{"id":2453,"date":"2021-09-24T10:03:50","date_gmt":"2021-09-24T13:03:50","guid":{"rendered":"https:\/\/gtep.com.br\/?page_id=2453"},"modified":"2023-08-25T17:56:06","modified_gmt":"2023-08-25T20:56:06","slug":"wellbore-stability","status":"publish","type":"page","link":"https:\/\/gtep.com.br\/index.php\/wellbore-stability\/","title":{"rendered":"Wellbore Stability"},"content":{"rendered":"\t\t
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Wellbore Stability\u200b<\/h1>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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tools to obtain the operational window (pore\npressure, in-situ stress, collapse and fracture) in design\u200b<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Analytical simulation to analyze wellbore stability by estimating the proper mud weight window – considering fractures, collapses and pore pressure – choosing the best drilling direction and avoiding time-dependent issues in order to mitigate drilling risks.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Below is a short description of the key research areas. For further details or new researches, feel free to contact us<\/span><\/font><\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\n\t\t\t\t<\/defs><\/path><\/path><\/path><\/g><\/path><\/path><\/path><\/g><\/g><\/path><\/path><\/path><\/g><\/svg>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\t\t\t
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\n\t\t\t\t\t\n\t\t\t\t\t\tVertical Stress Magnitude\t\t\t\t\t<\/span>\n\t\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t

\n\t\t\t\t\t\tEstimation of overburden by integrating density <\/span>logs or pseudo-density from acoustic\/seismic data.<\/span>
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\n\t\t\t\t\t\n\t\t\t\t\t\tRock Strength\t\t\t\t\t<\/span>\n\t\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t

\n\t\t\t\t\t\tEstimation of mechanical properties such as unconfined compressive strength (UCS), Poisson Ratio, Young Modulus, etc. <\/span> \t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\tPore pressure generating mechanisms and prediction using trendlines methods (acoustic, resistivity or drilling data) or centroind\/buoyancy effects calculations, and also, reservoir estimations based on field history.<\/span>\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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\n\t\t\t\t\n\t\t\t\t\n\n\n\n \n \n \n \n \n \n <\/defs>\n \n \n \n \n \n \n \n \n <\/g>\n \n \n \n <\/g>\n \n \n \n \n \n \n <\/g>\n \n \n \n <\/g>\n \n \n \n <\/g>\n \n \n \n <\/g>\n \n \n \n <\/g>\n \n \n \n <\/g>\n \n \n \n <\/g>\n \n \n \n <\/g>\n <\/g>\n <\/g>\n<\/svg>\n\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\t\t\t
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\n\t\t\t\t\t\n\t\t\t\t\t\tMinimum Horizontal Stress\t\t\t\t\t<\/span>\n\t\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t

\n\t\t\t\t\t\tDetermination of the least principal stress from LOTs, <\/span>XLOT, Minifrac, etc., considering depletion, if necessary.<\/span><\/span>\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\n\t\t\t\t\n\n\n\n \n \n \n \n \n \n <\/defs>\n \n \n \n \n \n \n \n \n <\/g>\n \n \n \n <\/g>\n \n \n \n \n \n \n <\/g>\n \n \n \n <\/g>\n \n \n \n <\/g>\n \n \n \n <\/g>\n \n \n \n <\/g>\n \n \n \n <\/g>\n \n \n \n <\/g>\n \n \n \n <\/g>\n <\/g>\n <\/g>\n<\/svg>\n\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\t\t\t
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\n\t\t\t\t\t\n\t\t\t\t\t\tMaximum Horizontal Stress\t\t\t\t\t<\/span>\n\t\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t

\n\t\t\t\t\t\tAnalysis of wellbore failure (breakouts and induced <\/span>fractures) from image logs to estimate the magnitude of the maximum horizontal <\/span>stress or by using field data of ratio between stresses.<\/span>\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\n\t\t\t\t\t\tMud window\t\t\t\t\t<\/span>\n\t\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t

\n\t\t\t\t\t\tEstimate required mud weight based on pore pressure, overburden gradient and rock failure envelope.\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Our Customers<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Petrobras <\/span>has been funding this researsh as a cooperative term with PUC-Rio since 2010.<\/span>
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Would you like to start a project with us?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Feel free to contact us for any details of ongoing projects or new researches. Our group would be happy to share our expertise and contribute to your project.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\tContact us<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Wellbore Stability\u200b tools to obtain the operational window (pore pressure, in-situ stress, collapse and fracture) in design\u200b Analytical simulation to analyze wellbore stability by estimating the proper mud weight window – considering fractures, collapses and pore pressure – choosing the best drilling direction and avoiding time-dependent issues in order to mitigate drilling risks. Below is …<\/p>\n

Wellbore Stability<\/span> Leia mais \u00bb<\/a><\/p>\n","protected":false},"author":6,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","footnotes":""},"_links":{"self":[{"href":"https:\/\/gtep.com.br\/index.php\/wp-json\/wp\/v2\/pages\/2453"}],"collection":[{"href":"https:\/\/gtep.com.br\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/gtep.com.br\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/gtep.com.br\/index.php\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/gtep.com.br\/index.php\/wp-json\/wp\/v2\/comments?post=2453"}],"version-history":[{"count":73,"href":"https:\/\/gtep.com.br\/index.php\/wp-json\/wp\/v2\/pages\/2453\/revisions"}],"predecessor-version":[{"id":4117,"href":"https:\/\/gtep.com.br\/index.php\/wp-json\/wp\/v2\/pages\/2453\/revisions\/4117"}],"wp:attachment":[{"href":"https:\/\/gtep.com.br\/index.php\/wp-json\/wp\/v2\/media?parent=2453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}