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Sustained and Steady Development Maintainedfor Production and Operation in Changqing
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《China Oil & Gas》 CAS 1999年第4期231-231,共1页
Sincethebeginningoftheyear.ChangqingPetroleumExplorationBureauhasestablishedaclearworkstrategyandformulatedthedevelopmentplan.Efficientmanagementhasbeenrealized.Asaresult,goodeconomiced'iciencyhasbeenachievedandas... Sincethebeginningoftheyear.ChangqingPetroleumExplorationBureauhasestablishedaclearworkstrategyandformulatedthedevelopmentplan.Efficientmanagementhasbeenrealized.Asaresult,goodeconomiced'iciencyhasbeenachievedandasustainedandsteadygrowthmomentumhasbee... 展开更多
关键词 Sustained and steady Development Maintainedfor production and Operation in Changqing
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A prediction method of natural gas hydrate formation in deepwater gas well and its application 被引量:5
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作者 Yanli Guo Baojiang Sun +1 位作者 Keke Zhao Hongkun Zhang 《Petroleum》 2016年第3期296-300,共5页
To prevent the deposition of natural gas hydrate in deepwater gas well,the hydrate formation area in wellbore must be predicted.Herein,by comparing four prediction methods of temperature in pipe with field data and co... To prevent the deposition of natural gas hydrate in deepwater gas well,the hydrate formation area in wellbore must be predicted.Herein,by comparing four prediction methods of temperature in pipe with field data and comparing five prediction methods of hydrate formation with experiment data,a method based on OLGA&PVTsim for predicting the hydrate formation area in wellbore was proposed.Meanwhile,The hydrate formation under the conditions of steady production,throttling and shut-in was predicted by using this method based on a well data in the South China Sea.The results indicate that the hydrate formation area decreases with the increase of gas production,inhibitor concentrations and the thickness of insulation materials and increases with the increase of thermal conductivity of insulation materials and shutdown time.Throttling effect causes a plunge in temperature and pressure in wellbore,thus leading to an increase of hydrate formation area. 展开更多
关键词 Deepwater gas well Hydrate prediction steady production Downhole throttling Well shut-in
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