-493c-94e0-f8f8da392eea", "frameworkName": null, "frameworkSlug": null }, { "bbox": { "h": 0.05, "w": 0.1, "x": 0.28, "y": 0.55 }, "kind": "title", "text": "Advantages", "attrs": null, "subkind": "headline", "toolName": null, "toolSlug": null, "confidence": null, "componentId": "b423fc79-dd9e-4dfb-8719-f3328399b410", "frameworkName": null, "frameworkSlug": null }, { "bbox": { "h": 0.05, "w": 0.15, "x": 0.28, "y": 0.05 }, "kind": "title", "text": "Principle of ECBM", "attrs": null, "subkind": "headline", "toolName": null, "toolSlug": null, "confidence": null, "componentId": "dc5173aa-f693-4a7b-b248-40b5a0a6103f", "frameworkName": null, "frameworkSlug": null }, { "bbox": { "h": 0.25, "w": 0.25, "x": 0.05, "y": 0.05 }, "kind": "title", "text": "In Enhanced coalbed methane (ECBM) process, CO2 is injected into a CBM well to enhance recovery of methane whilst storing CO2 underground", "attrs": null, "subkind": "headline", "toolName": null, "toolSlug": null, "confidence": null, "componentId": "f216a722-5b10-4c6c-b043-5f1467b2cc45", "frameworkName": null, "frameworkSlug": null } ], "metrics": [], "tools": [], "frameworks": [], "arcBeats": [ { "to": 166, "from": 41, "beatId": "fe8271bb-772f-484a-a616-dfe52603a74c", "arcName": "The Consultant's Gambit", "arcSlug": "consultants-gambit", "beatName": "Impact & Next Steps", "beatSlug": "consultants-gambit-impact-next-steps", "evidence": "Outlook, economics, policies, and regulations.", "position": 3, "confidence": 0.8, "parentBeatName": "Resolution", "parentBeatSlug": "resolution" } ], "loops": [], "imagePathAlt": null, "thumbSrc": null, "thumbSrcAlt": null, "locked": true }