Integrated risk management: a Petrobras application in offshore well construction safety to minimize critical emergency disconnections

Abstract In order to avoid mistakes and to save a great deal of time in analysis, an innovative methodology was developed that can analyze the well operations and rig characteristics involved to define the best emergency disconnect sequence (EDS) available. A solution was developed based on the char...

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Autores principales:	Claudio Benevenuto de Campos Lima, Pedro Esteves Aranha, Jose Francisco Tebaldi de Castro, Gilson Brito Alves Lima, Augusto Borella Hougaz, Felipe de Souza Terra
Formato:	article
Lenguaje:	EN
Publicado:	KeAi Communications Co., Ltd. 2018
Materias:	Well safety Safety barriers Emergency disconnect sequence (EDS) Well control Kick Well design Science Q Petrology QE420-499
Acceso en línea:	https://doaj.org/article/3b87de818fa941e9945fe811297eac11
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spelling	oai:doaj.org-article:3b87de818fa941e9945fe811297eac112021-12-02T04:27:03ZIntegrated risk management: a Petrobras application in offshore well construction safety to minimize critical emergency disconnections10.1007/s12182-018-0223-41672-51071995-8226https://doaj.org/article/3b87de818fa941e9945fe811297eac112018-03-01T00:00:00Zhttp://link.springer.com/article/10.1007/s12182-018-0223-4https://doaj.org/toc/1672-5107https://doaj.org/toc/1995-8226Abstract In order to avoid mistakes and to save a great deal of time in analysis, an innovative methodology was developed that can analyze the well operations and rig characteristics involved to define the best emergency disconnect sequence (EDS) available. A solution was developed based on the characteristics of the rigs and blowout preventers (BOPs), and six variables were considered that directly affect the choice of EDS. All possible combinations of 64 scenarios were analyzed, and the priority of choice of the EDS was defined empirically. This paper presents an approach to EDS risk management and examples of exposure time (time without riser safety margin and shear capability) for the same well, which can be lowered from 13% to 0.1%. The impact of this reduction is related to the ability of the BOP to cut some of the heavy casings, in addition to improved availability of EDS modes. This implementation opened up many possibilities for the performance of risk exposure analysis, enabling comparison of several BOP configurations of contracted rigs and selection of the best options. This innovative approach allowed a better management of the rig schedules, prioritizing safety aspects and making it possible to allocate the fleet in a systematic way.Claudio Benevenuto de Campos LimaPedro Esteves AranhaJose Francisco Tebaldi de CastroGilson Brito Alves LimaAugusto Borella HougazFelipe de Souza TerraKeAi Communications Co., Ltd.articleWell safetySafety barriersEmergency disconnect sequence (EDS)Well controlKickWell designScienceQPetrologyQE420-499ENPetroleum Science, Vol 15, Iss 2, Pp 421-431 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Well safety Safety barriers Emergency disconnect sequence (EDS) Well control Kick Well design Science Q Petrology QE420-499
spellingShingle	Well safety Safety barriers Emergency disconnect sequence (EDS) Well control Kick Well design Science Q Petrology QE420-499 Claudio Benevenuto de Campos Lima Pedro Esteves Aranha Jose Francisco Tebaldi de Castro Gilson Brito Alves Lima Augusto Borella Hougaz Felipe de Souza Terra Integrated risk management: a Petrobras application in offshore well construction safety to minimize critical emergency disconnections
description	Abstract In order to avoid mistakes and to save a great deal of time in analysis, an innovative methodology was developed that can analyze the well operations and rig characteristics involved to define the best emergency disconnect sequence (EDS) available. A solution was developed based on the characteristics of the rigs and blowout preventers (BOPs), and six variables were considered that directly affect the choice of EDS. All possible combinations of 64 scenarios were analyzed, and the priority of choice of the EDS was defined empirically. This paper presents an approach to EDS risk management and examples of exposure time (time without riser safety margin and shear capability) for the same well, which can be lowered from 13% to 0.1%. The impact of this reduction is related to the ability of the BOP to cut some of the heavy casings, in addition to improved availability of EDS modes. This implementation opened up many possibilities for the performance of risk exposure analysis, enabling comparison of several BOP configurations of contracted rigs and selection of the best options. This innovative approach allowed a better management of the rig schedules, prioritizing safety aspects and making it possible to allocate the fleet in a systematic way.
format	article
author	Claudio Benevenuto de Campos Lima Pedro Esteves Aranha Jose Francisco Tebaldi de Castro Gilson Brito Alves Lima Augusto Borella Hougaz Felipe de Souza Terra
author_facet	Claudio Benevenuto de Campos Lima Pedro Esteves Aranha Jose Francisco Tebaldi de Castro Gilson Brito Alves Lima Augusto Borella Hougaz Felipe de Souza Terra
author_sort	Claudio Benevenuto de Campos Lima
title	Integrated risk management: a Petrobras application in offshore well construction safety to minimize critical emergency disconnections
title_short	Integrated risk management: a Petrobras application in offshore well construction safety to minimize critical emergency disconnections
title_full	Integrated risk management: a Petrobras application in offshore well construction safety to minimize critical emergency disconnections
title_fullStr	Integrated risk management: a Petrobras application in offshore well construction safety to minimize critical emergency disconnections
title_full_unstemmed	Integrated risk management: a Petrobras application in offshore well construction safety to minimize critical emergency disconnections
title_sort	integrated risk management: a petrobras application in offshore well construction safety to minimize critical emergency disconnections
publisher	KeAi Communications Co., Ltd.
publishDate	2018
url	https://doaj.org/article/3b87de818fa941e9945fe811297eac11
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Integrated risk management: a Petrobras application in offshore well construction safety to minimize critical emergency disconnections

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