为了满足各油田用户对连续管钻井、压裂及深井、超深井开发的需求,突破国外对高强度连续管制造技术的垄断,国家石油天然气管材工程技术研究中心成功研制出首盘国产规格为Φ50.8 mm×4.44 mm CT100钢级高强度连续管。通过国家石油管...为了满足各油田用户对连续管钻井、压裂及深井、超深井开发的需求,突破国外对高强度连续管制造技术的垄断,国家石油天然气管材工程技术研究中心成功研制出首盘国产规格为Φ50.8 mm×4.44 mm CT100钢级高强度连续管。通过国家石油管材质量监督检测中心的第三方检测,其各项理化性能合格,满足API SPEC 5ST标准要求。国产CT100连续管可承受高载荷,适合深井、超深井作业,尤其在页岩气开发中进行多段压裂、钻磨桥塞等作业具有显著优势。展开更多
A new type of reactor,featured with impinging stream-rotating packed bed（IS-RPB）and coil pipes,was designed and used to prepare p-hydroxybenzaldehyde（PHB）by hydrolysis from diazonium salts.The influence of operati...A new type of reactor,featured with impinging stream-rotating packed bed（IS-RPB）and coil pipes,was designed and used to prepare p-hydroxybenzaldehyde（PHB）by hydrolysis from diazonium salts.The influence of operating parameters,such as reaction temperature,reaction time and high gravity factor,on the yield of PHB was investigated.Compared with the traditional kettle-type reactor,the yield of PHB with the new reactor is increased significantly and the reaction time is much shorter.Under the optimum conditions,the yield of PHB is increased from 51%to 84.1%.The reactor offers an opportunity for replacing the traditional batch mode operation with a continuous process.展开更多
基金Supported by the Science and Technology Key Projects of Shanxi Province(20090321113)
文摘A new type of reactor,featured with impinging stream-rotating packed bed（IS-RPB）and coil pipes,was designed and used to prepare p-hydroxybenzaldehyde（PHB）by hydrolysis from diazonium salts.The influence of operating parameters,such as reaction temperature,reaction time and high gravity factor,on the yield of PHB was investigated.Compared with the traditional kettle-type reactor,the yield of PHB with the new reactor is increased significantly and the reaction time is much shorter.Under the optimum conditions,the yield of PHB is increased from 51%to 84.1%.The reactor offers an opportunity for replacing the traditional batch mode operation with a continuous process.
