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当前位置: 首页 > 文章 > 寿阳区块煤层气井地层水配伍性及对煤层损害研究 长江大学学报(自科版)农学卷 2017 (21) 24-26+35+3-4
Position: Home > Articles > Research on Formation Water Compatibility of CBM Well and Damage to CM in Shouyang Block Journal of Yangtze University(Natural Science Edition)Agricultural Science Volumn 2017 (21) 24-26+35+3-4

寿阳区块煤层气井地层水配伍性及对煤层损害研究

作  者：
甘秀玉;刘书杰;张滨海;黄晓霞;岳前升
单  位：
中海油研究总院钻采研究院;长江大学化学与环境工程学院
关键词：
煤层气;地层水;配伍性;结垢;煤层保护
摘  要：
在煤层气储层损害研究中,往往忽视了煤层产出水(地层水)与地表水之间因不配伍产生的损害。分析了山西煤层气寿阳区块产出水和地表水的化学成分,利用饱和指数法、静态结垢和动态结垢法评价了煤层产出水和地表水之间的配伍性。结果表明,煤层产出水属NaHCO3水型,地表水属Na2SO4水型,两者混合不配伍,有结垢现象发生。地层水与地表水之间因不配伍产生的结垢对煤层造成的损害不容忽视,可以通过优选适宜的防垢剂来解除这种损害。
译  名：
Research on Formation Water Compatibility of CBM Well and Damage to CM in Shouyang Block
作  者：
Gan Xiuyu;Liu Shujie;Zhang Binhai;Huang Xiaoxia;Yue Qiansheng;Yangtze University;CNOOC Research Institute;
单  位：
CNOOC Research Institute
关键词：
CBM;;formation water;;compatibility;;scaling;;coal reservoir protection
摘  要：
The damage caused by incompatibility between produced water from coal and surface water is often neglected in the research of coal reservoir damage factors.The chemical composition of produced water from coal and surface water in Shouyang Area of Shanxi Province is analyzed.And the compatibility between produced water and surface water is evaluated bysaturation index method,static scaling method and dynamic scaling method.The results show that coal bed produced water belongs to NaHCO_3 water and surface water belongs to Na_2SO_4 water,both are incompatible and there is scaling phenomenon.The damage caused by incompatibility between formation water and surface water cannot be neglected,and the damage can be relieved by choosing an appropriate scale inhibitor.

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