油田开发后期井间砂体识别  

Cross-well sand-body identification in the oilfield development late stage

作　　者：徐立恒[1] 马耀军 朱遂珲 王增存[5] 李正喜 梁宇 XU Liheng;MA Yaojun;ZHU Suihui;WANG Zengcun;LI Zhengxi;LIANG Yu(Research Institute of Exploration and Development,Daqing Oilfield Company, PetroChina, Daqing, Heilongjiang 163712, China;Oil Production Plant 5, Qinghai Oilfield Company,PetroChina, Delingha, Qinghai 816400, China;School of Geosciences and Technology, Southwest Petroleum University, Chengdu, Sichuan 610500, China;Northwest Sichuan Gas Field, Southwest Oil and Gas Field Company, PetroChina, Mianyang, Sichuan 621700, China;Laojunmiao Production Plant, Yumen Oilfield Company,PetroChina, Jiuquan, Ganvsu 735019, China)

机构地区：[1]中国石油大庆油田勘探开发研究院,黑龙江大庆163712 [2]中国石油青海油田公司采油五厂,青海德令哈816400 [3]西南石油大学地球科学与技术学院,四川成都610500 [4]中国石油西南油气田分公司川西北气矿,四川绵阳621700 [5]中国石油玉门油田分公司老君庙采油厂,甘肃酒泉735019

出　　处：《石油地球物理勘探》2019年第2期390-397,I0009,共9页Oil Geophysical Prospecting

基　　金：国家科技重大专项"大庆长垣特高含水油田提高采收率示范工程"(2016ZX05054)资助

摘　　要：大庆长垣油田历经五十多年的勘探与开发,目前处于高密井网、细分单层开采阶段。为了确定砂体的连通关系和井间窄小河道的边界位置,在高密度三维地震资料和开发井信息基础上,综合钻井的纵向信息和地震横向高密度信息的优势,采用井震结合反演技术建立砂体预测模型。通过地质统计学反演,识别了复合砂体单一河道边界及井间窄小河道砂体。该方法适用于类似油田开发后期井间砂体的识别。After more than 50 years of the exploration and development,Daqing Changyuan Oilfield is now in the stage of dense well pattern and single-bed production.The development geological task is to identify the connectivity of sand bodies and the narrow channel boundary between wells.Based on high-density 3D seismic data and well development information,a sand body prediction model for typical Changyuan Block is established with integrated well-seismic data inversion.Single-channel boundary of composite sands and narrow channel sandbodies between wells are identified by the geologic statistics inversion.It is concluded that the integrated well-seismic data inversion synthesizes the advantages of vertical and lateral high density information,and it is suitable for cross-well sand body identification in the oilfield development late stage.

关 键 词：大庆长垣油田 密井网 井震结合反演 井间砂体 开发后期 

分 类 号：P631[天文地球—地质矿产勘探]