气田废弃油基钻井泥浆处理及循环利用技术研究  

Research on the treatment and recycling technology of waste oil-based drilling mud in gas fields

作　　者：张文柯 高树生 吴赵平 张乐 屈撑囤[3,4] 鱼涛 马岚婷 ZHANG Wenke;GAO Shusheng;WU Zhaoping;ZHANG Le;QU Chengtun;YU Tao;MA Lanting(Shaanxi Yanchang Petroleum(Group)Co.,Ltd.(Yanchang Oilfield Management Bureau)Oil and Gas Exploration Company,Yan’an 716000,China;School of Energy and Architecture,Xi’an Aviation University,Xi’an 710077,China;College of Chemistry and Chemical Engineering,Xi’an Shiyou University,Xi’an 710065,China;Key Laboratory of Environmental Pollution Control Technology and Reservoir Protection for Oil and Gas Fields in Shaanxi Province,Xi’an 710065,China)

机构地区：[1]陕西延长石油(集团)有限责任公司(延长油矿管理局)油气勘探公司,陕西延安716000 [2]西安航空学院能源与建筑学院,陕西西安710077 [3]西安石油大学化学化工学院,陕西西安710065 [4]陕西省油气田环境污染控制技术与储层保护重点实验室,陕西西安710065

出　　处：《应用化工》2024年第7期1597-1601,共5页Applied Chemical Industry

基　　金：国家自然科学基金(42207426)。

摘　　要：对延长气田钻井过程产生的废弃泥浆进行固液分离、油/水循环利用、底泥的固化等处理。研究表明,废泥浆固液分离后,减量化率达82.11%,油回收率和回收油中的含水率分别为94.50%,0.43%;分离出水经过化学氧化—絮凝—过滤处理后,透光率可达98.5%以上,可用于油田工作液的再配制;底泥中的含油率为4.56%,经固化处理后,抗压强度可达15.977 MPa,可用于油气田现场铺设井场或道路,固化体浸出液满足《污水综合排放标准》中的水质要求。The waste gas mud generated during the drilling process of the Yanchang gas field is treated with solid-liquid separation,oil/water recycling,and solidification of bottom mud.Research shows that after solid-liquid separation of waste mud,the reduction rate reaches 82.11%,and the oil recovery rate and water content in the recovered oil are 94.50%and 0.43%,respectively;after chemical oxidation flocculation filtration treatment,the separated effluent has a light transmittance of over 98.5%and can be used for the repreparation of oilfield working fluids;the oil content in the sediment is 4.56%,and after solidification treatment,the compressive strength can reach 15.977 MPa.It can be used for laying well pads or roads in oil and gas fields,and the leachate from the solidified form meets the water quality requirements of the“Comprehensive Wastewater Discharge Standard”.

关 键 词：破乳剂 脱水 透光率 固化处理 

分 类 号：TQ031.5[化学工程] TQ027TQ028.5