{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-12000279","patent":{"patent_number":"US-12000279","title":"Estimating pore and fluid characteristic properties in rock samples using nuclear magnetic resonance analyses","assignee":null,"inventors":[],"filing_date":"2020-08-14T00:00:00.000Z","publication_date":"2024-06-04T00:00:00.000Z","cpc_codes":["G01N","G01N","G01N","G01N","G01N"],"num_claims":20,"abstract":"A method for deriving at least one pore or fluid relaxation parameter and endpoint selected from the group consisting of a longitudinal T1 pore surface relaxivity constant (ρ1), a transverse T2 pore surface relaxivity constant (ρ2), a pore surface-to-volume ratio (A/V), an equivalent pore-throat radius (req), and a bulk fluid relaxation time (TB) comprising: identifying modes in NMR T1-T2 data; assigning the modes to a poro-fluid class; clustering the modes based on poro-fluid class; estimating TB based on an asymptote fit of the clusters using T1 and T2 relaxation mechanisms in a bulk fluid relaxation-dominated limit; estimating ρ2/ρ1 based on an asymptote fit of the clusters using T1 and T2 relaxation mechanisms in a surface relaxation-dominated limit; fitting the T1 and T2 relaxation mechanisms to the clusters using the estimated TB; and deriving the pore or fluid relaxation parameter and endpoint for the poro-fluid classes from the fit."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Estimating pore and fluid characteristic properties in rock samples using nuclear magnetic resonance analyses","description":"A method for deriving at least one pore or fluid relaxation parameter and endpoint selected from the group consisting of a longitudinal T1 pore surface relaxivity constant (ρ1), a transverse T2 pore s","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-12000279","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-12000279","citation_suggestion":"Patentable. \"Estimating pore and fluid characteristic properties in rock samples using nuclear magnetic resonance analyses\" (US-12000279). https://patentable.app/patents/US-12000279","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-12000279","json":"https://patentable.app/api/llm-context/US-12000279","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T14:37:07.826Z"}