The accidental release of hazardous energy is one of the causes of construction site accidents.This risk is considerably increased during petrochemical plant construction because the project itself is complex in terms...The accidental release of hazardous energy is one of the causes of construction site accidents.This risk is considerably increased during petrochemical plant construction because the project itself is complex in terms of process,equipment,and environment.In addition,a general construction safety barrier hardly isolates and controls site hazardous energy effectively.Thus,this study proposes an Internet of Things(IoT)sensor-based building information modeling(BIM)system,which can be regarded as a new smart barrier design method for hazardous energy in petrochemical construction.In this system,BIM is used to support the identification of on-site hazardous energy,whereas IoT is used to collect the location of on-site personnel in real time.A hazardous energy isolation rule is defined to enable the system to generate a smart barrier on the web terminal window,thereby ensuring the safety of on-site person.This system has been applied to a large-scale construction project in Sinopec for one year and accumulated substantial practical data,which supported the idea about the application of sensor and BIM technology in construction.The related effects of the system on hazardous energy management are also presented in this work.展开更多
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 disco...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.展开更多
基金supported in part by the National Natural Science Foundation of China(Grant No.71732001).
文摘The accidental release of hazardous energy is one of the causes of construction site accidents.This risk is considerably increased during petrochemical plant construction because the project itself is complex in terms of process,equipment,and environment.In addition,a general construction safety barrier hardly isolates and controls site hazardous energy effectively.Thus,this study proposes an Internet of Things(IoT)sensor-based building information modeling(BIM)system,which can be regarded as a new smart barrier design method for hazardous energy in petrochemical construction.In this system,BIM is used to support the identification of on-site hazardous energy,whereas IoT is used to collect the location of on-site personnel in real time.A hazardous energy isolation rule is defined to enable the system to generate a smart barrier on the web terminal window,thereby ensuring the safety of on-site person.This system has been applied to a large-scale construction project in Sinopec for one year and accumulated substantial practical data,which supported the idea about the application of sensor and BIM technology in construction.The related effects of the system on hazardous energy management are also presented in this work.
基金the support of Intelie Soucoes em Informáica LTDA
文摘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.
