低渗透油田注水动态裂缝类型识别及治理对策研究  

Research on Types Identification and Treatment Measures of water-injection dynamic fractures in low permeability reservoirs

作　　者：王宁 白景升 李彦飞[2] 宋元威 余若愚 刘柯 WANG Ning;BAI Jing sheng;LI Yan fei;SONG Yuan wei;YU Ruo yu;LIU Ke(Research Institute of Shaanxi Yanchang Petroleum Co.Ltd,Xi’an,Shaanxi 710075 China;Dingbian Oil Production Plant,Yanchang Oilfield Co.,Ltd.Yan’an,Shaanxi 718600 China)

机构地区：[1]陕西延长石油(集团)有限责任公司研究院,陕西西安710075 [2]延长油田股份有限公司定边采油厂,陕西延安718600

出　　处：《内蒙古石油化工》2023年第12期109-112,共4页Inner Mongolia Petrochemical Industry

摘　　要：在低渗透油田注水开发中,由于高压注水和持续注水造成新的裂缝开启吸水,使油井快速形成方向性水淹。通过注水井吸水曲线、注采响应曲线、压降曲线、示踪剂等资料的综合分析,总结了注水动态裂缝形成的系统认识,为后期开发调整提供依据。依据不同的油井见水类型提出相应的治理建议,通过优化注水参数、调驱堵水体系优选、井网调整等治理方式,来提高注水波及体积,改善注水开发效果。During waterflood development of low-permeability oilfields,new fractures open and absorb water due to high pressure water-flooding and continuous water flooding,which leads to directional flooding of oil well.Through comprehensive analysis of water injection curve,injection-production response curve,pressure drop curve and tracer measurement data,the systematic understanding of dynamic fracture formation of water injection is summarized,which provides basis for later development and adjustment.According to different water-flooding types of wells,corresponding treatment suggestions are put forward to increase the swept volume of waterflood and improve the effect of waterflood development by optimizing water injection parameters,optimizing profile-control system and adjusting well pattern.

关 键 词：低渗透油田 裂缝识别 动态及测试分析 注水压力优化 调驱体系优选 井网调整 

分 类 号：TE357.6[石油与天然气工程—油气田开发工程]