{"id":18096,"date":"2024-07-06T13:54:13","date_gmt":"2024-07-06T05:54:13","guid":{"rendered":"https:\/\/www.casingtube.com\/?p=18096"},"modified":"2024-07-07T01:17:19","modified_gmt":"2024-07-06T17:17:19","slug":"what-is-the-difference-between-l80-and-l80","status":"publish","type":"post","link":"https:\/\/www.casingtube.com\/fr\/what-is-the-difference-between-l80-and-l80\/","title":{"rendered":"Quelle est la diff\u00e9rence entre le L80 et le L80 type 1\u00a0?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_63 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.casingtube.com\/fr\/what-is-the-difference-between-l80-and-l80\/#Resistance_et_durabilite\" title=\"R\u00e9sistance et durabilit\u00e9\u00a0:\">R\u00e9sistance et durabilit\u00e9\u00a0:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.casingtube.com\/fr\/what-is-the-difference-between-l80-and-l80\/#Dun_autre_cote_le_L80_type_1_represente_un_sous-ensemble_specifique_au_sein_de_la_classification_des_grades_L80_Le_L80_type_1_se_distingue_par_sa_composition_chimique_et_ses_proprietes_mecaniques_uniques_qui_le_distinguent_des_autres_variantes_de_tubes_de_tubage_L80_Ce_type_est_soigneusement_formule_pour_repondre_aux_normes_industrielles_et_aux_exigences_de_performance_strictes_garantissant_des_performances_optimales_dans_les_applications_de_forage_exigeantes_Lune_des_principales_differences_entre_les_tubes_de_tubage_de_qualite_L80_et_le_type_1_L80_reside_dans_leurs_compositions_et_processus_de_fabrication_respectifs_Le_L80_type_1_subit_des_procedures_precises_dalliage_et_de_traitement_thermique_pour_obtenir_les_proprietes_mecaniques_souhaitees_telles_que_la_resistance_la_tenacite_et_la_resistance_a_la_corrosion_Ces_processus_sur_mesure_garantissent_que_le_L80_type_1_repond_aux_criteres_de_performance_stricts_attendus_dans_les_operations_de_forage_critiques\" title=\"D\u2019un autre c\u00f4t\u00e9, le L80 type 1 repr\u00e9sente un sous-ensemble sp\u00e9cifique au sein de la classification des grades L80. Le L80 type 1 se distingue par sa composition chimique et ses propri\u00e9t\u00e9s m\u00e9caniques uniques, qui le distinguent des autres variantes de tubes de tubage L80. Ce type est soigneusement formul\u00e9 pour r\u00e9pondre aux normes industrielles et aux exigences de performance strictes, garantissant des performances optimales dans les applications de forage exigeantes.\nL&#8217;une des principales diff\u00e9rences entre les tubes de tubage de qualit\u00e9 L80 et le type 1 L80 r\u00e9side dans leurs compositions et processus de fabrication respectifs. Le L80 type 1 subit des proc\u00e9dures pr\u00e9cises d&#8217;alliage et de traitement thermique pour obtenir les propri\u00e9t\u00e9s m\u00e9caniques souhait\u00e9es, telles que la r\u00e9sistance, la t\u00e9nacit\u00e9 et la r\u00e9sistance \u00e0 la corrosion. Ces processus sur mesure garantissent que le L80 type 1 r\u00e9pond aux crit\u00e8res de performance stricts attendus dans les op\u00e9rations de forage critiques.\">D\u2019un autre c\u00f4t\u00e9, le L80 type 1 repr\u00e9sente un sous-ensemble sp\u00e9cifique au sein de la classification des grades L80. Le L80 type 1 se distingue par sa composition chimique et ses propri\u00e9t\u00e9s m\u00e9caniques uniques, qui le distinguent des autres variantes de tubes de tubage L80. Ce type est soigneusement formul\u00e9 pour r\u00e9pondre aux normes industrielles et aux exigences de performance strictes, garantissant des performances optimales dans les applications de forage exigeantes.\nL&#8217;une des principales diff\u00e9rences entre les tubes de tubage de qualit\u00e9 L80 et le type 1 L80 r\u00e9side dans leurs compositions et processus de fabrication respectifs. Le L80 type 1 subit des proc\u00e9dures pr\u00e9cises d&#8217;alliage et de traitement thermique pour obtenir les propri\u00e9t\u00e9s m\u00e9caniques souhait\u00e9es, telles que la r\u00e9sistance, la t\u00e9nacit\u00e9 et la r\u00e9sistance \u00e0 la corrosion. Ces processus sur mesure garantissent que le L80 type 1 r\u00e9pond aux crit\u00e8res de performance stricts attendus dans les op\u00e9rations de forage critiques.<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"strength-and-durability-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Resistance_et_durabilite\"><\/span>R\u00e9sistance et durabilit\u00e9\u00a0:<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nD&#8217;un autre c\u00f4t\u00e9, le <a href=\"\/tag\/l80\" target=\"_blank\"><strong><a href=\"\/tag\/l80-2\" target=\"_blank\"><strong>l80<\/strong><\/a><\/strong><\/a> Type 1 est une variante sp\u00e9cialis\u00e9e du <a href=\"\/tag\/grade\" target=\"_blank\"><strong>grade<\/strong><\/a> L80. Il subit des traitements thermiques suppl\u00e9mentaires pour am\u00e9liorer ses propri\u00e9t\u00e9s m\u00e9caniques, en particulier sa r\u00e9sistance \u00e0 la fissuration sous contrainte des sulfures. Cela rend le tubage L80 Type 1 plus adapt\u00e9 aux puits o\u00f9 le risque de fissuration sous contrainte de sulfure est un probl\u00e8me, comme dans les environnements de gaz corrosifs.<\/p>\n<p>L&#8217;une des principales diff\u00e9rences entre le L80 et le L80 Type 1 r\u00e9side dans leur composition chimique et leur traitement thermique. Le bo\u00eetier L80 Type 1 a des exigences plus strictes en mati\u00e8re de composition chimique et de <a href=\"\/tag\/process\" target=\"_blank\"><strong>process<\/strong><\/a>us de traitement thermique pour garantir des performances am\u00e9lior\u00e9es dans les environnements corrosifs. Ce traitement suppl\u00e9mentaire am\u00e9liore la r\u00e9sistance du tubage \u00e0 la fissuration induite par le sulfure d&#8217;hydrog\u00e8ne, qui est un probl\u00e8me courant dans les puits de gaz acide.<\/p>\n<p>En termes de r\u00e9sistance et de durabilit\u00e9, les L80 et L80 Type 1 offrent une r\u00e9sistance \u00e0 la traction et une t\u00e9nacit\u00e9 \u00e9lev\u00e9es, ce qui les rend adapt\u00e9s aux conditions de puits exigeantes. Cependant, la r\u00e9sistance am\u00e9lior\u00e9e \u00e0 la fissuration sous contrainte des sulfures du L80 Type 1 offre une couche de protection suppl\u00e9mentaire dans les environnements o\u00f9 ce type de corrosion est un probl\u00e8me important.<\/p>\n<p>Lors du choix entre le bo\u00eetier L80 et L80 Type 1, il est essentiel de prendre en compte les caract\u00e9ristiques sp\u00e9cifiques les conditions de fond et les facteurs environnementaux auxquels le tubage sera expos\u00e9. Des facteurs tels que la profondeur du puits, la pression, la temp\u00e9rature et la pr\u00e9sence de substances corrosives doivent tous \u00eatre pris en compte pour garantir des performances et une long\u00e9vit\u00e9 optimales du tubage.<\/p>\n<p>En conclusion, bien que le L80 et le L80 Type 1 soient tous deux des tubages de haute qualit\u00e9 nuances avec d&#8217;excellentes caract\u00e9ristiques de r\u00e9sistance et de durabilit\u00e9, la principale diff\u00e9rence r\u00e9side dans le traitement suppl\u00e9mentaire que le L80 Type 1 subit pour am\u00e9liorer sa r\u00e9sistance \u00e0 la fissuration sous contrainte par les sulfures. Comprendre ces distinctions est essentiel pour prendre des d\u00e9cisions \u00e9clair\u00e9es concernant la s\u00e9lection des mat\u00e9riaux de tubage dans la <a href=\"\/tag\/construction\" target=\"_blank\"><strong>Construction<\/strong><\/a> de puits de p\u00e9trole et de gaz.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"oil tube China good company,oil tube China high-quality factory,oil tube China high-grade company\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/C7b7fBYPP10?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p><a href=\"\/tag\/api-5ct\" target=\"_blank\"><strong><a href=\"\/tag\/api-5ct-2\" target=\"_blank\"><strong><a href=\"\/tag\/api-5c\" target=\"_blank\"><strong><strong>\u00a0API<\/strong> 5c<\/strong><\/a>t<\/strong><\/a><\/strong><\/a> <a href=\"\/tag\/c90\" target=\"_blank\"><strong>C90<\/strong><\/a> BO\u00ceTIER Meilleur fournisseur chinois<\/p>\n<h1 id=\"l80-l80-grade-casing-pipe-is-known-for-its-high-strength-and-durability-it-is-designed-to-withstand-high-pressure-and-harsh-environments-in-oil-and-gas-drilling-operations-the-l80-grade-offers-a-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Dun_autre_cote_le_L80_type_1_represente_un_sous-ensemble_specifique_au_sein_de_la_classification_des_grades_L80_Le_L80_type_1_se_distingue_par_sa_composition_chimique_et_ses_proprietes_mecaniques_uniques_qui_le_distinguent_des_autres_variantes_de_tubes_de_tubage_L80_Ce_type_est_soigneusement_formule_pour_repondre_aux_normes_industrielles_et_aux_exigences_de_performance_strictes_garantissant_des_performances_optimales_dans_les_applications_de_forage_exigeantes_Lune_des_principales_differences_entre_les_tubes_de_tubage_de_qualite_L80_et_le_type_1_L80_reside_dans_leurs_compositions_et_processus_de_fabrication_respectifs_Le_L80_type_1_subit_des_procedures_precises_dalliage_et_de_traitement_thermique_pour_obtenir_les_proprietes_mecaniques_souhaitees_telles_que_la_resistance_la_tenacite_et_la_resistance_a_la_corrosion_Ces_processus_sur_mesure_garantissent_que_le_L80_type_1_repond_aux_criteres_de_performance_stricts_attendus_dans_les_operations_de_forage_critiques\"><\/span>D\u2019un autre c\u00f4t\u00e9, le L80 type 1 repr\u00e9sente un sous-ensemble sp\u00e9cifique au sein de la classification des grades L80. Le L80 type 1 se distingue par sa composition chimique et ses propri\u00e9t\u00e9s m\u00e9caniques uniques, qui le distinguent des autres variantes de tubes de tubage L80. Ce type est soigneusement formul\u00e9 pour r\u00e9pondre aux normes industrielles et aux exigences de performance strictes, garantissant des performances optimales dans les applications de forage exigeantes.<\/p>\n<p>L&#8217;une des principales diff\u00e9rences entre les tubes de tubage de qualit\u00e9 L80 et le type 1 L80 r\u00e9side dans leurs compositions et processus de fabrication respectifs. Le L80 type 1 subit des proc\u00e9dures pr\u00e9cises d&#8217;alliage et de traitement thermique pour obtenir les propri\u00e9t\u00e9s m\u00e9caniques souhait\u00e9es, telles que la r\u00e9sistance, la t\u00e9nacit\u00e9 et la r\u00e9sistance \u00e0 la corrosion. Ces processus sur mesure garantissent que le L80 type 1 r\u00e9pond aux crit\u00e8res de performance stricts attendus dans les op\u00e9rations de forage critiques.<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nDe plus, la distinction entre les tubes de cuvelage de qualit\u00e9 L80 et les tubes de type L80 1 s&#8217;\u00e9tend \u00e0 leur aptitude \u00e0 l&#8217;application. Alors que les tubes de tubage de qualit\u00e9 L80 conviennent en g\u00e9n\u00e9ral \u00e0 un large \u00e9ventail de conditions de forage, le type 1 L80 est souvent pr\u00e9f\u00e9r\u00e9 pour les environnements sp\u00e9cifiques \u00e0 haute pression et haute temp\u00e9rature o\u00f9 des propri\u00e9t\u00e9s m\u00e9caniques sup\u00e9rieures sont essentielles. La conception cibl\u00e9e du L80 type 1 en fait un choix id\u00e9al pour les sc\u00e9narios de forage difficiles qui exigent des performances et une fiabilit\u00e9 exceptionnelles.<\/p>\n<p>En r\u00e9sum\u00e9, la diff\u00e9rence entre les tubes de tubage de qualit\u00e9 L80 et le L80 type 1 r\u00e9side dans leurs caract\u00e9ristiques, compositions et applications pr\u00e9vues uniques. . Alors que le tube de tubage de qualit\u00e9 L80 offre r\u00e9sistance et durabilit\u00e9 globales, le type 1 L80 repr\u00e9sente une variante sp\u00e9cialis\u00e9e optimis\u00e9e pour les op\u00e9rations de forage exigeantes. Comprendre ces distinctions est crucial pour s\u00e9lectionner les mat\u00e9riaux de tubage les plus appropri\u00e9s afin de garantir l&#8217;efficacit\u00e9, la s\u00e9curit\u00e9 et le succ\u00e8s des projets de forage p\u00e9trolier et gazier.<\/p>\n<p><a href=\"\/tag\/api-5ct-c90-casing-best-chinese-supplier\" target=\"_blank\"><strong>API 5CT C90 <a href=\"\/tag\/casing\" target=\"_blank\"><strong><a href=\"\/tag\/casing-2\" target=\"_blank\"><strong>Casing<\/strong><\/a><\/strong><\/a> <a href=\"\/tag\/best-chinese-supplier\" target=\"_blank\"><strong>Best <a href=\"\/tag\/chinese\" target=\"_blank\"><strong>chinese<\/strong><\/a> <a href=\"\/tag\/supplier\" target=\"_blank\"><strong>Supplier<\/strong><\/a><\/strong><\/a><\/strong><\/a><\/p>\n<p>On the other hand, L80 type 1 represents a specific subset within the L80 grade classification. L80 type 1 is distinguished by its unique chemical composition and mechanical properties, which set it apart from other variations of L80 <a href=\"\/tag\/casing-pipes\" target=\"_blank\"><strong><a href=\"\/tag\/casing-pipe\" target=\"_blank\"><strong><a href=\"\/tag\/casing-pipe-4\" target=\"_blank\"><strong>Casing <a href=\"\/tag\/pipe\" target=\"_blank\"><strong><a href=\"\/tag\/pipe-2\" target=\"_blank\"><strong>Pipe<\/strong><\/a><\/strong><\/a><\/strong><\/a><\/strong><\/a>s<\/strong><\/a>. This type is carefully formulated to meet stringent industry standards and performance requirements, ensuring optimal performance in demanding drilling applications.<\/p>\n<p>One key <a href=\"\/tag\/difference\" target=\"_blank\"><strong>Difference<\/strong><\/a> between L80 grade casing pipe and L80 type 1 lies in their respective compositions and manufacturing processes. L80 type 1 undergoes precise alloying and heat treatment procedures to achieve the desired mechanical properties, such as strength, toughness, and <a href=\"\/tag\/corrosion-resistance\" target=\"_blank\"><strong>Corrosion resistance<\/strong><\/a>. These tailored processes ensure that L80 type 1 meets the stringent performance criteria expected in critical <a href=\"\/tag\/drilling-operations\" target=\"_blank\"><strong>drilling operations<\/strong><\/a>.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.casingtube.com\/wp-content\/uploads\/2024\/07\/equipment.jpg\" alt=\"alt-7519\" class=\"wp-image-7519\" id=\"i7519\" \/><\/p>\n<p>\nMoreover, the distinction between L80 grade casing pipe and L80 type 1 extends to their application suitability. While L80 grade <a href=\"\/tag\/casing-pipe-2\" target=\"_blank\"><strong>casing pipe,<\/strong><\/a> in general, is well-suited for a wide range of drilling conditions, L80 type 1 is often preferred for specific <a href=\"\/tag\/high\" target=\"_blank\"><strong>high<\/strong><\/a>-pressure and high-temperature environments where superior mechanical properties are essential. The targeted design of L80 type 1 makes it an ideal choice for challenging drilling scenarios that demand exceptional performance and reliability.<\/p>\n<p>In summary, the difference between L80 grade casing pipe and L80 type 1 lies in their unique characteristics, compositions, and intended applications. While L80 grade casing pipe offers overall strength and durability, L80 type 1 represents a specialized variant optimized for demanding drilling operations. Understanding these distinctions is crucial for selecting the most appropriate casing <a href=\"\/tag\/material\" target=\"_blank\"><strong>Material<\/strong><\/a>s to ensure the efficiency, <a href=\"\/tag\/safety\" target=\"_blank\"><strong>safety<\/strong><\/a>, and success of <a href=\"\/tag\/oil-and-gas\" target=\"_blank\"><strong><a href=\"\/tag\/oil\" target=\"_blank\"><strong><a href=\"\/tag\/oil-4\" target=\"_blank\"><strong>Oil<\/strong><\/a><\/strong><\/a> and <a href=\"\/tag\/gas\" target=\"_blank\"><strong><a href=\"\/tag\/gas-4\" target=\"_blank\"><strong>Gas<\/strong><\/a><\/strong><\/a><\/strong><\/a> drilling projects.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>R\u00e9sistance et durabilit\u00e9\u00a0: D&#8217;un autre c\u00f4t\u00e9, le <a href=\"\/tag\/l80\" target=\"_blank\"><strong><a href=\"\/tag\/l80-2\" target=\"_blank\"><strong>l80<\/strong><\/a><\/strong><\/a> Type 1 est une variante sp\u00e9cialis\u00e9e du <a href=\"\/tag\/grade\" target=\"_blank\"><strong>grade<\/strong><\/a> L80. Il subit des traitements thermiques&#8230;<\/p>\n","protected":false},"author":1,"featured_media":18097,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[1],"tags":[230,774,2173,187,185,721,229,188,198,728,182,195,701,736,2198,184,179,201,180,222,748,1171],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"fr","enabled_languages":["en","zh","es","hi","ar","bn","pt","ms","de","id","ru","ja","fr","it","ko","tr","sw"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"zh":{"title":true,"content":true,"excerpt":false},"es":{"title":true,"content":true,"excerpt":false},"hi":{"title":true,"content":true,"excerpt":false},"ar":{"title":true,"content":true,"excerpt":false},"bn":{"title":true,"content":true,"excerpt":false},"pt":{"title":true,"content":true,"excerpt":false},"ms":{"title":true,"content":true,"excerpt":false},"de":{"title":true,"content":true,"excerpt":false},"id":{"title":true,"content":true,"excerpt":false},"ru":{"title":true,"content":true,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"fr":{"title":true,"content":true,"excerpt":false},"it":{"title":true,"content":true,"excerpt":false},"ko":{"title":true,"content":true,"excerpt":false},"tr":{"title":true,"content":true,"excerpt":false},"sw":{"title":true,"content":true,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/www.casingtube.com\/fr\/wp-json\/wp\/v2\/posts\/18096"}],"collection":[{"href":"https:\/\/www.casingtube.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.casingtube.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.casingtube.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.casingtube.com\/fr\/wp-json\/wp\/v2\/comments?post=18096"}],"version-history":[{"count":18,"href":"https:\/\/www.casingtube.com\/fr\/wp-json\/wp\/v2\/posts\/18096\/revisions"}],"predecessor-version":[{"id":19105,"href":"https:\/\/www.casingtube.com\/fr\/wp-json\/wp\/v2\/posts\/18096\/revisions\/19105"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.casingtube.com\/fr\/wp-json\/wp\/v2\/media\/18097"}],"wp:attachment":[{"href":"https:\/\/www.casingtube.com\/fr\/wp-json\/wp\/v2\/media?parent=18096"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.casingtube.com\/fr\/wp-json\/wp\/v2\/categories?post=18096"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.casingtube.com\/fr\/wp-json\/wp\/v2\/tags?post=18096"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}