{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11299982","patent":{"patent_number":"US-11299982","title":"Tracers for petroleum reservoirs","assignee":null,"inventors":[],"filing_date":"2019-01-18T00:00:00.000Z","publication_date":"2022-04-12T00:00:00.000Z","cpc_codes":["G01N","G01N","G01N","G01N","G01N"],"num_claims":27,"abstract":"Analyzing a fluid extracted from a reservoir includes introducing a first composition featuring a first complexing agent into a reservoir at a first location, extracting a fluid from the reservoir at a second location different from the first location, combining the fluid with a second composition featuring a concentration of a lanthanide ion to form a third composition featuring a concentration of a complex formed by the first complexing agent and the lanthanide ion, exposing a quantity of the complex to electromagnetic radiation for a first time period ending at a time t0, detecting fluorescence emission from the quantity of the complex for a second time period starting at a time t1>t0, where t1-t0 is greater than 2 microseconds, and determining information about a fluid flow path between the first location and the second location."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Tracers for petroleum reservoirs","description":"Analyzing a fluid extracted from a reservoir includes introducing a first composition featuring a first complexing agent into a reservoir at a first location, extracting a fluid from the reservoir at ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11299982","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-11299982","citation_suggestion":"Patentable. \"Tracers for petroleum reservoirs\" (US-11299982). https://patentable.app/patents/US-11299982","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11299982","json":"https://patentable.app/api/llm-context/US-11299982","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T13:41:48.336Z"}