{"id":16796,"date":"2024-06-07T13:05:43","date_gmt":"2024-06-07T05:05:43","guid":{"rendered":"https:\/\/www.casingtube.com\/?p=16796"},"modified":"2024-06-11T14:31:43","modified_gmt":"2024-06-11T06:31:43","slug":"different-types-of-oil-casing-used-in-the","status":"publish","type":"post","link":"https:\/\/www.casingtube.com\/fr\/different-types-of-oil-casing-used-in-the\/","title":{"rendered":"Diff\u00e9rents types de carters d&#039;huile utilis\u00e9s dans le processus d&#039;extraction de p\u00e9trole"},"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\/different-types-of-oil-casing-used-in-the\/#Boitier_en_acier_un_composant_essentiel_dans_les_operations_dextraction_de_petrole\" title=\"Bo\u00eetier en acier\u00a0: un composant essentiel dans les op\u00e9rations d&#8217;extraction de p\u00e9trole\">Bo\u00eetier en acier\u00a0: un composant essentiel dans les op\u00e9rations d&#8217;extraction de p\u00e9trole<\/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\/different-types-of-oil-casing-used-in-the\/#Comprendre_le_role_du_tubage_thermoplastique_dans_la_Construction_de_puits_de_petrole\" title=\"Comprendre le r\u00f4le du tubage thermoplastique dans la Construction de puits de p\u00e9trole\">Comprendre le r\u00f4le du tubage thermoplastique dans la Construction de puits de p\u00e9trole<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"steel-casing-an-essential-component-in-oil-extraction-operations-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Boitier_en_acier_un_composant_essentiel_dans_les_operations_dextraction_de_petrole\"><\/span>Bo\u00eetier en acier\u00a0: un composant essentiel dans les op\u00e9rations d&#8217;extraction de p\u00e9trole<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nLe tubage p\u00e9trolier joue un r\u00f4le crucial dans le <a href=\"\/tag\/process\" target=\"_blank\"><strong>process<\/strong><\/a>us d&#8217;extraction du p\u00e9trole, fournissant un support structurel et prot\u00e9geant le puits de forage des forces externes et des contaminants. Parmi les diff\u00e9rents types de carters d\u2019huile utilis\u00e9s dans l\u2019industrie, le carter en acier se distingue comme un choix fiable et polyvalent. Le bo\u00eetier en acier est un composant essentiel dans les op\u00e9rations d&#8217;extraction de p\u00e9trole en raison de sa durabilit\u00e9, de sa solidit\u00e9 et de sa r\u00e9sistance \u00e0 la corrosion.<\/p>\n<p>Le bo\u00eetier en acier est g\u00e9n\u00e9ralement fabriqu\u00e9 \u00e0 partir d&#8217;acier au carbone ou alli\u00e9, connus pour leur haute r\u00e9sistance \u00e0 la traction et leur capacit\u00e9 \u00e0 r\u00e9sister \u00e0 des pressions et \u00e0 des pressions extr\u00eames. conditions de temp\u00e9rature. Cela rend le bo\u00eetier en acier particuli\u00e8rement bien adapt\u00e9 aux puits de p\u00e9trole profonds o\u00f9 l&#8217;environnement peut \u00eatre rude et exigeant. La nature robuste du tubage en acier garantit qu&#8217;il peut maintenir efficacement l&#8217;int\u00e9grit\u00e9 du puits de forage, \u00e9vitant ainsi l&#8217;effondrement ou les dommages pendant les activit\u00e9s de forage et de <a href=\"\/tag\/production\" target=\"_blank\"><strong>production<\/strong><\/a>.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.casingtube.com\/wp-content\/uploads\/2022\/03\/casing-pipe3.jpg\" alt=\"alt-632\" class=\"wp-image-632\" id=\"i632\" \/><\/p>\n<p>L&#8217;un des principaux avantages du bo\u00eetier en acier est sa r\u00e9sistance \u00e0 la corrosion. Le bo\u00eetier en acier est souvent soumis \u00e0 des \u00e9l\u00e9ments corrosifs pr\u00e9sents dans le r\u00e9servoir de p\u00e9trole, tels que le sulfure d&#8217;hydrog\u00e8ne et le dioxyde de carbone. Ces agents corrosifs peuvent d\u00e9<a href=\"\/tag\/grade\" target=\"_blank\"><strong>grade<\/strong><\/a>r des mat\u00e9riaux de moindre importance au fil du temps, entra\u00eenant des d\u00e9faillances structurelles et des fuites. Cependant, le tubage en acier est capable de r\u00e9sister \u00e0 l\u2019environnement corrosif, garantissant ainsi la long\u00e9vit\u00e9 et la fiabilit\u00e9 du puits.<\/p>\n<p>tubes en acier \u00e0 vendre<\/p>\n<p>En plus de sa solidit\u00e9 et de sa r\u00e9sistance \u00e0 la corrosion, le bo\u00eetier en acier est \u00e9galement tr\u00e8s polyvalent. Il peut \u00eatre facilement modifi\u00e9 et personnalis\u00e9 pour r\u00e9pondre aux exigences sp\u00e9cifiques des diff\u00e9rentes conditions de puits. Le tubage en acier peut \u00eatre fabriqu\u00e9 en diff\u00e9rentes tailles, qualit\u00e9s et sp\u00e9cifications pour s&#8217;adapter \u00e0 diff\u00e9rentes profondeurs, pressions et formations de puits. Cette flexibilit\u00e9 fait du tubage en acier un choix privil\u00e9gi\u00e9 pour une large gamme d&#8217;op\u00e9rations d&#8217;extraction de p\u00e9trole, des techniques de forage conventionnelles aux techniques de forage non conventionnelles.<\/p>\n<p>De plus, le tubage en acier constitue une barri\u00e8re efficace contre la migration des fluides et l&#8217;instabilit\u00e9 des puits de forage. En isolant le puits de forage des formations rocheuses et des fluides environnants, le tubage en acier aide \u00e0 maintenir le contr\u00f4le du puits et \u00e0 emp\u00eacher l&#8217;afflux ou la sortie de fluides. Ceci est essentiel pour garantir la s\u00e9curit\u00e9 et l\u2019efficacit\u00e9 des op\u00e9rations d\u2019extraction de p\u00e9trole, ainsi que pour prot\u00e9ger l\u2019environnement d\u2019une contamination potentielle.<\/p>\n<p>En outre, le tubage en acier joue un r\u00f4le crucial dans l\u2019ach\u00e8vement des puits et l\u2019optimisation de la production. Une fois le processus de forage termin\u00e9, le tubage en acier est ciment\u00e9 pour fournir un support suppl\u00e9mentaire et sceller le puits de forage. Cela aide \u00e0 emp\u00eacher les fluides ind\u00e9sirables de p\u00e9n\u00e9trer dans le puits et garantit une isolation zonale appropri\u00e9e pour une production et une gestion efficaces du r\u00e9servoir.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.casingtube.com\/wp-content\/uploads\/2022\/03\/api-5ct-oil-tubing02305368122.webp\"><\/p>\n<p>Dans l\u2019ensemble, le bo\u00eetier en acier est un composant indispensable dans le processus d\u2019extraction du p\u00e9trole, offrant l\u2019int\u00e9grit\u00e9 structurelle, la r\u00e9sistance \u00e0 la corrosion et la polyvalence n\u00e9cessaires pour prendre en charge des op\u00e9rations s\u00fbres et efficaces. Ses propri\u00e9t\u00e9s robustes en font un choix fiable pour r\u00e9sister aux conditions exigeantes des puits de p\u00e9trole, tandis que son adaptabilit\u00e9 permet une personnalisation pour s&#8217;adapter \u00e0 diverses configurations de puits. En conclusion, le caisson en acier s&#8217;impose comme un \u00e9l\u00e9ment fondamental dans le succ\u00e8s des op\u00e9rations d&#8217;extraction p\u00e9troli\u00e8re, contribuant \u00e0 la productivit\u00e9 globale et \u00e0 la durabilit\u00e9 de l&#8217;industrie.<\/p>\n<h1 id=\"understanding-the-role-of-thermoplastic-casing-in-oil-well-construction-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Comprendre_le_role_du_tubage_thermoplastique_dans_la_Construction_de_puits_de_petrole\"><\/span>Comprendre le r\u00f4le du tubage thermoplastique dans la <a href=\"\/tag\/construction\" target=\"_blank\"><strong>Construction<\/strong><\/a> de puits de p\u00e9trole<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\ntuyau de cuvelage, tuyau de puits de cuvelage, tuyau supr\u00eame de cuvelage, tuyau de cuvelage vs tuyau de support, cuvelage pour tuyau de climatisation, tuyau de cuvelage en acier, taille du tuyau de cuvelage, prix du tuyau de cuvelage en PVC, tuyau de cuvelage, fournisseurs de tuyaux de cuvelage en Chine, tuyau de recouvrement de cuvelage, foret de cuvelage tuyau, tuyau de support, taille du tuyau de bo\u00eetier, bride de bague, manchon de bague, bague, bras de bague, roulement de bague, r\u00e9ducteur de bague, outil de bague, bague en PVC, signification de la bague<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"K55 API 5CT Casing,K55 API 5CT Tubing,made in China,API 5CT Coupling Casing and Tubing\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/baEvl6cvj0c?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<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"casing pipe Wholesale-Price High-Quality good Chinese,oil tube factory,casing pipe best factory,\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/TlRZsUGfn2c?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>Thermoplastic <a href=\"\/tag\/casing\" target=\"_blank\"><strong><a href=\"\/tag\/casing-2\" target=\"_blank\"><strong>Casing<\/strong><\/a><\/strong><\/a> is a type of <a href=\"\/tag\/oil-casing\" target=\"_blank\"><strong><a href=\"\/tag\/oil-casing-2\" target=\"_blank\"><strong><a href=\"\/tag\/oil\" target=\"_blank\"><strong><a href=\"\/tag\/oil-4\" target=\"_blank\"><strong>Oil<\/strong><\/a><\/strong><\/a> Casing<\/strong><\/a><\/strong><\/a> made from polymers that can be melted and reshaped multiple times. This flexibility allows for easier installation and reduces the need for welding, which is often required with <a href=\"\/tag\/steel-casing\" target=\"_blank\"><strong><a href=\"\/tag\/steel-casing-2\" target=\"_blank\"><strong><a href=\"\/tag\/steel\" target=\"_blank\"><strong>Steel<\/strong><\/a> casing<\/strong><\/a><\/strong><\/a>. In addition, thermoplastic casing is light<a href=\"\/tag\/weight\" target=\"_blank\"><strong>Weight<\/strong><\/a>, making it easier to transport and handle during the construction of <a href=\"\/tag\/oil-well\" target=\"_blank\"><strong><a href=\"\/tag\/oil-well-2\" target=\"_blank\"><strong>Oil Well<\/strong><\/a><\/strong><\/a>s. This characteristic also helps in reducing the overall cost of the project, as less equipment and manpower are needed for installation.<\/p>\n<p>Moreover, thermoplastic casing offers excellent <a href=\"\/tag\/corrosion-resistance\" target=\"_blank\"><strong>Corrosion resistance<\/strong><\/a>, which is a common issue with traditional steel casing. Corrosion can weaken the casing over time, leading to leaks and other structural problems in the well. By using thermoplastic casing, operators can mitigate the risk of corrosion, resulting in longer-lasting and more reliable oil wells.<\/p>\n<p>Another key advantage of thermoplastic casing is its superior thermal insulation properties. Oil extraction involves <a href=\"\/tag\/high\" target=\"_blank\"><strong>high<\/strong><\/a> temperatures and pressure conditions, which can affect the integrity of the casing. Thermoplastic <a href=\"\/tag\/material\" target=\"_blank\"><strong>Material<\/strong><\/a>s are better at withstanding these extreme conditions, providing better protection for the well and prolonging its operational lifespan.<\/p>\n<p>Furthermore, thermoplastic casing is more environmentally friendly compared to steel casing. The production process of steel casing involves significant energy consumption and emissions, while thermoplastic casing is manufactured using more sustainable methods. Additionally, thermoplastic materials are recyclable, further reducing the environmental impact of <a href=\"\/tag\/oil-well-construction\" target=\"_blank\"><strong>oil well construction<\/strong><\/a> and operation.<\/p>\n<p>In terms of performance, thermoplastic casing has been proven to be as effective as steel casing in maintaining <a href=\"\/tag\/well-integrity\" target=\"_blank\"><strong>well integrity<\/strong><\/a> and ensuring the efficient extraction of oil. It is resistant to chemical degradation and can withstand the pressures and stresses experienced during oil production. This reliability makes thermoplastic casing a viable option for operators looking to improve the longevity and efficiency of their oil wells.<\/p>\n<p>Despite these benefits, it is essential to consider the specific requirements of each oil extraction project when choosing between thermoplastic and steel casing. Factors such as well depth, reservoir characteristics, and environmental conditions can influence the suitability of thermoplastic casing for a particular application. Consulting with industry experts and conducting thorough assessments can help operators make informed decisions regarding the type of casing to use in their oil wells.<\/p>\n<p>In conclusion, thermoplastic casing is a valuable <a href=\"\/tag\/innovation\" target=\"_blank\"><strong>innovation<\/strong><\/a> in the oil extraction industry, offering numerous advantages over traditional steel casing. Its flexibility, corrosion resistance, thermal insulation properties, environmental sustainability, and performance make it a compelling choice for operators looking to enhance the efficiency and longevity of their oil wells. By understanding the role of thermoplastic <a href=\"\/tag\/casing-in-oil-well\" target=\"_blank\"><strong>casing in oil well<\/strong><\/a> construction, operators can make informed decisions that benefit both their operations and the environment.<\/p>\n<p><a href=\"\/tag\/casing-pipe-2\" 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>,<\/strong><\/a><a href=\"\/tag\/casing-well-pipe\" target=\"_blank\"><strong>casing well pipe,<\/strong><\/a> <a href=\"\/tag\/casing-supreme-pipe\" target=\"_blank\"><strong>casing supreme pipe,<\/strong><\/a> <a href=\"\/tag\/casing-vs-carrier-pipe\" target=\"_blank\"><strong>casing vs <a href=\"\/tag\/carrier-pipe\" target=\"_blank\"><strong>carrier pipe<\/strong><\/a>,<\/strong><\/a> <a href=\"\/tag\/casing-for-ac-pipe\" target=\"_blank\"><strong>casing for ac pipe,<\/strong><\/a> <a href=\"\/tag\/casing-steel-pipe\" target=\"_blank\"><strong>casing <a href=\"\/tag\/steel-pipe\" target=\"_blank\"><strong>Steel Pipe<\/strong><\/a>,<\/strong><\/a> <a href=\"\/tag\/casing-pipe-size\" target=\"_blank\"><strong>casing pipe size,<\/strong><\/a> casing pvc pipe <a href=\"\/tag\/price\" target=\"_blank\"><strong><a href=\"\/tag\/price-2\" target=\"_blank\"><strong>Price<\/strong><\/a><\/strong><\/a>, casing pipe, <a href=\"\/tag\/casing-pipe-suppliers\" target=\"_blank\"><strong><a href=\"\/tag\/casing-pipe-suppliers-2\" target=\"_blank\"><strong><a href=\"\/tag\/casing-pipe-supplier\" target=\"_blank\"><strong>casing pipe <a href=\"\/tag\/supplier\" target=\"_blank\"><strong>Supplier<\/strong><\/a><\/strong><\/a>s<\/strong><\/a><\/strong><\/a> in <a href=\"\/tag\/china\" target=\"_blank\"><strong>china<\/strong><\/a>, casing capping pipe, <a href=\"\/tag\/casing-drill-pipe\" target=\"_blank\"><strong><a href=\"\/tag\/casing-drill\" target=\"_blank\"><strong>casing drill<\/strong><\/a> pipe,<\/strong><\/a>carrier pipe,casing pipe size,bushing flange,bushing <a href=\"\/tag\/sleeve\" target=\"_blank\"><strong>Sleeve<\/strong><\/a>,<a href=\"\/tag\/bushing\" target=\"_blank\"><strong>bushing,<\/strong><\/a><a href=\"\/tag\/bushing-arm\" target=\"_blank\"><strong>bushing arm,<\/strong><\/a><a href=\"\/tag\/bushing-bearing\" target=\"_blank\"><strong>bushing bearing,<\/strong><\/a><a href=\"\/tag\/bushing-reducer\" target=\"_blank\"><strong>bushing reducer,<\/strong><\/a><a href=\"\/tag\/bushing-tool\" target=\"_blank\"><strong>bushing tool,<\/strong><\/a>bushing pvc,bushing meaning<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bo\u00eetier en acier\u00a0: un composant essentiel dans les op\u00e9rations d&#8217;extraction de p\u00e9trole Le tubage p\u00e9trolier joue un r\u00f4le crucial dans le <a href=\"\/tag\/process\" target=\"_blank\"><strong>process<\/strong><\/a>us&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1354,"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":[349,774,187,190,721,1235,195,228,736,219,184,179,196,181,180,222,746,748,221,334,212,226],"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\/16796"}],"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=16796"}],"version-history":[{"count":18,"href":"https:\/\/www.casingtube.com\/fr\/wp-json\/wp\/v2\/posts\/16796\/revisions"}],"predecessor-version":[{"id":16856,"href":"https:\/\/www.casingtube.com\/fr\/wp-json\/wp\/v2\/posts\/16796\/revisions\/16856"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.casingtube.com\/fr\/wp-json\/wp\/v2\/media\/1354"}],"wp:attachment":[{"href":"https:\/\/www.casingtube.com\/fr\/wp-json\/wp\/v2\/media?parent=16796"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.casingtube.com\/fr\/wp-json\/wp\/v2\/categories?post=16796"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.casingtube.com\/fr\/wp-json\/wp\/v2\/tags?post=16796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}