Ground Engineering and Construction is an important phase of oil and gas field development process,during which there are lots of activities with high risks.Work permit system is a good method and practice to control risks during the management of engineering and construction activities.This paper analyzes the main risks during the process of ground engineering and construction through typical cases.It introduces work permit system and its procedures.The paper explicates the important role that work permit system plays in controlling risks during the process of ground engineering and construction.
Disadvantages of automatic control valve in protecting reflux of high speed pump is analyzed,and modification schemes are put forward based on the production status in order to eliminate the disadvantages,satisfy the reflux protection requirements of high speed pump in its operation,and create favorable conditions for the stable operation of the ethylene plant.
Based on the stress analysis of connection bolts for the central part of hydrogen compressor,the causes of bolt failure are pointed out,and the fatigue life of bolt is analyzed. The effect of various factors including pretightening force on fatigue life is discussed,and measures for prolonging the fatigue life of bolts are put forward.
Correct use and maintenance of gas bomb in laboratory is introduced to ensure the safety in its use.
The importance of security management in petrochemical enterprise is discussed, and the mode of security management is presented. Security early-warning,security administration,improving emergency ability, and safety education are the key links of safe production in petrochemical enterprises.
Lack of safety consciousness is the main reason for the frequency of accidents. The supervision system should be perfected for safety management, and a sound safety management system for production should be set up to actually carry out the safety management on production.
Based on the establishment and implementation actuality of HSE management system in Shengli Oil Field,it is advanced that 5 aspects should be taken into consideration for the promotion of HSEmanagement system at this stage.High standard,high quality,stringent requirement and strict examination should be followed in daily management.
Causes and modes of the failure of anticor-rosive coating on pipelines are introduced. Water and oxygen are the causes of failure. Corrosion degree depends on the water content and oxygen content. Timely inspection and repair of the anticorrosive coating will be very effective.
Causes of failure of stainless steel bolt in level gauge of propylene sphere in No.2 Polypropylene Unit are analyzed.Based on the properties of Mn-Cr stainless steel (Series 200) and its status in domestic market,risks of Mn-Cr stainless steel in chemical application are analyzed and countermeasures are put forward.
Start with the notion,action and evaluation processes,introduce the applicability and peculiarity of evaluation method as SCL,JHA,PHA,HAZOP, FTA.Analyses each stepwise main job of the project and applied risk evaluation method.Draw a conclusion,only according to physical circumstances and require,adopt different method,adopt qualitative and ration adjoint mode,we can make comprehensive evaluation toward the risk which item faced with.
Oil depot,an important place for oil transportation and storage,features in numerous tanks,large capacity,lots of production facilities and complicated process.These features result in high risks in the safety management of oil depot.This article analyzes in detail the causes of fire explosion accident in oil depot and advances corresponding preventive measures from four aspects.
Dow′s fire and explosion hazard index evaluation method is used in the safety evaluation for grassroot sulfur recovery unit in Guangzhou Petrochemical Company.The risk factors and remedial measures are quantified,and suggestions for improving unit reliability and safety management are put forward.
Along with the increasingly growing demand for crude oil in China, crude imports continuously increased. Heated transportation of some old pipelines is replaced by atmospheric temperature transportation. In summer,dew could be found on the surface of pipelines above ground. Effective protective measures are discussed against this new problem to improve the service life of pipelines.
Safety culture is a culture to protect human health,treasure human life and realize human value.It is the sum of the corporate outlook on safety value and its safety behavior guideline.The pipeline safety culture of SINOPEC is constructed on the basis of corporate culture with the participation of the entire personnel.It is an important measure to fundamentally improve the safety management level of the corporation.The implementation principle and content of safety culture and the efficiency of its implementation are also discussed.
The meaning,features and advantages of field bus technology are introduced, and field bus control system is compared with DCS system.Its typical application in the Heat Power Plant of Luoyang Petrochemical Company as well as its developing prospect is also presented.
Based on the necessity and feasibility ana-lysis of system integration,the practices of systematically planning,promoting and implementing integrated QHSE management system based on quality management system are introduced,and the methods and measures for establishing the system on each stage are also explained.
Each the petroleum pump station 35kV transformer substation of my corporation subordinate advances the thread cupboard to use keeping apart knife floodgate and the circuit breaker combination method mostly , and namely the isolation knife floodgate is installed the interlock device , prevents taking the load branch and closes the isolation knife floodgate . Each petroleum pump station closes into the thread circuit breaker during the operation , the time has the circuit breaker occurring to occupy together the appearance , the safety of serious influence all fronts is lost oil production , and this text passage analysis circuit breaker is occupyd the cause together , and has laid down the corresponding countermeasure , and has effectively solved this issue .
Screen protection against radiation overdose of radioactive level gauge in chemical plant and the relevant national standards are introduced.
Part of aniline unit,where fire explosion easily happens,is analyzed in detail. The main causes of fire explosion are found out,and effective preventive measures are put forward,which are of practical significance to the safe operation of aniline unit.
Based on the hazard analysis of excessive sulfide to the equipment,positive preventive measures are taken to timely and effectively mitigate the sulfur corrosion on sphere tanks,thus achieving a reliable and stable long-term operation of the liquid hydrocarbon sphere tanks.
