海上油井清防蜡技术分析  

Analysis of paraffin removal and control techniques in offshore oil wells

作　　者：张贵清 刘小攀 李伦 徐鸿志 郝志伟 ZHANG Guiqing;LIU Xiaopan;LI Lun;XU Hongzhi;HAO Zhiwei(CNPC Engineering Technology Research Co.,Ltd.,Tianjin 300451,China;Key Laboratory of Offshore Engineering of CNPC,Tianjin 300451,China)

机构地区：[1]中国石油集团工程技术研究有限公司,天津300451 [2]中国石油集团海洋工程重点实验室,天津300451

出　　处：《石油工程建设》2020年第6期1-4,44,共5页Petroleum Engineering Construction

摘　　要：海上油田采油受平台空间、开采周期和开发成本限制,一些在陆上油田应用效果较好的清防蜡技术并不适用于海上油田。为了给海上油田清防蜡方案制定和技术优选提供参考,通过对油井结蜡机理、结蜡过程和结蜡影响因素进行分析,结合清防蜡技术在海上油田的应用情况,对海上主要清防蜡技术的原理和适用性进行分析,指出海上油田应以延长清蜡周期、降低工作强度、提高经济效益为目的,遵循“以防为主、清防结合”的原则,组合运用各种清防蜡工艺开展清防蜡作业,从而达到提高清防蜡措施作业效率和保障海上油田正常生产的目的。Oil production in offshore oilfield is limited by platform space:production cycle and development cost.Some paraffin removal and prevention techniques which have good application effect in onshore oilfield are not suitable for offshore oilfield.In order to provide a reference for the formulation of paraffin removal and prevention scheme and technical optimization in offshore oilfield:through the analysis of paraffin deposition mechanism:deposition process and influencing factors:combined with the application of paraffin removal and prevention techniques in offshore oilfield:the principle and applicability of main offshore paraffin removal and prevention techniques are analyzed.It is pointed out that the paraffin removal and prevention work in offshore oilfields should follow the principle of"prevention first:prevention and removal combined":with the purpose of prolonging the paraffin removal cycle:reducing the work intensity and improving the economic benefits:combining various paraffin removal and prevention processes to improve the operation efficiency of paraffin removal and control measures,and ensure the normal production of offshore oilfields.

关 键 词：海上油田 清蜡技术 防蜡技术 采油工艺 

分 类 号：TE53[石油与天然气工程—油气田开发工程]