{"id":"https://openalex.org/W7124696255","doi":"https://doi.org/10.1002/gj.70215","title":"Experimental Study on Dynamic Changes of Physical Properties in Deep Coalbed Methane Reservoirs","display_name":"Experimental Study on Dynamic Changes of Physical Properties in Deep Coalbed Methane Reservoirs","publication_year":2026,"publication_date":"2026-01-19","ids":{"openalex":"https://openalex.org/W7124696255","doi":"https://doi.org/10.1002/gj.70215"},"language":"en","primary_location":{"id":"doi:10.1002/gj.70215","doi":"https://doi.org/10.1002/gj.70215","is_oa":true,"landing_page_url":"https://doi.org/10.1002/gj.70215","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/gj.70215","source":{"id":"https://openalex.org/S128421901","display_name":"Geological Journal","issn_l":"0072-1050","issn":["0072-1050","1099-1034"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Geological Journal","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/gj.70215","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5121674413","display_name":"Li Niu","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Li Niu","raw_affiliation_strings":["Inner Mongolia Coal Geological Exploration (Group)109 Co. Ltd.  Hailar China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Inner Mongolia Coal Geological Exploration (Group)109 Co. Ltd.  Hailar China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5121619052","display_name":"Tao Jiang","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Tao Jiang","raw_affiliation_strings":["Inner Mongolia Coal Geological Exploration (Group)109 Co. Ltd.  Hailar China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Inner Mongolia Coal Geological Exploration (Group)109 Co. Ltd.  Hailar China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011761868","display_name":"Danhua Wang","orcid":"https://orcid.org/0000-0002-9202-5939","observed_orcids":["https://orcid.org/0000-0002-9202-5939"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Danhua Wang","raw_affiliation_strings":["Inner Mongolia Coal Geological Exploration (Group)109 Co. Ltd.  Hailar China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Inner Mongolia Coal Geological Exploration (Group)109 Co. Ltd.  Hailar China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5146804870","display_name":"Sha Li","orcid":"https://orcid.org/0009-0004-7146-925X","observed_orcids":["https://orcid.org/0009-0004-7146-925X"]},"institutions":[{"id":"https://openalex.org/I4405273412","display_name":"Xinjiang Research Institute of the Huairou Laboratory","ror":"https://ror.org/05snx1868","country_code":"CN","type":"government","lineage":["https://openalex.org/I4405273412"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Sha Li","raw_affiliation_strings":["Xinjiang Research Institute of Huairou Laboratory  Urumqi China"],"raw_orcid":"https://orcid.org/0009-0004-7146-925X","affiliations":[{"raw_affiliation_string":"Xinjiang Research Institute of Huairou Laboratory  Urumqi China","institution_ids":["https://openalex.org/I4405273412"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5146804870"],"corresponding_institution_ids":["https://openalex.org/I4405273412"],"apc_list":{"value":3540,"currency":"USD","value_usd":3540},"apc_paid":null,"fwci":2.9683,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.86671234,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":96},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11284","display_name":"Coal Properties and Utilization","score":0.9804999828338623,"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"}},"topics":[{"id":"https://openalex.org/T11284","display_name":"Coal Properties and Utilization","score":0.9804999828338623,"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","score":0.018300000578165054,"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/T12218","display_name":"Coal and Its By-products","score":0.00039999998989515007,"subfield":{"id":"https://openalex.org/subfields/1906","display_name":"Geochemistry and Petrology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/deep-coalbed-methane","display_name":"deep coalbed methane","score":0.9490000009536743},{"id":"https://openalex.org/keywords/confining-pressure","display_name":"confining pressure","score":0.902999997138977},{"id":"https://openalex.org/keywords/stress-sensitivity","display_name":"stress sensitivity","score":0.7409999966621399},{"id":"https://openalex.org/keywords/permeability","display_name":"permeability","score":0.6209999918937683},{"id":"https://openalex.org/keywords/porosity","display_name":"porosity","score":0.996999979019165},{"id":"https://openalex.org/keywords/pore-structure","display_name":"pore structure","score":0.8100000023841858},{"id":"https://openalex.org/keywords/fractal-dimension","display_name":"fractal dimension","score":0.949999988079071},{"id":"https://openalex.org/keywords/nmr-logging","display_name":"NMR logging","score":0.5339999794960022},{"id":"https://openalex.org/keywords/ordos-basin","display_name":"Ordos Basin","score":0.7300000190734863}],"concepts":[{"id":"https://openalex.org/C205093917","wikidata":"https://www.wikidata.org/wiki/Q1468336","display_name":"Overburden pressure","level":2,"score":0.8327999711036682},{"id":"https://openalex.org/C2776469828","wikidata":"https://www.wikidata.org/wiki/Q955546","display_name":"Coalbed methane","level":4,"score":0.8059999942779541},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.7459999918937683},{"id":"https://openalex.org/C120882062","wikidata":"https://www.wikidata.org/wiki/Q28352","display_name":"Permeability (electromagnetism)","level":3,"score":0.7193999886512756},{"id":"https://openalex.org/C518851703","wikidata":"https://www.wikidata.org/wiki/Q24489","display_name":"Coal","level":2,"score":0.6855000257492065},{"id":"https://openalex.org/C6648577","wikidata":"https://www.wikidata.org/wiki/Q622669","display_name":"Porosity","level":2,"score":0.675000011920929},{"id":"https://openalex.org/C2777201227","wikidata":"https://www.wikidata.org/wiki/Q331224","display_name":"Overburden","level":2,"score":0.6388999819755554},{"id":"https://openalex.org/C19149912","wikidata":"https://www.wikidata.org/wiki/Q4373292","display_name":"Physical property","level":2,"score":0.5813000202178955},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.4794999957084656},{"id":"https://openalex.org/C26546657","wikidata":"https://www.wikidata.org/wiki/Q1412452","display_name":"Fractal dimension","level":3,"score":0.47940000891685486},{"id":"https://openalex.org/C102579867","wikidata":"https://www.wikidata.org/wiki/Q2914346","display_name":"Pore water pressure","level":2,"score":0.4641999900341034},{"id":"https://openalex.org/C57924286","wikidata":"https://www.wikidata.org/wiki/Q2753078","display_name":"Macropore","level":4,"score":0.45329999923706055},{"id":"https://openalex.org/C516920438","wikidata":"https://www.wikidata.org/wiki/Q37129","display_name":"Methane","level":2,"score":0.4496999979019165},{"id":"https://openalex.org/C85676937","wikidata":"https://www.wikidata.org/wiki/Q2251807","display_name":"Effective stress","level":2,"score":0.4250999987125397},{"id":"https://openalex.org/C108615695","wikidata":"https://www.wikidata.org/wiki/Q12880211","display_name":"Coal mining","level":3,"score":0.4032000005245209},{"id":"https://openalex.org/C78762247","wikidata":"https://www.wikidata.org/wiki/Q1273174","display_name":"Petroleum engineering","level":1,"score":0.3594000041484833},{"id":"https://openalex.org/C40636538","wikidata":"https://www.wikidata.org/wiki/Q81392","display_name":"Fractal","level":2,"score":0.35899999737739563},{"id":"https://openalex.org/C199289684","wikidata":"https://www.wikidata.org/wiki/Q83353","display_name":"Mineralogy","level":1,"score":0.319599986076355},{"id":"https://openalex.org/C5900021","wikidata":"https://www.wikidata.org/wiki/Q163082","display_name":"Petrology","level":1,"score":0.3111000061035156},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.27469998598098755},{"id":"https://openalex.org/C172120300","wikidata":"https://www.wikidata.org/wiki/Q1134348","display_name":"Volumetric flow rate","level":2,"score":0.27059999108314514},{"id":"https://openalex.org/C159390177","wikidata":"https://www.wikidata.org/wiki/Q9161265","display_name":"Soil science","level":1,"score":0.2696000039577484},{"id":"https://openalex.org/C150560799","wikidata":"https://www.wikidata.org/wiki/Q502102","display_name":"Borehole","level":2,"score":0.25690001249313354},{"id":"https://openalex.org/C105569014","wikidata":"https://www.wikidata.org/wiki/Q3271208","display_name":"Porous medium","level":3,"score":0.25279998779296875},{"id":"https://openalex.org/C63184880","wikidata":"https://www.wikidata.org/wiki/Q2783041","display_name":"Hydraulic conductivity","level":3,"score":0.2515999972820282}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/gj.70215","doi":"https://doi.org/10.1002/gj.70215","is_oa":true,"landing_page_url":"https://doi.org/10.1002/gj.70215","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/gj.70215","source":{"id":"https://openalex.org/S128421901","display_name":"Geological Journal","issn_l":"0072-1050","issn":["0072-1050","1099-1034"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Geological Journal","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1002/gj.70215","doi":"https://doi.org/10.1002/gj.70215","is_oa":true,"landing_page_url":"https://doi.org/10.1002/gj.70215","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/gj.70215","source":{"id":"https://openalex.org/S128421901","display_name":"Geological Journal","issn_l":"0072-1050","issn":["0072-1050","1099-1034"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Geological Journal","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G7667387031","display_name":null,"funder_award_id":"442272200","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7124696255.pdf","grobid_xml":"https://content.openalex.org/works/W7124696255.grobid-xml"},"referenced_works_count":20,"referenced_works":["https://openalex.org/W1998906056","https://openalex.org/W2345892614","https://openalex.org/W2761261017","https://openalex.org/W2854290682","https://openalex.org/W3202970657","https://openalex.org/W4200535777","https://openalex.org/W4280608410","https://openalex.org/W4281552690","https://openalex.org/W4366144765","https://openalex.org/W4387116922","https://openalex.org/W4389312434","https://openalex.org/W4391914806","https://openalex.org/W4393238607","https://openalex.org/W4398160116","https://openalex.org/W4399489990","https://openalex.org/W4401336664","https://openalex.org/W4409369203","https://openalex.org/W4409528464","https://openalex.org/W4411139953","https://openalex.org/W4412612329"],"related_works":["https://openalex.org/W2780528804","https://openalex.org/W7152034165","https://openalex.org/W7160156468","https://openalex.org/W4220656285","https://openalex.org/W4400335243","https://openalex.org/W4415786220","https://openalex.org/W7208717517","https://openalex.org/W2389782180","https://openalex.org/W3048280890","https://openalex.org/W2963703799"],"abstract_inverted_index":{"ABSTRACT":[0],"There":[1],"are":[2],"abundant":[3],"deep":[4,27,50,59,65,216],"coalbed":[5],"methane":[6],"(CBM)":[7],"resources":[8],"in":[9,45,68,147,219],"the":[10,21,46,55,64,69,73,95,128,136,161,171,179,212,220,225,247],"Ordos":[11],"Basin,":[12],"which":[13],"have":[14],"great":[15],"exploration":[16,255],"and":[17,38,76,84,121,140,149,160,168,187,199,206,233,254,256],"development":[18,56],"value.":[19],"However,":[20],"special":[22],"geological":[23],"environment":[24],"caused":[25],"by":[26],"burial":[28],"of":[29,49,58,99,138,181,190,215,228,250],"resources,":[30],"such":[31],"as":[32,72],"high":[33,35,39,172],"temperature,":[34],"reservoir":[36,252],"pressure,":[37,119],"stress,":[40],"leads":[41,142],"to":[42,92,143,197],"significant":[43,145],"differences":[44],"physical":[47,96,213],"properties":[48,214,253],"coal":[51,66,78,100,217,251],"reservoirs,":[52],"seriously":[53],"restricting":[54],"effect":[57],"CBM.":[60],"This":[61],"study":[62,94],"takes":[63],"reservoirs":[67,101,218],"Linxing\u2013Shenfu":[70],"block":[71],"research":[74,107,221],"object,":[75],"combines":[77],"sample":[79],"overburden":[80,85],"pressure":[81,86,104,131,174,183,238],"pore":[82,229,231],"permeability":[83,148,156,185,200],"nuclear":[87],"magnetic":[88],"resonance":[89],"(NMR)":[90],"experiments":[91],"deeply":[93],"property":[97],"changes":[98,195,249],"under":[102,236],"different":[103],"conditions.":[105],"The":[106,155,208],"results":[108,210],"indicate":[109],"that":[110],"there":[111],"is":[112,165,203],"a":[113,144,241],"negative":[114],"exponential":[115],"relationship":[116],"between":[117,166,204],"confining":[118,130,153,173,182,237],"porosity,":[120],"permeability,":[122],"indicating":[123],"strong":[124],"stress":[125],"sensitivity.":[126],"In":[127,170],"low":[129],"stage":[132,175],"(<":[133],"10":[134,177],"MPa),":[135,178],"closure":[137],"macropores":[139],"fractures":[141],"decrease":[146],"porosity":[150,162,194],"with":[151],"increasing":[152],"pressure.":[154],"loss":[157,163,201],"reaches":[158],"90%,":[159],"rate":[164,202],"20%":[167],"30%.":[169],"(>":[176],"impact":[180],"on":[184,211],"reduction":[186],"fractal":[188,234],"dimension":[189,235],"seepage":[191],"space":[192,232],"weakens,":[193],"tend":[196],"flatten,":[198],"50%":[205],"70%.":[207],"experimental":[209],"area":[222],"clearly":[223],"demonstrate":[224],"changing":[226],"trends":[227],"structure,":[230],"changes,":[239],"providing":[240],"reliable":[242],"theoretical":[243],"basis":[244],"for":[245],"revealing":[246],"dynamic":[248],"development.":[257]},"counts_by_year":[{"year":2026,"cited_by_count":2}],"updated_date":"2026-08-26T07:47:46.906454","created_date":"2026-01-20T00:00:00"}