The Prospects of Applying Shape Memory Polymer in Petroleum Engineering
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摘要: 形状记忆聚合物（SMP）是国内外广泛关注的新材料之一，近几年开始开展在石油工程中的应用研究。在分析形状记忆聚合物记忆效应机理和在石油工程中应用优势的基础上，介绍了国外形状记忆聚合物在石油工程中的研究与应用现状，提出了其在智能堵漏钻井液、可膨胀水泥、智能膨胀支撑剂、重复压裂转向剂和防砂筛管中的应用前景，指出了在石油工程中应用的关键技术，包括形状记忆物理机理、特定结构设计、井下力学演变规律及预测和形状记忆聚合物体系性能参数优化。建议围绕以上关键技术涉及的基础理论、工艺技术进行研究，通过现场试验，尽快将形状记忆聚合物应用于石油工程，以提高油气勘探开发效益，降低作业成本。Abstract: Shape memory polymer is one of the most highly recognized new materials in the world.In recent years,the research and experimental application of such materials have been implemented in petroleum engineering.This paper explains the memory effect mechanism of such polymers and its advantages in petroleum engineering.It also analyzes its application in foreign petroleum engineering,and proposes potential applications in smart plugging drilling fluids,swellable cement,intelligent expandable proppant,re-fracturing diverting agents and sand control screens liner.In addition,it describes the related key technologies in petroleum engineering including physical mechanism of shape memory,specific structural design,evolution law and prediction of downhole mechanics,and parameters optimization of the shape memory polymer system.A study of the basic theories and technologies based on those key technologies mentioned above is recommended. Further,we are recommending incorporating such polymers into petroleum engineering applications as soon as possible through field tests to improve the benefits of oil and gas exploration and development and to reduce the cost of operations.
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