{"id":"https://openalex.org/A5006902385","orcid":null,"observed_orcids":[],"display_name":"Pat J. McLellan","raw_author_names":["P J McLellan","P. J. McLellan","P. McLellan","P.J. McLellan","Pat J. McLellan","Pat McLellan","Patrick J. McLellan"],"full_name":"Pat J. McLellan","works_count":27,"cited_by_count":520,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":12,"i10_index":14},"ids":{"openalex":"https://openalex.org/A5006902385","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I152304114","ror":"https://ror.org/02e2tgs60","display_name":"Lamont-Doherty Earth Observatory","country_code":"US","type":"facility","lineage":["https://openalex.org/I152304114","https://openalex.org/I78577930"]},"years":[2010]},{"institution":{"id":"https://openalex.org/I168635309","ror":"https://ror.org/03yjb2x39","display_name":"University of Calgary","country_code":"CA","type":"education","lineage":["https://openalex.org/I168635309"]},"years":[2004]},{"institution":{"id":"https://openalex.org/I911422844","ror":"https://ror.org/01k9rsw84","display_name":"Shell (Canada)","country_code":"CA","type":"company","lineage":["https://openalex.org/I7923278","https://openalex.org/I911422844"]},"years":[1996,1995,1994,1992,1991,1990]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10892","display_name":"Drilling and Well Engineering","count":19,"subfield":{"id":"https://openalex.org/subfields/2103","display_name":"Fuel Technology"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10399","display_name":"Hydrocarbon exploration and reservoir analysis","count":18,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10161","display_name":"Rock Mechanics and Modeling","count":15,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10635","display_name":"Hydraulic Fracturing and Reservoir Analysis","count":13,"subfield":{"id":"https://openalex.org/subfields/2103","display_name":"Fuel Technology"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13772","display_name":"Geomechanics and Mining Engineering","count":5,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T10892","display_name":"Drilling and Well Engineering","value":0.0001021,"subfield":{"id":"https://openalex.org/subfields/2103","display_name":"Fuel Technology"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10635","display_name":"Hydraulic Fracturing and Reservoir Analysis","value":8.69e-05,"subfield":{"id":"https://openalex.org/subfields/2103","display_name":"Fuel Technology"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10161","display_name":"Rock Mechanics and Modeling","value":4.68e-05,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10399","display_name":"Hydrocarbon exploration and reservoir analysis","value":4.31e-05,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11302","display_name":"CO2 Sequestration and Geologic Interactions","value":3.21e-05,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","score":0.841884970664978},{"id":"25197100","wikidata":"https://www.wikidata.org/wiki/Q890886","display_name":"Drilling","score":0.8045005798339844},{"id":"78762247","wikidata":"https://www.wikidata.org/wiki/Q1273174","display_name":"Petroleum engineering","score":0.7499476671218872},{"id":"187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","score":0.6021339893341064},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.4543820917606354}],"counts_by_year":[{"year":1990,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":17},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":28},{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":30},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":21},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":40},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":25},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":30},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":34},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":22},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":35},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":34},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":23},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":20},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":28},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":22}],"display_name_alternatives":["P J McLellan","P. J. McLellan","P. McLellan","P.J. McLellan","Pat J. McLellan","Pat McLellan","Patrick J. McLellan"],"block_key":"p mclellan","works_api_url":"https://api.openalex.org/works?filter=author.id:A5006902385","updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}